Wehrli 20-24 Duramax L5P Auxiliary Coolant Tank Kit - Sparkle Copper

If you're looking to clean up the engine bay on your 2020-2025 Duramax L5P Silverado or Sierra 2500/3500 HD, this auxiliary coolant tank kit from Wehrli Custom Fabrication is a solid option. It directly replaces the factory clear plastic reservoir for your fuel cooling system, giving you a much cleaner and more finished look. This kit is designed to use the original mounting points, making installation straightforward with basic hand tools.

This tank is fabricated from aluminum and finished in a durable Sparkle Copper powder coat, which not only looks great but also holds up well. It comes with a black anodized billet aluminum cap that's CNC machined for a precise fit, and includes all the necessary mounting hardware. The kit also features a pre-formed hose and an overflow flow fitting, ensuring it works seamlessly with your truck's stock setup without requiring any other modifications. It's a direct replacement for GM part number 84211275.