• Wehrli 01-04 GM Duramax LB7 S400 Single Turbo Install Kit - Bengal Silver
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Wehrli Custom Fab

Wehrli 01-04 GM Duramax LB7 S400 Single Turbo Install Kit - Bengal Silver

Wehrli 01-04 GM Duramax LB7 S400 Single Turbo Install Kit - Bengal Silver

Part number: WCFWCF100489-BS

$3,196.15 USD
$3,196.15 USD
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  • Ships direct from the brand or supplier
  • Tracking emailed when it ships
  • Free fitment check before you order

Wehrli from Wehrli Custom Fab. The part number and specifications are listed below. Turbo and boost parts control how much air is forced into the engine.

Quick facts

  • Brand: Wehrli Custom Fab
  • Part type: Turbo part
  • Model years: 2001–2004

Listed fitment

  • 2001-2004 Chevrolet Silverado 2500 HD Base
  • 2001-2004 Chevrolet Silverado 2500 HD LS
  • 2001-2004 Chevrolet Silverado 2500 HD LT
  • 2004 Chevrolet Silverado 2500 HD WT
  • 2001-2004 Chevrolet Silverado 3500 Base
  • 2001-2004 Chevrolet Silverado 3500 LS
  • 2001-2004 Chevrolet Silverado 3500 LT
  • 2004 Chevrolet Silverado 3500 WT
  • 2002-2004 GMC Sierra 2500 HD Base
  • 2001-2002 GMC Sierra 2500 HD SL
  • 2001-2004 GMC Sierra 2500 HD SLE
  • 2001-2004 GMC Sierra 2500 HD SLT
  • 2003-2004 GMC Sierra 2500 HD WT
  • 2002-2004 GMC Sierra 3500 Base
  • 2001-2002 GMC Sierra 3500 SL
  • 2001-2004 GMC Sierra 3500 SLE
  • 2001-2004 GMC Sierra 3500 SLT
  • 2004 GMC Sierra 3500 WT

Tip: Change fuel and tuning together with boost, and check for leaks with a boost leak tester.

View full details

Before you order: fitment and what to plan

Turbo and boost parts control how much air is forced into the engine.

Fitment notes

  • Specs, lead time and warranty come from Wehrli Custom Fab and can change. The details above this guide are the latest we have.

Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.

Ask about fitment

Plan the whole job

More for your car: Fuel & air intake · Fuel & air intake

Questions about turbo part

Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Do I need a tune?
For most boost and turbo upgrades, yes.
Where do specs and warranty details come from?
From Wehrli Custom Fab. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.

Questions & answers

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