Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Illusion Purple

The Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe is an aftermarket aluminum replacement designed to enhance the cooling system of the 2017-2019 L5P Duramax engines. This high-quality upper coolant pipe replaces the OEM rubber hose, offering improved durability and heat resistance. It features a powder-coated finish in Illusion Purple, providing a custom aesthetic while protecting against corrosion. Constructed from lightweight aluminum, this component ensures efficient coolant flow and reliable performance under demanding conditions. Its design aims to deliver a direct upgrade over stock parts, reducing the risk of hose failure and improving overall cooling system longevity.

This coolant pipe is specifically engineered for 2017-2019 Chevrolet Silverado and GMC Sierra trucks equipped with the L5P Duramax engine. It replaces GM Part Number 84094878 and is intended for use in both street and performance applications, including towing and heavy-duty driving. The installation is a straightforward bolt-on process, serving as a direct replacement for the OEM part. The kit includes the aluminum coolant pipe and necessary fittings, ensuring a seamless upgrade. Suitable for enthusiasts seeking durability, improved cooling efficiency, and a custom look, this part enhances the reliability of the vehicle’s cooling system during daily driving or demanding workloads.