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- Part Number: WCF100224-X
- Est. Ship Time: Contact To Confirm Availability
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Fits: 2020-2025 GM 6.6L L5P Duramax
Universal base auxiliary coolant tank kit for 2020-2025 GM 6.6 L L5P Duramax. Powder-coated aluminum reservoir replaces the stock plastic auxiliary coolant tank that serves the fuel cooler/overflow system. Includes billet aluminum cap, preformed hose, overflow fitting, and mounting hardware.
This part (commonly referenced as WCF100224-X is a fabricated aluminum auxiliary coolant tank that replaces the stock plastic coolant overflow/reservoir used in the 200-2025 GM 6.6L Duramax L5P trucks. It mounts in the OEM location, uses the factory mounting points, and includes a black anodized billet cap, overflow fitting, and preformed hose — giving a more durable and visually appealing reservoir compared to stock plastic.
WCFAB: WCF100224-X
