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Heating and Cooling› Radiators

Wehrli

Thermostat Housing Kit 2001-2005 Duramax LB7/LLY Sparkle Bomber Orange

$539.00 $522.83 Save $16.17

SKU: W005 100405-SBO

In Stock
In Stock
Ships by Jun 14
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This kit replaces the OEM upper radiator hose and coolant return pipe in 2001-2005 LB7/LLY Duramax engines, rerouting coolant flow for improved access to fuel system components and increased space for aftermarket turbochargers. It includes coolant pipe, silicone boots, and t-bolt clamps, constructed from durable 14 gauge material.

Fitment

Fitment Guaranteed

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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.

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Specifications

BrandWehrli
Part NumberW005 100405-SBO

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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