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Heating and Cooling› Radiators

Wehrli

Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red

$185.00 $183.56 Save $1.44

SKU: W005 WCF100742-RED

In Stock
In Stock
Ships by Jun 13
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Wehrli Upper Coolant Pipe is an aluminum replacement for the factory rubber upper hose on 2017-2019 6.6L L5P Duramax engines. Finished in Bengal Red powder coat, it is designed as a direct replacement for GM part number 84094878. This pipe includes silicone boots and stainless T-bolt clamps for installation and is intended for use with the OEM GM radiator.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandWehrli
Part NumberW005 WCF100742-RED

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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