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The Wehrli auxiliary coolant tank kit for 2020–2025 Duramax L5P replaces the factory plastic reservoir with a fabricated aluminum tank in Sparkle Bomber Orange. It mounts using OEM mounting points and includes a black anodized CNC billet cap, mounting hardware, preformed hose and overflow fitting. Intended for direct fitment on stock trucks, the kit installs with basic hand tools.
Wehrli 20-24 Duramax L5P Auxiliary Coolant Tank Kit - Sparkle Bomber Orange
