Wehrli 3in Intercooler Pipe - Gloss Black — Fits 2001-2004 Chevrolet/GMC 6.6L LB7 Duramax

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SKU: WCFWCF100349-GB
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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.

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Wehrli 3-Inch Driver Side Intercooler Pipe - Gloss Black for LB7 Duramax

Optimize the intercooling system on your 2001-2004 Chevrolet Silverado/GMC Sierra HD truck equipped with the 6.6L LB7 Duramax engine. This high-quality 3-inch intercooler pipe from Wehrli is designed to replace the restrictive factory driver side pipe, promoting better airflow and more efficient charge air cooling. The durable Gloss Black finish adds a clean, performance-oriented look to your engine bay.

Product Features:

  • Improved Airflow: The 3-inch diameter pipe facilitates a smoother and higher volume of airflow from the intercooler to the engine.
  • Enhanced Cooling Efficiency: By optimizing airflow, this pipe helps maintain lower intake air temperatures, crucial for performance and engine longevity.
  • Durable Gloss Black Finish: Features a high-quality gloss black powder coat for resistance to corrosion and a sleek appearance.
  • Vehicle Specific Fitment: Precisely engineered for 2001, 2002, 2003, and 2004 Chevrolet Silverado 2500 HD, 3500, and GMC Sierra 2500 HD, 3500 models with the 6.6L LB7 Duramax engine.
  • Direct Replacement: Designed as a direct fit replacement for the stock driver side intercooler pipe.
  • Robust Construction: Built with durable materials to withstand the high temperatures and pressures associated with diesel performance applications.

This Wehrli intercooler pipe is an excellent upgrade for LB7 Duramax owners looking to enhance their cooling system's efficiency and reliability. Ensure your engine receives the coolest, densest air possible for optimal power output. Trust Wehrli for precision-engineered diesel performance components.

Fits: 2001-2004 Chevrolet Silverado 2500 HD, 3500 & GMC Sierra 2500 HD, 3500 (6.6L LB7 Duramax)

Improve your Duramax's cooling with the Wehrli Gloss Black Intercooler Pipe from 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.

Watch in action

Wehrli 3-Inch Driver Side Intercooler Pipe - Gloss Black for LB7 Duramax

Optimize the intercooling system on your 2001-2004 Chevrolet Silverado/GMC Sierra HD truck equipped with the 6.6L LB7 Duramax engine. This high-quality 3-inch intercooler pipe from Wehrli is designed to replace the restrictive factory driver side pipe, promoting better airflow and more efficient charge air cooling. The durable Gloss Black finish adds a clean, performance-oriented look to your engine bay.

Product Features:

  • Improved Airflow: The 3-inch diameter pipe facilitates a smoother and higher volume of airflow from the intercooler to the engine.
  • Enhanced Cooling Efficiency: By optimizing airflow, this pipe helps maintain lower intake air temperatures, crucial for performance and engine longevity.
  • Durable Gloss Black Finish: Features a high-quality gloss black powder coat for resistance to corrosion and a sleek appearance.
  • Vehicle Specific Fitment: Precisely engineered for 2001, 2002, 2003, and 2004 Chevrolet Silverado 2500 HD, 3500, and GMC Sierra 2500 HD, 3500 models with the 6.6L LB7 Duramax engine.
  • Direct Replacement: Designed as a direct fit replacement for the stock driver side intercooler pipe.
  • Robust Construction: Built with durable materials to withstand the high temperatures and pressures associated with diesel performance applications.

This Wehrli intercooler pipe is an excellent upgrade for LB7 Duramax owners looking to enhance their cooling system's efficiency and reliability. Ensure your engine receives the coolest, densest air possible for optimal power output. Trust Wehrli for precision-engineered diesel performance components.

Fits: 2001-2004 Chevrolet Silverado 2500 HD, 3500 & GMC Sierra 2500 HD, 3500 (6.6L LB7 Duramax)

Improve your Duramax's cooling with the Wehrli Gloss Black Intercooler Pipe from 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.

Watch in action

Wehrli 3-Inch Driver Side Intercooler Pipe - Gloss Black for LB7 Duramax

Optimize the intercooling system on your 2001-2004 Chevrolet Silverado/GMC Sierra HD truck equipped with the 6.6L LB7 Duramax engine. This high-quality 3-inch intercooler pipe from Wehrli is designed to replace the restrictive factory driver side pipe, promoting better airflow and more efficient charge air cooling. The durable Gloss Black finish adds a clean, performance-oriented look to your engine bay.

Product Features:

  • Improved Airflow: The 3-inch diameter pipe facilitates a smoother and higher volume of airflow from the intercooler to the engine.
  • Enhanced Cooling Efficiency: By optimizing airflow, this pipe helps maintain lower intake air temperatures, crucial for performance and engine longevity.
  • Durable Gloss Black Finish: Features a high-quality gloss black powder coat for resistance to corrosion and a sleek appearance.
  • Vehicle Specific Fitment: Precisely engineered for 2001, 2002, 2003, and 2004 Chevrolet Silverado 2500 HD, 3500, and GMC Sierra 2500 HD, 3500 models with the 6.6L LB7 Duramax engine.
  • Direct Replacement: Designed as a direct fit replacement for the stock driver side intercooler pipe.
  • Robust Construction: Built with durable materials to withstand the high temperatures and pressures associated with diesel performance applications.

This Wehrli intercooler pipe is an excellent upgrade for LB7 Duramax owners looking to enhance their cooling system's efficiency and reliability. Ensure your engine receives the coolest, densest air possible for optimal power output. Trust Wehrli for precision-engineered diesel performance components.

Fits: 2001-2004 Chevrolet Silverado 2500 HD, 3500 & GMC Sierra 2500 HD, 3500 (6.6L LB7 Duramax)

Improve your Duramax's cooling with the Wehrli Gloss Black Intercooler Pipe from 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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