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Air and Fuel Superchargers, Turbochargers and Components

Wehrli

Wehrli S300 Single Turbo Install Kit for 2001-2004 Duramax LB7 Semi-Gloss Black Semi-Gloss Black 100478-SGB

$3,295.00 $3,196.15 Save $98.85

SKU: W005 100478-SGB

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

Professional / shop required

Description

The Wehrli 100478-SGB is an S300 Single Turbo Install Kit for 2001-2004 LB7 Duramax diesel engines, designed to upgrade from a stock IHI turbo to a larger Borg Warner S300 style turbo. It includes a 4-inch fabricated aluminum intake, high-flow intercooler piping, a billet Y-bridge, braided oil lines, a T4 pedestal, and a ceramic-coated downpipe.

Fitment

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Specifications

BrandWehrli
Part NumberW005 100478-SGB

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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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