2001-2004 LB7 Duramax S400 Single Turbo Install Kit Flat Black

Name: 2001-2004 LB7 Duramax S400 Single Turbo Install Kit Flat Black
Brand: Wehrli
SKU: W005 WCF100489-FB
Price: 3196.15 USD
Availability: OutOfStock

$3,295.00 $3,196.15 Save $98.85

SKU: W005 WCF100489-FB

In Stock

Ships by Jun 9

Free Shipping

Non-Returnable Item

DIY PRO SHOP

Advanced — 4+ hours

Description

This WCFab kit enables the conversion from a stock IHI-style turbo to a larger Borg Warner S400-style setup for 2001-2004 6.6L LB7 Duramax diesel engines in Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks. It includes a 5" fabricated aluminum intake, upgraded 3" intercooler pipes, a 3" fabricated billet Y-bridge, stainless steel braided Parker oil lines, a T4 fabricated steel pedestal, and a high-temp ceramic coated turbo downpipe.

Fitment

Fitment Guaranteed

Don’t gamble
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.

Available on iOS & Android

Specifications

Brand	Wehrli
Part Number	W005 WCF100489-FB

Videos

2001-2004 LB7 Duramax S300 & S400 Single Turbo Install Kits

2001-2004 LB7 Duramax S400/Stock Twin (Compound) Turbo Kit

S467 LB7 Duramax Introduction! The Channel FINALLY Earned Its Name

LB7 DURAMAX WCFAB Y-BRIDGE INSTALL

WCFab 2001-10 LB7/LLY/LBZ/LMM Duramax Top Outlet Billet Thermostat Housing & Upper Coolant Pipe Kit

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.

View Full Return Policy