Wehrli 04.5-07 Cummins 5.9L Coolant Tank (OEM Placement) - Bengal Red

When you're working on your 2004.5-2007 Dodge Ram 2500 with the 5.9L Cummins engine, replacing the aging, yellowed plastic coolant reservoir is a common way to clean up the engine bay. This fabricated aluminum coolant tank from Wehrli Custom Fabrication is designed to mount right in the factory location, making the swap straightforward.

This tank is built from aluminum and finished in a durable Bengal Red powder coat, giving your engine compartment a custom look that stands out. It comes with a black anodized billet aluminum cap and a billet coolant level sight glass, so you can easily check your coolant level. The kit includes all the necessary mounting hardware, and it installs using basic hand tools, fitting on stock trucks without needing other modifications. It's a solid option to replace MOPAR part numbers 55056493AA or 55056493AB.