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Heating and Cooling› Thermostats, Housings and Fillers

Wehrli

Wehrli Thermostat Housing Kit 2006-2010 Duramax LBZ LMM Candy Red Candy Red 100420-CR

$539.00 $522.83 Save $16.17

SKU: W005 100420-CR

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

This kit replaces the factory thermostat housing and upper coolant pipe with a billet aluminum housing and a new upper coolant pipe. It is designed to improve the aesthetics of the engine bay and potentially enhance cooling system performance.

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 100420-CR

Videos

WCFab 2001-10 LB7/LLY/LBZ/LMM Duramax Top Outlet Billet Thermostat Housing & Upper Coolant Pipe Kit

WCFab 2001-10 LB7/LLY/LBZ/LMM Duramax Top Outlet Billet Thermostat Housing & Upper Coolant Pipe Kit
Duramax Upper Coolant Pipe Replacements

Duramax Upper Coolant Pipe Replacements
A Cooling System Part That Will Add Style To Your Duramax

A Cooling System Part That Will Add Style To Your Duramax

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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