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Air and Fuel› Superchargers, Turbochargers and Components

Wehrli

Wehrli S400 Single Turbo Install Kit for 2001-2004 Duramax LB7 Sparkle Bomber Orange Sparkle Bomber Orange 100489-SBO

$3,370.00 $3,268.90 Save $101.10

SKU: W005 100489-SBO

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

Moderate — 2–4 hours

Description

This Wehrli Custom Fabrication (WCFab) kit facilitates the upgrade from a stock IHI style turbo to a larger Borg Warner S400 series on 2001-2004 6.6L LB7 Duramax diesel engines. It includes a 5" fabricated aluminum intake, heavy-duty sheet metal air box, high-performance dry filter, 3" mandrel-bent aluminum intercooler piping, 3" fabricated billet Y-bridge, braided stainless steel oil lines, and a T4 fabricated steel pedestal with a spacer. The kit also comes with a ceramic-coated downpipe and a driver-side transmission dipstick tube.

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 100489-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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