Wehrli 20-24 Duramax L5P Auxiliary Coolant Tank Kit - WCFab Grey

The stock plastic auxiliary coolant reservoir on your 2020-2025 Duramax L5P can look a bit out of place, especially if you're looking to clean up the engine bay. This fabricated aluminum auxiliary coolant tank kit from Wehrli Custom Fabrication is designed to replace that clear plastic unit, offering a much cleaner and more finished appearance. It's specifically made for the fuel cooling system on your truck, ensuring proper function while dressing up the engine compartment.

This tank is constructed from aluminum and finished with a custom, single-stage WCFab Grey powder coating, giving it a solid look that stands up to engine bay conditions. It includes a black anodized billet aluminum cap, machined for a precise fit, and all the necessary mounting hardware. The kit also comes with a pre-formed hose and an overflow flow fitting, making installation straightforward. It utilizes the factory mounting points, so no other modifications are needed to get this installed using basic hand tools.

Replacing the OEM part number 84211275, this kit is a direct fit for your 2020-2025 Chevrolet Silverado 2500 HD, 3500 HD, or GMC Sierra 2500 HD, 3500 HD. It's a well-built upgrade that enhances the look of your engine bay without compromising the function of your fuel cooling system.