Wehrli 6.6L LB7 Duramax Driver Side Intercooler Pipe - WCFab Grey — Fits 2001-2004 Silverado/Sierra 2500HD/3500

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SKU: WCFWCF100349-GRY
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

Wehrli Driver Side Intercooler Pipe for 2001-2004 6.6L LB7 Duramax

Improve the intercooling system efficiency of your 2001-2004 Chevrolet Silverado and GMC Sierra 2500HD/3500 trucks equipped with the 6.6L LB7 Duramax engine. This Wehrli Driver Side Intercooler Pipe, finished in WCFab Grey, is designed to replace the restrictive factory piping with a smoother, higher-flowing aluminum tube.

Key Features & Benefits:

  • Optimized Airflow: The smooth, mandrel-bent 3-inch aluminum tubing minimizes restrictions and turbulence, allowing for more efficient airflow to the intercooler.
  • Enhanced Durability: Constructed from high-quality aluminum, this pipe offers superior resistance to heat and pressure compared to the stock rubber hose.
  • Direct Fit Design: Engineered for a precise fit on 2001-2004 LB7 Duramax applications, ensuring a straightforward installation.
  • Improved Intercooler Performance: By facilitating better airflow, this pipe helps the intercooler operate more effectively, leading to cooler intake air temperatures.
  • Stylish Finish: The WCFab Grey powder coat provides a clean, professional look under the hood and offers excellent corrosion resistance.

This intercooler pipe is a valuable upgrade for LB7 Duramax owners looking to enhance their engine's reliability and performance, especially when towing or under heavy load.

Experience improved cooling efficiency. Get your Wehrli Driver Side Intercooler Pipe today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
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
2004 Chevrolet Silverado 3500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2004 GMC Sierra 2500 HD SLE
2001-2004 GMC Sierra 2500 HD SLT
2002-2004 GMC Sierra 2500 HD Base
2003-2004 GMC Sierra 2500 HD WT
2001-2004 GMC Sierra 3500 SLE
2001-2004 GMC Sierra 3500 SLT
2002-2004 GMC Sierra 3500 Base
2004 GMC Sierra 3500 WT

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

Wehrli Driver Side Intercooler Pipe for 2001-2004 6.6L LB7 Duramax

Improve the intercooling system efficiency of your 2001-2004 Chevrolet Silverado and GMC Sierra 2500HD/3500 trucks equipped with the 6.6L LB7 Duramax engine. This Wehrli Driver Side Intercooler Pipe, finished in WCFab Grey, is designed to replace the restrictive factory piping with a smoother, higher-flowing aluminum tube.

Key Features & Benefits:

  • Optimized Airflow: The smooth, mandrel-bent 3-inch aluminum tubing minimizes restrictions and turbulence, allowing for more efficient airflow to the intercooler.
  • Enhanced Durability: Constructed from high-quality aluminum, this pipe offers superior resistance to heat and pressure compared to the stock rubber hose.
  • Direct Fit Design: Engineered for a precise fit on 2001-2004 LB7 Duramax applications, ensuring a straightforward installation.
  • Improved Intercooler Performance: By facilitating better airflow, this pipe helps the intercooler operate more effectively, leading to cooler intake air temperatures.
  • Stylish Finish: The WCFab Grey powder coat provides a clean, professional look under the hood and offers excellent corrosion resistance.

This intercooler pipe is a valuable upgrade for LB7 Duramax owners looking to enhance their engine's reliability and performance, especially when towing or under heavy load.

Experience improved cooling efficiency. Get your Wehrli Driver Side Intercooler Pipe today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
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
2004 Chevrolet Silverado 3500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2004 GMC Sierra 2500 HD SLE
2001-2004 GMC Sierra 2500 HD SLT
2002-2004 GMC Sierra 2500 HD Base
2003-2004 GMC Sierra 2500 HD WT
2001-2004 GMC Sierra 3500 SLE
2001-2004 GMC Sierra 3500 SLT
2002-2004 GMC Sierra 3500 Base
2004 GMC Sierra 3500 WT

Product Details

Product Description

About Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

Wehrli Driver Side Intercooler Pipe for 2001-2004 6.6L LB7 Duramax

Improve the intercooling system efficiency of your 2001-2004 Chevrolet Silverado and GMC Sierra 2500HD/3500 trucks equipped with the 6.6L LB7 Duramax engine. This Wehrli Driver Side Intercooler Pipe, finished in WCFab Grey, is designed to replace the restrictive factory piping with a smoother, higher-flowing aluminum tube.

Key Features & Benefits:

  • Optimized Airflow: The smooth, mandrel-bent 3-inch aluminum tubing minimizes restrictions and turbulence, allowing for more efficient airflow to the intercooler.
  • Enhanced Durability: Constructed from high-quality aluminum, this pipe offers superior resistance to heat and pressure compared to the stock rubber hose.
  • Direct Fit Design: Engineered for a precise fit on 2001-2004 LB7 Duramax applications, ensuring a straightforward installation.
  • Improved Intercooler Performance: By facilitating better airflow, this pipe helps the intercooler operate more effectively, leading to cooler intake air temperatures.
  • Stylish Finish: The WCFab Grey powder coat provides a clean, professional look under the hood and offers excellent corrosion resistance.

This intercooler pipe is a valuable upgrade for LB7 Duramax owners looking to enhance their engine's reliability and performance, especially when towing or under heavy load.

Experience improved cooling efficiency. Get your Wehrli Driver Side Intercooler Pipe today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
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
2004 Chevrolet Silverado 3500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2004 GMC Sierra 2500 HD SLE
2001-2004 GMC Sierra 2500 HD SLT
2002-2004 GMC Sierra 2500 HD Base
2003-2004 GMC Sierra 2500 HD WT
2001-2004 GMC Sierra 3500 SLE
2001-2004 GMC Sierra 3500 SLT
2002-2004 GMC Sierra 3500 Base
2004 GMC Sierra 3500 WT

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