Wehrli VGT Exhaust Housing Heat Blanket — Fits 2004.5-2016 Chevrolet 6.6L LLY/LBZ/LMM/LML Duramax

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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.

Watch in action

Wehrli VGT Exhaust Housing Heat Blanket for Duramax Engines

Upgrade your 2004.5-2016 Chevrolet 6.6L Duramax truck with the Wehrli VGT Exhaust Housing Heat Blanket. Engineered specifically for LLY, LBZ, LMM, and LML engine codes, this heat blanket is designed to significantly reduce under-hood temperatures by insulating the Variable Geometry Turbo (VGT) exhaust housing.

Key Benefits:

  • Superior Heat Insulation: Effectively shields the VGT exhaust housing, preventing excessive heat transfer to surrounding components.
  • Improved Turbo Performance: By minimizing heat soak, it helps maintain optimal turbocharger operating temperatures, potentially leading to quicker spool-up and sustained performance.
  • Component Protection: Reduces heat exposure to sensitive nearby parts, such as wiring, sensors, and hoses, extending their lifespan.
  • Durable Construction: Made from high-quality, heat-resistant materials designed to withstand the extreme temperatures of the exhaust system.
  • Direct Fit Design: Engineered for a precise fit on the specified Duramax VGT exhaust housings, ensuring straightforward installation.

This heat blanket is an essential upgrade for any Duramax owner looking to enhance reliability and performance. It helps manage under-hood temperatures, which is crucial for maintaining the efficiency and longevity of your turbo system and other critical engine components. Ensure your Duramax is running at its best with this protective and performance-enhancing modification.

Invest in the durability and performance of your Duramax with the Wehrli VGT Exhaust Housing Heat Blanket, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Chevrolet Silverado 2500 HD Base
2005-2006 Chevrolet Silverado 2500 HD LS
2005-2016 Chevrolet Silverado 2500 HD LT
2007-2016 Chevrolet Silverado 2500 HD LTZ
2015-2016 Chevrolet Silverado 2500 HD High Country
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2004-2005 Chevrolet Silverado 3500 Base
2004-2006 Chevrolet Silverado 3500 LS
2004-2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2016 Chevrolet Silverado 3500 HD LT
2007-2016 Chevrolet Silverado 3500 HD WT
2015-2016 Chevrolet Silverado 3500 HD High Country
2004-2005 GMC Sierra 2500 HD Base
2004-2016 GMC Sierra 2500 HD SLE
2004-2016 GMC Sierra 2500 HD SLT
2006 GMC Sierra 2500 HD SL
2011-2016 GMC Sierra 2500 HD Denali
2015-2016 GMC Sierra 2500 HD Base
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2004-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 WT
2004-2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SL
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007 GMC Sierra 3500 Classic WT
2007-2014 GMC Sierra 3500 HD WT
2007-2016 GMC Sierra 3500 HD SLT
2011-2016 GMC Sierra 3500 HD Denali
2015-2016 GMC Sierra 3500 HD Base

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 VGT Exhaust Housing Heat Blanket for Duramax Engines

Upgrade your 2004.5-2016 Chevrolet 6.6L Duramax truck with the Wehrli VGT Exhaust Housing Heat Blanket. Engineered specifically for LLY, LBZ, LMM, and LML engine codes, this heat blanket is designed to significantly reduce under-hood temperatures by insulating the Variable Geometry Turbo (VGT) exhaust housing.

Key Benefits:

  • Superior Heat Insulation: Effectively shields the VGT exhaust housing, preventing excessive heat transfer to surrounding components.
  • Improved Turbo Performance: By minimizing heat soak, it helps maintain optimal turbocharger operating temperatures, potentially leading to quicker spool-up and sustained performance.
  • Component Protection: Reduces heat exposure to sensitive nearby parts, such as wiring, sensors, and hoses, extending their lifespan.
  • Durable Construction: Made from high-quality, heat-resistant materials designed to withstand the extreme temperatures of the exhaust system.
  • Direct Fit Design: Engineered for a precise fit on the specified Duramax VGT exhaust housings, ensuring straightforward installation.

This heat blanket is an essential upgrade for any Duramax owner looking to enhance reliability and performance. It helps manage under-hood temperatures, which is crucial for maintaining the efficiency and longevity of your turbo system and other critical engine components. Ensure your Duramax is running at its best with this protective and performance-enhancing modification.

Invest in the durability and performance of your Duramax with the Wehrli VGT Exhaust Housing Heat Blanket, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Chevrolet Silverado 2500 HD Base
2005-2006 Chevrolet Silverado 2500 HD LS
2005-2016 Chevrolet Silverado 2500 HD LT
2007-2016 Chevrolet Silverado 2500 HD LTZ
2015-2016 Chevrolet Silverado 2500 HD High Country
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2004-2005 Chevrolet Silverado 3500 Base
2004-2006 Chevrolet Silverado 3500 LS
2004-2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2016 Chevrolet Silverado 3500 HD LT
2007-2016 Chevrolet Silverado 3500 HD WT
2015-2016 Chevrolet Silverado 3500 HD High Country
2004-2005 GMC Sierra 2500 HD Base
2004-2016 GMC Sierra 2500 HD SLE
2004-2016 GMC Sierra 2500 HD SLT
2006 GMC Sierra 2500 HD SL
2011-2016 GMC Sierra 2500 HD Denali
2015-2016 GMC Sierra 2500 HD Base
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2004-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 WT
2004-2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SL
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007 GMC Sierra 3500 Classic WT
2007-2014 GMC Sierra 3500 HD WT
2007-2016 GMC Sierra 3500 HD SLT
2011-2016 GMC Sierra 3500 HD Denali
2015-2016 GMC Sierra 3500 HD Base

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 VGT Exhaust Housing Heat Blanket for Duramax Engines

Upgrade your 2004.5-2016 Chevrolet 6.6L Duramax truck with the Wehrli VGT Exhaust Housing Heat Blanket. Engineered specifically for LLY, LBZ, LMM, and LML engine codes, this heat blanket is designed to significantly reduce under-hood temperatures by insulating the Variable Geometry Turbo (VGT) exhaust housing.

Key Benefits:

  • Superior Heat Insulation: Effectively shields the VGT exhaust housing, preventing excessive heat transfer to surrounding components.
  • Improved Turbo Performance: By minimizing heat soak, it helps maintain optimal turbocharger operating temperatures, potentially leading to quicker spool-up and sustained performance.
  • Component Protection: Reduces heat exposure to sensitive nearby parts, such as wiring, sensors, and hoses, extending their lifespan.
  • Durable Construction: Made from high-quality, heat-resistant materials designed to withstand the extreme temperatures of the exhaust system.
  • Direct Fit Design: Engineered for a precise fit on the specified Duramax VGT exhaust housings, ensuring straightforward installation.

This heat blanket is an essential upgrade for any Duramax owner looking to enhance reliability and performance. It helps manage under-hood temperatures, which is crucial for maintaining the efficiency and longevity of your turbo system and other critical engine components. Ensure your Duramax is running at its best with this protective and performance-enhancing modification.

Invest in the durability and performance of your Duramax with the Wehrli VGT Exhaust Housing Heat Blanket, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Chevrolet Silverado 2500 HD Base
2005-2006 Chevrolet Silverado 2500 HD LS
2005-2016 Chevrolet Silverado 2500 HD LT
2007-2016 Chevrolet Silverado 2500 HD LTZ
2015-2016 Chevrolet Silverado 2500 HD High Country
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2004-2005 Chevrolet Silverado 3500 Base
2004-2006 Chevrolet Silverado 3500 LS
2004-2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2016 Chevrolet Silverado 3500 HD LT
2007-2016 Chevrolet Silverado 3500 HD WT
2015-2016 Chevrolet Silverado 3500 HD High Country
2004-2005 GMC Sierra 2500 HD Base
2004-2016 GMC Sierra 2500 HD SLE
2004-2016 GMC Sierra 2500 HD SLT
2006 GMC Sierra 2500 HD SL
2011-2016 GMC Sierra 2500 HD Denali
2015-2016 GMC Sierra 2500 HD Base
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2004-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 WT
2004-2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SL
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007 GMC Sierra 3500 Classic WT
2007-2014 GMC Sierra 3500 HD WT
2007-2016 GMC Sierra 3500 HD SLT
2011-2016 GMC Sierra 3500 HD Denali
2015-2016 GMC Sierra 3500 HD Base

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