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Heating and Cooling› Thermostats, Housings and Fillers

Wehrli

2006-2010 LBZ/LMM Duramax Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit Bengal Silver

$489.00 $474.33 Save $14.67

SKU: W005 WCF100420-BS

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

Moderate — 2–4 hours

Description

Replaces the OEM upper radiator hose and coolant return pipe, rerouting coolant for improved access to driver-side fuel system components, increased room for aftermarket turbochargers, and an updated engine bay appearance. Compatible with factory VGT turbos. Required for race cover style or SXE turbos mounted in the valley.

Fitment

Fitment Guaranteed

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

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Specifications

BrandWehrli
Part NumberW005 WCF100420-BS

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

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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