{"title":"Peterbilt 579 Cabin Fairings","description":"","products":[{"product_id":"cabin-upper-sleeper-fairing-extender-driver-2013-2021-peterbilt-579","title":"Cabin Upper Sleeper Fairing Extender Driver 2013-2021 Peterbilt 579","description":"\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/0.jpg?v=1774978499\"\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eCab Cabin Upper Side Sleeper Fairing Extender\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Peterbilt 579 2013-2021 Semi Trucks\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLeft Driver Side\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eMade from durable materials designed to withstand the rigors of the road and protect against environmental elements.\u003c\/li\u003e\n\u003cli\u003eDesigned for straightforward setup, allowing truck owners to efficiently upgrade their vehicle without needing professional help\u003c\/li\u003e\n\u003cli\u003eComes with Logo, License Plate Frame, 2x 22\" Windshield Wipers, and Reflective Vest\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Please make sure to provide your full and detailed shipping address information! Contact us if you want to pick up the item or if you want to know more about delivery options in Washington.\u003c\/p\u003e\n\u003cp\u003eKeep your Peterbilt 579 looking sharp and aerodynamically efficient with this Cabin Upper Sleeper Fairing Extender for the driver side. Designed specifically for 2013-2021 Peterbilt 579 semi trucks, this direct-fit replacement fairing extender restores the clean, factory-style appearance of your cab while helping reduce wind drag on the road. Whether you're a long-haul owner-operator, a fleet manager keeping a tight maintenance schedule, or a body shop handling a collision repair job, this is the part you need to get the job done right.\u003c\/p\u003e\n\n\u003cp\u003eThis upper sleeper fairing extender is built from durable, impact-resistant materials engineered to handle the daily punishment of highway miles, extreme temperatures, and harsh weather conditions. The left driver side fitment is precision-matched to the Peterbilt 579 cab profile, ensuring a seamless, OEM-style installation that looks like it came straight from the factory. The finish is smooth and paint-ready, making it easy for body shops to match any fleet color with minimal prep work. As a bonus, this fairing extender comes complete with a logo, license plate frame, and two 22-inch windshield wipers, so you get everything you need in one convenient package.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is straightforward and designed with the working trucker in mind. The bolt-on design aligns with existing mounting points on the 2013-2021 Peterbilt 579, reducing downtime and getting your truck back on the road faster. No extensive modifications or special tools are required, making this a practical choice for both professional installers and experienced owner-operators tackling the repair themselves.\u003c\/p\u003e\n\n\u003cp\u003eAt Kozak Parts, we stock this Peterbilt 579 driver side fairing extender right here in our Seattle warehouse, so you can count on fast shipping to get your truck back in service without unnecessary delays. Order today and experience the quality and reliability that truck owners across the country depend on.\u003c\/p\u003e","brand":"KOZAK","offers":[{"title":"Default Title","offer_id":42483538034759,"sku":"F3-UESZ-MPFT","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/113copy_ad571b9a-622f-4432-be98-c05b73046971.webp?v=1770262411"},{"product_id":"cabin-upper-sleeper-fairing-extender-passenger-2013-2021-peterbilt-579","title":"Cabin Upper Sleeper Fairing Extender Passenger 2013-2021 Peterbilt 579","description":"\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/0.jpg?v=1774978499\"\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eCab Cabin Upper Side Sleeper Fairing Extender\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Peterbilt 579 2013-2021 Semi Trucks\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRight Passenger Side\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eMade from durable materials designed to withstand the rigors of the road and protect against environmental elements.\u003c\/li\u003e\n\u003cli\u003eDesigned for straightforward setup, allowing truck owners to efficiently upgrade their vehicle without needing professional help\u003c\/li\u003e\n\u003cli\u003eComes with Logo, License Plate Frame, 2x 22\" Windshield Wipers, and Reflective Vest\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Please make sure to provide your full and detailed shipping address information! Contact us if you want to pick up the item or if you want to know more about delivery options in Washington.\u003c\/p\u003e\n\u003cp\u003eKeep your Peterbilt 579 looking sharp and aerodynamically efficient with this Cabin Upper Sleeper Fairing Extender for the passenger side. Designed specifically for 2013-2021 Peterbilt 579 semi trucks, this replacement fairing extender offers a precise OEM-style fit that eliminates the guesswork and frustration often associated with aftermarket parts. Whether you're a fleet manager keeping a fleet of 579s road-ready or an owner-operator restoring your rig after a collision, this part delivers the quality and fitment you need to get back on the highway fast.\u003c\/p\u003e\n\n\u003cp\u003eConstructed from durable, high-impact materials engineered to handle the demands of long-haul trucking, this upper sleeper fairing extender stands up to highway debris, harsh weather, and the daily wear that comes with life on the road. The finish is designed to accept paint, making it easy for body shops to match your truck's existing color for a seamless, professional repair. Its aerodynamic profile not only restores the clean look of your Peterbilt 579 but also helps maintain fuel efficiency by reducing wind drag along the cab and sleeper area.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is straightforward and designed to align with factory mounting points, so experienced mechanics and skilled DIYers alike can complete the job without unnecessary modifications. This right passenger side fairing extender is built to match factory specifications, ensuring proper panel alignment and a finished appearance that looks like it came straight from the factory. No cutting, drilling, or fabricating required — just a clean, direct-fit replacement that saves you time and labor costs.\u003c\/p\u003e\n\n\u003cp\u003eAt Kozak Parts, we stock this Peterbilt 579 upper sleeper fairing extender and ship quickly from our Seattle, WA warehouse so you can minimize downtime and get your truck back to work. Order today and experience the combination of quality aftermarket fitment, fast shipping, and reliable customer service that truck owners and body shops across the country count on.\u003c\/p\u003e","brand":"KOZAK","offers":[{"title":"Default Title","offer_id":42483538329671,"sku":"UD-D671-86CB","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/114copy_077d18e5-43ee-4f6a-a90b-41ef5ef5afbb.webp?v=1770262413"},{"product_id":"cabin-upper-sleeper-fairing-extenders-set-2013-2021-peterbilt-579","title":"Cabin Upper Sleeper Fairing Extenders Set 2013-2021 Peterbilt 579","description":"\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/0.jpg?v=1774978499\"\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eCab Cabin Upper Side Sleeper Fairing Extenders\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Peterbilt 579 2013-2021 Semi Trucks\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eLeft Driver \u0026amp; Right Passenger Side\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eMade from high-quality materials that withstand the demands of long-haul trucking and protect against environmental elements.\u003c\/li\u003e\n\u003cli\u003eDesigned to enhance the aerodynamics of your truck, potentially reducing drag and improving fuel efficiency\u003c\/li\u003e\n\u003cli\u003eComes with Logo, License Plate Frame, 2x 22\" Windshield Wipers, and Reflective Vest\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Please make sure to provide your full and detailed shipping address information! Contact us if you want to pick up the item or if you want to know more about delivery options in Washington.\u003c\/p\u003e\n\u003cp\u003eKeep your Peterbilt 579 looking sharp and running efficiently with this Cabin Upper Sleeper Fairing Extenders Set, designed specifically for 2013-2021 Peterbilt 579 semi trucks. This complete set includes both the left driver side and right passenger side extenders, ensuring a perfectly matched, symmetrical appearance that restores the clean factory look of your cab. Whether you're replacing cracked, faded, or missing fairings after road damage, this set delivers the exact fitment you need without the hassle of sourcing individual pieces.\u003c\/p\u003e\n\n\u003cp\u003eCrafted from high-quality materials built to endure the rigors of long-haul trucking, these fairing extenders are engineered to resist UV exposure, road debris, and harsh weather conditions mile after mile. The aerodynamic design works with your truck's existing bodylines to help reduce wind drag, which can contribute to improved fuel efficiency over time — a real benefit for owner-operators and fleet managers watching the bottom line. The extenders come complete with logo and license plate provisions, staying true to the original OEM-style design of the Peterbilt 579.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is straightforward and designed to align with the factory mounting points on your 579, making this a practical choice for experienced body shop technicians and hands-on truck owners alike. No major modifications are required, so you can get your rig back on the road quickly. The finish is ready to accept paint or can be installed as-is depending on your preferences, giving you flexibility in how you complete the repair or restoration.\u003c\/p\u003e\n\n\u003cp\u003eAt Kozak Parts, we stock these Peterbilt 579 sleeper fairing extenders right here at our Seattle, WA warehouse, so you can count on fast shipping to get your truck back in service without unnecessary downtime. Order today and experience the quality aftermarket parts and dependable service that truck owners and fleet managers across the country rely on.\u003c\/p\u003e","brand":"KOZAK","offers":[{"title":"Default Title","offer_id":42483539542087,"sku":"IU-0DRT-NG5R","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/112copy_34a17ff0-70c9-436b-ac3f-6cff06ad377e.jpg?v=1770262422"},{"product_id":"cabin-lower-sleeper-fairing-extender-driver-2013-2021-peterbilt-579","title":"Cabin Lower Sleeper Fairing Extender Driver 2013-2021 Peterbilt 579","description":"\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/0.jpg?v=1774978499\"\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCab Cabin Sleeper Fairing Extender Bottom Lower\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCompatible with Peterbilt 579 2013-2021\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eThis bottom lower sleeper fairing extender fits the\u003cstrong\u003e left driver side\u003c\/strong\u003e with OEM-level precision and durability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eHeavy-Duty Build for Long-Term Use – Manufactured from aluminum, to withstand harsh road conditions and provide long-lasting protection and aerodynamic performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eEasy Installation – Direct bolt-on replacement with no modifications needed. Ideal for both professional mechanics and DIY truck owners.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\n\u003cspan class=\"a-list-item\"\u003eComes with Logo, 2x 22\" Windshield Wipers, and Reflective Vest\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Please make sure to provide your full and detailed shipping address information! Contact us if you want to pick up the item or if you want to know more about delivery options in Washington.\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your Peterbilt 579 looking sharp and aerodynamically efficient with this Cabin Lower Sleeper Fairing Extender for the driver side. Designed specifically for 2013-2021 Peterbilt 579 models, this bottom lower sleeper fairing extender is built to restore the clean lines and functional aerodynamics your truck depends on. Whether you're a long-haul owner-operator, managing a fleet, or running a body shop, this is the replacement part that gets the job done right the first time.\u003c\/p\u003e\n\n\u003cp\u003eCrafted from heavy-duty aluminum, this sleeper fairing extender is built to withstand the harsh demands of life on the road. The durable construction resists corrosion, road debris impact, and the wear that comes with thousands of miles of use. The OEM-level fitment ensures a precise match to your 2013-2021 Peterbilt 579, eliminating the frustrating gaps, misalignments, or drilling modifications that come with inferior aftermarket parts. This is a direct replacement for the left driver side position, so you can order with confidence knowing it will fit exactly where it needs to.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is straightforward, making it a practical choice for both professional body shop technicians and experienced owner-operators who prefer to handle repairs themselves. The part aligns with existing mounting points for a clean, secure fit that looks factory-fresh once installed. Restoring your fairing extender not only improves the appearance of your rig but also helps maintain fuel efficiency by preserving the aerodynamic profile of your sleeper cab.\u003c\/p\u003e\n\n\u003cp\u003eAt Kozak Parts, we stock this Peterbilt 579 lower sleeper fairing extender and thousands of other semi truck body parts ready to ship fast from our Seattle, WA warehouse. That means less downtime for your truck and more miles on the road where it belongs. Order today and get the quality aftermarket replacement your Peterbilt deserves.\u003c\/p\u003e","brand":"KOZAK","offers":[{"title":"Default Title","offer_id":42483732774983,"sku":"8Z-LFCO-S4FV","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/2copy_9424e6ee-a330-433e-918d-855cdacbd25c.webp?v=1773886370"},{"product_id":"cabin-lower-sleeper-fairing-extender-passenger-2013-2021-peterbilt-579","title":"Cabin Lower Sleeper Fairing Extender Passenger 2013-2021 Peterbilt 579","description":"\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/0.jpg?v=1774978499\"\u003e\u003cp\u003e\u003cstrong\u003eCab Cabin Sleeper Fairing Extender Bottom Lower\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCompatible with Peterbilt 579 2013-2021\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eThis bottom lower sleeper fairing extender fits the \u003cstrong\u003eright passenger side\u003c\/strong\u003e with OEM-level precision and durability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eHeavy-Duty Build for Long-Term Use – Manufactured from aluminum, to withstand harsh road conditions and provide long-lasting protection and aerodynamic performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eEasy Installation – Direct bolt-on replacement with no modifications needed. Ideal for both professional mechanics and DIY truck owners.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\n\u003cspan class=\"a-list-item\"\u003eComes with Logo, 2x 22\" Windshield Wipers, and Reflective Vest\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Please make sure to provide your full and detailed shipping address information! Contact us if you want to pick up the item or if you want to know more about delivery options in Washington.\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your Peterbilt 579 looking sharp and running aerodynamically efficient with this Cabin Lower Sleeper Fairing Extender for the passenger side, designed to fit 2013 through 2021 model years. Whether you're a fleet manager keeping your trucks in top condition, an independent owner-operator, or a body shop handling a repair job, this replacement fairing extender delivers the precise fit and reliable performance you need to get the rig back on the road fast.\u003c\/p\u003e\n\n\u003cp\u003eThis passenger-side lower sleeper fairing extender is manufactured from durable aluminum, offering an excellent strength-to-weight ratio that holds up against the rigors of long-haul trucking. The heavy-duty construction resists corrosion and everyday road wear, making it a smart long-term investment compared to cheaper plastic alternatives. Engineered for OEM-level fitment on the Peterbilt 579, this part aligns seamlessly with existing mounting points, eliminating the frustration of ill-fitting aftermarket components and reducing time spent on adjustments during installation.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is straightforward for experienced technicians and body shop professionals. The extender is designed to bolt directly into place using the factory hardware locations on the 2013-2021 Peterbilt 579, minimizing downtime and labor costs. The finish is clean and ready for paint or clear coat application, giving you full flexibility to match your truck's existing color scheme for a polished, professional result. Proper aerodynamic fairing coverage also helps maintain fuel efficiency by reducing drag around the sleeper cab area, which adds up to real savings over time on the highway.\u003c\/p\u003e\n\n\u003cp\u003eAt Kozak Parts, we stock this Peterbilt 579 lower sleeper fairing extender in our Seattle, WA warehouse, so you can count on fast shipping to get your truck back in service without unnecessary delays. Order with confidence knowing you're getting a quality aftermarket part built to meet the demands of professional trucking operations across the country.\u003c\/p\u003e","brand":"KOZAK","offers":[{"title":"Default Title","offer_id":42483732807751,"sku":"2L-242L-COWX","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/1copy_84a2aa00-83b7-4d66-8c6a-c19b7d34c9d6.webp?v=1773886356"},{"product_id":"cabin-lower-sleeper-fairing-extenders-set-2013-2021-peterbilt-579","title":"Cabin Lower Sleeper Fairing Extenders Set 2013-2021 Peterbilt 579","description":"\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/0.jpg?v=1774978499\"\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCab Cabin Sleeper Fairing Extenders Bottom Lower\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCompatible with Peterbilt 579 2013-2021\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\" class=\"a-spacing-mini\"\u003e\u003cstrong\u003e\u003cspan class=\"a-list-item\"\u003eDesigned to precisely match the bottom lower sleeper fairing extenders for both the left (driver) and right (passenger) sides\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eHeavy-Duty Build for Long-Term Use – Manufactured from aluminum, to withstand harsh road conditions and provide long-lasting protection and aerodynamic performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eEasy Installation – Direct bolt-on replacement with no modifications needed. Ideal for both professional mechanics and DIY truck owners.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\n\u003cspan class=\"a-list-item\"\u003eComes with Logo, 2x 22\" Windshield Wipers, and Reflective Vest\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Please make sure to provide your full and detailed shipping address information! Contact us if you want to pick up the item or if you want to know more about delivery options in Washington.\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your Peterbilt 579 looking sharp and aerodynamically efficient with this Cabin Lower Sleeper Fairing Extenders Set, designed to fit 2013 through 2021 model years. Whether you're a fleet manager maintaining a professional appearance across your trucks or a body shop handling a collision repair, these fairing extenders deliver the precise OEM-style fitment you need to get the job done right the first time.\u003c\/p\u003e\n\n\u003cp\u003eThis set includes both the left (driver side) and right (passenger side) lower sleeper fairing extenders, engineered to match the exact contour and dimensions of the original Peterbilt 579 lower cab fairing panels. Constructed from heavy-duty materials built to withstand the demands of long-haul trucking, these extenders resist cracking, warping, and road debris impact. The smooth, paint-ready finish means your body shop can prime and paint them to match any truck color with minimal prep work, saving valuable time in the bay.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is straightforward and designed to align with the factory mounting points on the Peterbilt 579, making it a hassle-free replacement that does not require drilling or major modifications. Truck owners and professional installers alike will appreciate the clean fitment and solid construction that holds up mile after mile. These lower sleeper fairing extenders also help maintain the aerodynamic profile of your 579, which contributes to better fuel efficiency on the highway.\u003c\/p\u003e\n\n\u003cp\u003eAt Kozak Parts, we stock these Peterbilt 579 lower sleeper fairing extenders right here at our Seattle, WA warehouse, so you can count on fast shipping to get your truck back on the road without unnecessary downtime. Whether you're replacing storm-damaged panels or refreshing the look of a high-mileage rig, this set is a reliable, cost-effective solution for any 2013-2021 Peterbilt 579 owner or repair professional.\u003c\/p\u003e","brand":"KOZAK","offers":[{"title":"Default Title","offer_id":42483732906055,"sku":"CC-8ONR-WN48","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/3copy_1c833ccf-5fa4-43c5-a446-79158d10618f.webp?v=1773886134"},{"product_id":"cabin-sleeper-fairing-extenders-upper-lower-full-set-2013-2021-peterbilt-579","title":"Cabin Sleeper Fairing Extenders Upper \u0026 Lower Full Set 2013-2021 Peterbilt 579","description":"\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/0.jpg?v=1774978499\"\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCab Cabin Sleeper Fairing Extenders Upper \u0026amp; Bottom Lower\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCompatible with Peterbilt 579 2013-2021 \u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eIncludes both upper and lower sleeper fairing extenders for \u003cstrong\u003ethe left (driver) and right (passenger) side\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003ePrecision-engineered to match the original cab sleeper fairing specifications for a seamless and secure fit with easy installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eHeavy-Duty Build for Long-Term Use – Manufactured from aluminum and plastic, to withstand harsh road conditions and provide long-lasting protection and aerodynamic performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\n\u003cspan class=\"a-list-item\"\u003eComes with Logo, 2x 22\" Windshield Wipers, and Reflective Vest\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Please make sure to provide your full and detailed shipping address information! Contact us if you want to pick up the item or if you want to know more about delivery options in Washington.\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your Peterbilt 579 looking sharp and aerodynamically efficient with this complete Cabin Sleeper Fairing Extenders Upper \u0026amp; Lower Full Set, designed specifically for 2013-2021 Peterbilt 579 models. Whether you're a long-haul owner-operator, a fleet manager maintaining a professional appearance across your trucks, or a body shop handling a collision repair, this full set gives you everything you need to restore the sleeper fairing to factory-correct form and function in a single purchase.\u003c\/p\u003e\n\n\u003cp\u003eThis kit includes both the upper and lower sleeper fairing extenders for the driver's side (left) and passenger's side (right), giving you a complete four-piece set that covers the full fairing extension assembly. Each piece is precision-engineered to match the original Peterbilt 579 fairing profile, ensuring a clean, flush fitment with no gaps or misalignment. Constructed from high-quality, impact-resistant thermoplastic, these extenders are built to handle highway vibration, weather exposure, and the everyday demands of commercial trucking. The smooth paintable finish allows body shops and truck owners to easily prime and paint to match any factory or custom color scheme.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is straightforward and designed to align with existing mounting points on the 2013-2021 Peterbilt 579 cab sleeper, minimizing downtime and keeping your truck or fleet back on the road as quickly as possible. No drilling or major modifications are required, making this a practical solution for professional installers and experienced DIYers alike. These aftermarket sleeper fairing extenders deliver the fit and finish you expect at a price that makes sense for both single-truck owners and fleet operations.\u003c\/p\u003e\n\n\u003cp\u003eAt Kozak Parts, we stock this full set right here in our Seattle warehouse, so you can count on fast shipping straight to your door or shop. Don't let damaged or missing sleeper fairings hurt your truck's aerodynamics, fuel efficiency, or professional image. Order today and get your Peterbilt 579 back to looking and performing its best.\u003c\/p\u003e","brand":"KOZAK","offers":[{"title":"Default Title","offer_id":42483732938823,"sku":"ZE-U2DS-6Q2X","price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/6copy_743d62af-965f-49fb-b35a-7f883fd87771.webp?v=1773886104"},{"product_id":"cabin-sleeper-fairing-extenders-upper-lower-for-driver-side-2013-2021-peterbilt-579","title":"Cabin Sleeper Fairing Extenders Upper \u0026 Lower for Driver Side 2013-2021 Peterbilt 579","description":"\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/0.jpg?v=1774978499\"\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCab Cabin Sleeper Fairing Extenders Upper \u0026amp; Bottom Lower\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCompatible with Peterbilt 579 2013-2021 \u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eThis fairing extender set fits the \u003cstrong\u003edriver left side\u003c\/strong\u003e, including both the upper and bottom lower fairings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003ePrecision-engineered to match the original cab sleeper fairing specifications for a seamless and secure fit with easy installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eHeavy-Duty Build for Long-Term Use – Manufactured from aluminum and plastic, to withstand harsh road conditions and provide long-lasting protection and aerodynamic performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\n\u003cspan class=\"a-list-item\"\u003eComes with Logo, 2x 22\" Windshield Wipers, and Reflective Vest\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Please make sure to provide your full and detailed shipping address information! Contact us if you want to pick up the item or if you want to know more about delivery options in Washington.\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your Peterbilt 579 looking sharp and aerodynamically efficient with these Cabin Sleeper Fairing Extenders Upper \u0026amp; Lower for the Driver Side, designed to fit 2013 through 2021 model years. Whether you're a fleet manager maintaining a professional appearance across your trucks or a body shop sourcing reliable replacement parts, these fairing extenders deliver the precise fit and finish your rig deserves. Engineered as a direct replacement for the original equipment, this set covers both the upper and lower driver side fairings, so you can restore your cab sleeper to factory-correct form in a single purchase.\u003c\/p\u003e\n\n\u003cp\u003eFitment is everything when it comes to fairing extenders, and these are precision-engineered to match the contours of the 2013-2021 Peterbilt 579 cab sleeper. The driver left side set aligns seamlessly with existing mounting points, eliminating the need for drilling or extensive modification. Constructed from durable, impact-resistant materials, these extenders are built to handle the demands of long-haul trucking, resisting road debris, vibration, and harsh weather conditions. The smooth finish is ready for painting, allowing body shops to match any fleet color with ease.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is straightforward and designed to save you valuable time in the shop. The extenders follow the original mounting configuration, making them an ideal choice for owner-operators and professional technicians alike. Proper fitment also helps maintain the aerodynamic profile of the Peterbilt 579, contributing to better fuel efficiency down the road — a benefit every truck owner and fleet manager can appreciate.\u003c\/p\u003e\n\n\u003cp\u003eAt Kozak Parts, we stock these Peterbilt 579 fairing extenders right here in our Seattle, WA warehouse, so you can count on fast shipping to get your truck back on the road quickly. If you're searching for dependable aftermarket semi truck body parts with a hassle-free buying experience, you've found the right source. Order today and experience the quality and convenience that keeps our customers coming back.\u003c\/p\u003e","brand":"KOZAK","offers":[{"title":"Default Title","offer_id":42483732971591,"sku":"WU-YD7W-OW5Z","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/5copy_6bc4f9e4-0d5f-438b-94b6-35fc2fb21e9c.webp?v=1773886215"},{"product_id":"cabin-sleeper-fairing-extenders-upper-lower-for-passenger-side-2013-2021-peterbilt-579","title":"Cabin Sleeper Fairing Extenders Upper \u0026 Lower for Passenger Side 2013-2021 Peterbilt 579","description":"\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/0.jpg?v=1774978499\"\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCab Cabin Sleeper Fairing Extenders Upper \u0026amp; Bottom Lower\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCompatible with Peterbilt 579 2013-2021\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eThis fairing extender set fits the \u003cstrong\u003eright passenger side\u003c\/strong\u003e, including both the upper and bottom lower fairings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003ePrecision-engineered to match the original cab sleeper fairing specifications for a seamless and secure fit with easy installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eHeavy-Duty Build for Long-Term Use – Manufactured from aluminum and plastic, to withstand harsh road conditions and provide long-lasting protection and aerodynamic performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\n\u003cspan class=\"a-list-item\"\u003eComes with Logo, 2x 22\" Windshield Wipers, and Reflective Vest\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Please make sure to provide your full and detailed shipping address information! Contact us if you want to pick up the item or if you want to know more about delivery options in Washington.\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your Peterbilt 579 looking sharp and aerodynamically efficient with these Cabin Sleeper Fairing Extenders for the passenger side, designed to fit 2013 through 2021 model years. This complete set includes both the upper and lower fairing extenders, giving you everything you need to restore or replace damaged cab sleeper fairings in a single purchase. Whether you're a fleet manager keeping a truck on the road or a body shop tackling a collision repair, this set delivers the right fit without the guesswork.\u003c\/p\u003e\n\n\u003cp\u003ePrecision-engineered to match the original equipment dimensions of the Peterbilt 579, these fairing extenders are built to align seamlessly with your cab sleeper for a factory-correct appearance. Constructed from durable, impact-resistant materials, they're designed to hold up against road debris, weather, and the daily demands of long-haul trucking. The smooth finish provides an ideal surface for painting, making it easy to match your truck's existing color scheme and give your rig a clean, professional look from front to back.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is straightforward and designed with the working technician in mind. The extenders are engineered to mount using the existing hardware locations on the right passenger side, reducing installation time and helping you get the truck back on the road faster. No cutting or drilling required — just a clean, direct-fit replacement that takes the hassle out of the job. These fairings are compatible specifically with the passenger side of 2013–2021 Peterbilt 579 models, so be sure to verify your side before ordering.\u003c\/p\u003e\n\n\u003cp\u003eAt Kozak Parts, we stock these Peterbilt 579 fairing extenders right here in our Seattle, WA warehouse, so you can count on fast shipping straight to your door or shop. Stop dealing with cracked, missing, or mismatched fairings — order today and get your truck looking and performing its best again.\u003c\/p\u003e","brand":"KOZAK","offers":[{"title":"Default Title","offer_id":42483733037127,"sku":"B7-VL1K-YQ4A","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/0800\/0327\/files\/4copy_5e4ccfd2-dfec-467a-b652-13890cf3ba02.webp?v=1773886208"}],"url":"https:\/\/kozakparts.com\/en-mx\/collections\/peterbilt-579-cabin-fairings.oembed","provider":"Kozak Parts","version":"1.0","type":"link"}