Special Order Item
2020-2025 L5P Duramax Fabricated Aluminum Axuiliary Coolant Tank Kit, mounts in OEM location. Dress up your engine bay by replacing the ugly clear plastic auxiliary coolant reservoir for your fuel cooling system with our custom powder coated fabricated aluminum coolant tank. Includes black anodized CNC machined billet aluminum cap and mounting hardware. Compatible with stock trucks, no other modifications necessary. Uses OEM mounting points. Installs easily with basic hand tools. Replaces the following GM part numbers: 84211275.
- Auxiliary Coolant Tank for Fuel Cooler
- Custom Single Stage Powder Coating
- Black Anodized Billet Aluminum Cap
- Overflow Flow Fitting
- Preformed Hose