• Tailored for Peterbilt 579 (2013-2021)
• Designed to fit seamlessly, replacing or upgrading the existing coolant reservoir tank
• Complete Cooling Solution: Helps maintain optimal engine temperature, preventing overheating and ensuring efficient operation.
• High-Quality Build: Constructed from durable materials to withstand the rigors of heavy-duty use and resist corrosion over time.
• Comes with Logo, 2x 22" Windshield Wipers, License Plate Frame and 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 the 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 running cool and performing at its best with this premium Coolant Reservoir Tank, engineered specifically for 2013-2021 Peterbilt 579 models. Whether you're managing a long-haul fleet, running your own rig, or handling repairs at a body shop, this direct-fit replacement tank is designed to restore your cooling system to factory-level performance without the hassle of custom modifications or professional installation headaches.

This coolant reservoir tank is built from high-quality, heavy-duty materials specifically chosen to withstand the demanding conditions of commercial trucking. The durable construction resists corrosion, cracking, and heat stress over time, ensuring a long service life even under continuous heavy-duty use. The tank is precision-molded to match OEM specifications, so you can count on a seamless, secure fit that integrates perfectly with your existing cooling system components. Maintaining proper coolant levels is critical to preventing engine overheating and protecting your investment, and this reservoir tank makes that job straightforward and reliable.

Installation is straightforward and designed with mechanics and owner-operators in mind. The direct-fit design means no drilling, cutting, or guesswork — just a clean swap that gets your truck back on the road quickly. The tank is compatible with the full range of 2013-2021 Peterbilt 579 configurations, making it a versatile solution for fleets running multiple units or shops servicing a variety of customers. It's the kind of dependable aftermarket part that professionals trust to get the job done right the first time.

At Kozak Parts, we stock this Peterbilt 579 coolant reservoir tank and ship fast from our Seattle, WA warehouse so you spend less time waiting and more time driving. We're committed to providing truck owners, fleet managers, and body shops with quality aftermarket parts at competitive prices. Order today and get your cooling system back in peak condition.