Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Illusion Purple

The Wehrli OEM Placement Coolant Tank Kit for 2017-2019 Chevrolet 6.6L L5P Duramax is a fabricated aluminum replacement designed to mount in the original coolant tank location. It serves to improve under-hood appearance and address common issues with stock reservoirs, which tend to become cloudy and yellow over time. This kit features a high-quality, cost-effective float-type sensor that is easily serviceable, eliminating the need for frequent replacements of the entire reservoir assembly due to sensor failure. Constructed from durable aluminum, it offers a reliable upgrade that enhances both the look and functionality of your truck’s cooling system.

Designed for use on 2017-2019 Chevrolet 2500/3500 models with the L5P Duramax engine, as well as 2019+ L5D Duramax 4500/5500/6500 trucks, this kit replaces GM part numbers 84257137, 84214124, 84138913, and 84174037. It is a direct replacement that mounts in the OEM coolant reservoir location, making installation straightforward. Ideal for daily driving, towing, or heavy-duty applications, this aluminum coolant tank kit helps prevent premature sensor failure and maintains a clean engine bay appearance over time.