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The Wehrli auxiliary coolant tank kit for 2020–2025 Duramax L5P replaces the stock plastic auxiliary reservoir with a fabricated aluminum tank in Chevy Orange. It uses OEM mounting points and comes with a black anodized CNC billet cap, mounting hardware, preformed hose and overflow fitting. This direct-fit assembly installs in the factory location and requires only basic hand tools for installation.
Wehrli 20-24 Duramax L5P Auxiliary Coolant Tank Kit - Chevy Orange
