The WCFab aluminum upper coolant pipe for 2017–2019 Chevrolet 6.6L L5P Duramax replaces the OEM rubber upper hose and is finished in WCFab grey powder coat. Built from aluminum and supplied with silicone boots and stainless steel T‑bolt clamps, it replaces GM part number 84094878. It provides a durable, service-friendly replacement for the factory rubber hose with a color-matched finish.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Grey