The Wehrli Custom Fab OEM-placement aluminum coolant tank for 2017–2019 L5P Duramax replaces the stock reservoir with a fabricated aluminum unit that mounts in the factory location. It features a billet aluminum cap, serviceable float-type low coolant sensor, billet sight glass, high-quality powder coat and includes installation hardware and overflow hose to address known factory sensor and reservoir failure points.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Bronze Chrome