
Cab Cabin Sleeper Fairing Extender Bottom Lower
- Compatible with Peterbilt 579 2013-2021
- This bottom lower sleeper fairing extender fits the right passenger side with OEM-level precision and durability.
- Heavy-Duty Build for Long-Term Use – Manufactured from aluminum, to withstand harsh road conditions and provide long-lasting protection and aerodynamic performance.
- Easy Installation – Direct bolt-on replacement with no modifications needed. Ideal for both professional mechanics and DIY truck owners.
-
Comes with Logo, 2x 22" Windshield Wipers, and Reflective Vest
Please 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.
Keep 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.
This 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.
Installation 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.
At 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.











