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Air and Fuel Superchargers, Turbochargers and Components

Wehrli

2001-2004 LB7 Duramax S400 Single Turbo Install Kit Sparkle Granny Smith

$3,370.00 $3,268.90 Save $101.10

SKU: W005 WCF100489-SGS

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In Stock
Ships by Jun 11
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Replaces stock IHI turbo with a larger Borg Warner S400 setup. Designed for 2001-2004 Chevy Silverado 2500/3500 HD with 6.6L LB7 Duramax. Includes 5" fabricated aluminum intake, heavy-duty sheet metal air box, dry filter, 3" mandrel-bent aluminum intercooler piping, 3" fabricated billet Y-bridge kit, stainless steel braided oil lines, high-temp ceramic coated turbo downpipe, T4 fabricated steel pedestal, and driver-side transmission dipstick tube. Requires WCFab Billet forward-facing thermostat housing Kit WCF100405. Downpipe designed for Half Marmon style S400 exhaust outlet (4.6" flat flange), not HX40. Custom powder coat finish options available. Made in USA.

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Specifications

BrandWehrli
Part NumberW005 WCF100489-SGS

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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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