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Heating and Cooling› Thermostats, Housings and Fillers

Wehrli

Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Illusion Blueberry

$539.00 $536.04 Save $2.96

SKU: W005 WCF100420-IBB

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Wehrli GMC Sierra Thermostat Housing Kit, with an Illusion Blueberry finish, is an essential upgrade for 2006-2007 GMC Sierra models. This kit is designed for improved performance, better engine access, and an updated aesthetic under the hood. It includes a CNC machined billet aluminum thermostat upper housing, coolant pipe, silicone boots, and t-bolt clamps, all compatible with 2006-2010 Duramax LBZ/LMM engines.

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 WCF100420-IBB

Videos

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WCFab 2001-10 LB7/LLY/LBZ/LMM Duramax Top Outlet Billet Thermostat Housing & Upper Coolant Pipe Kit
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Duramax Upper Coolant Pipe Replacements
A Cooling System Part That Will Add Style To Your Duramax

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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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