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Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Flat Black
Upgrade your 2017–2019 Chevrolet Silverado HD or GMC Sierra HD coolant system with the Wehrli Custom Fabrication OEM Placement Coolant Tank Kit in Flat Black for the 6.6L L5P Duramax. This direct-replacement coolant overflow tank installs in the factory location and delivers improved coolant capacity and durability over the OEM plastic reservoir — a must-have upgrade for high-performance or hard-working Duramax diesel trucks.
Wehrli's coolant tank is fabricated from polished aluminum with welded fittings and a machined billet cap, then powder-coated in a clean Flat Black finish that looks great even under harsh working conditions. Unlike the factory plastic tank that can crack under heat and pressure, the Wehrli unit is built to last the life of the truck.
Key Features
- Fits: 2017–2019 Chevrolet Silverado 2500HD / 3500HD and GMC Sierra 2500HD / 3500HD with 6.6L L5P Duramax diesel
- OEM placement — installs directly in the factory coolant reservoir location
- Aluminum construction — stronger and more heat-resistant than the OEM plastic tank
- Flat Black powder coat finish — clean, understated appearance
- Machined billet filler cap included
- Direct bolt-on installation with all necessary hardware
- Made in the USA by Wehrli Custom Fabrication (WCFab)
- MPN: WCF100433-FB
Protect your L5P Duramax's cooling system with the Wehrli aluminum coolant tank. A straightforward upgrade that eliminates the risk of a failed OEM plastic reservoir while adding a professional, finished look to your engine bay.