Sale

Drivetrain Clutches and Components

Wehrli

Thermostat Housing Kit 2001-2005 Duramax LB7/LLY Bengal Silver

$489.00 $474.33 Save $14.67

SKU: W005 100405-BS

In Stock
In Stock
Ships by Jun 12
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Wehrli 100405-BS S300 Single Turbo Install Kit is designed for 2001-2004 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD trucks with the 6.6L LB7 Duramax diesel engine. This kit facilitates the swap from a stock IHI style turbo to a larger frame Borg Warner S300 style setup, improving performance. It includes a 4" fabricated aluminum intake, 3" intercooler piping, a billet Y-bridge, and a ceramic coated turbo downpipe. A WCFAB Billet forward-facing thermostat housing kit (WCF100405) is required for installation.

Fitment

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Specifications

BrandWehrli
Part NumberW005 100405-BS

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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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