Wehrli's fabricated aluminum coolant tank replaces the OEM reservoir for 2017–2019 L5P Duramax 2500/3500 and 2019+ L5D Duramax 4500/5500/6500, mounting in the factory location for a neater engine bay. Finished in Candy Teal with a powder coat, it features a serviceable float‑type low coolant sensor, billet aluminum sight glass and cap, overflow hose and installation hardware, and replaces specified GM part numbers.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Candy Teal