Wehrli Coolant Tank Kit — Fits 2001-2007 Chevrolet/GMC 6.6L LB7/LLY/LBZ Duramax

SKU: WCFWCF100645-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.

Wehrli OEM Placement Coolant Tank Kit for 2001-2007 Duramax LB7/LLY/LBZ

Ensure the longevity and performance of your Duramax engine with the Wehrli OEM Placement Coolant Tank Kit. Designed for 2001-2007 Chevrolet Silverado/GMC Sierra 2500 HD/3500 HD trucks equipped with the 6.6L LB7, LLY, or LBZ Duramax engines, this kit offers a robust and reliable replacement for your factory coolant reservoir.

Key Features and Benefits:

  • Direct OEM Fitment: Engineered to install seamlessly into the original location, simplifying the replacement process.
  • Enhanced Durability: Constructed from high-quality materials to resist cracking and failure, providing a more durable solution than stock plastic tanks.
  • Improved Cooling System Integrity: Helps maintain proper coolant levels and system pressure, crucial for preventing engine overheating and damage.
  • Stylish Gloss Black Finish: Features a sleek gloss black powder coat for a custom, high-performance look in your engine bay.
  • Broad Duramax Compatibility: Fits a wide range of Duramax engines from 2001 to 2007, including LB7, LLY, and LBZ variants.

The coolant reservoir is a vital component of your truck's cooling system, managing coolant expansion and ensuring adequate fluid levels. This Wehrli kit provides a superior alternative to the OEM plastic tank, which can become brittle and prone to leaks over time. By upgrading to this durable and stylish tank, you enhance the reliability and appearance of your Duramax. It's an essential upgrade for any diesel enthusiast seeking quality and performance.

Purchase your Wehrli Coolant Tank Kit from GGCRACING today.

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2006 Chevrolet Silverado 2500 HD LS
2001-2006 Chevrolet Silverado 2500 HD LT
2004-2006 Chevrolet Silverado 2500 HD WT
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2006 Chevrolet Silverado 3500 LS
2001-2006 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2001-2002 GMC Sierra 2500 HD SL
2001-2006 GMC Sierra 2500 HD SLE
2001-2006 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2006 GMC Sierra 2500 HD SL
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
2001-2002 GMC Sierra 3500 SL
2001-2006 GMC Sierra 3500 SLT
2002-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 WT
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

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 OEM Placement Coolant Tank Kit for 2001-2007 Duramax LB7/LLY/LBZ

Ensure the longevity and performance of your Duramax engine with the Wehrli OEM Placement Coolant Tank Kit. Designed for 2001-2007 Chevrolet Silverado/GMC Sierra 2500 HD/3500 HD trucks equipped with the 6.6L LB7, LLY, or LBZ Duramax engines, this kit offers a robust and reliable replacement for your factory coolant reservoir.

Key Features and Benefits:

  • Direct OEM Fitment: Engineered to install seamlessly into the original location, simplifying the replacement process.
  • Enhanced Durability: Constructed from high-quality materials to resist cracking and failure, providing a more durable solution than stock plastic tanks.
  • Improved Cooling System Integrity: Helps maintain proper coolant levels and system pressure, crucial for preventing engine overheating and damage.
  • Stylish Gloss Black Finish: Features a sleek gloss black powder coat for a custom, high-performance look in your engine bay.
  • Broad Duramax Compatibility: Fits a wide range of Duramax engines from 2001 to 2007, including LB7, LLY, and LBZ variants.

The coolant reservoir is a vital component of your truck's cooling system, managing coolant expansion and ensuring adequate fluid levels. This Wehrli kit provides a superior alternative to the OEM plastic tank, which can become brittle and prone to leaks over time. By upgrading to this durable and stylish tank, you enhance the reliability and appearance of your Duramax. It's an essential upgrade for any diesel enthusiast seeking quality and performance.

Purchase your Wehrli Coolant Tank Kit from GGCRACING today.

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2006 Chevrolet Silverado 2500 HD LS
2001-2006 Chevrolet Silverado 2500 HD LT
2004-2006 Chevrolet Silverado 2500 HD WT
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2006 Chevrolet Silverado 3500 LS
2001-2006 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2001-2002 GMC Sierra 2500 HD SL
2001-2006 GMC Sierra 2500 HD SLE
2001-2006 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2006 GMC Sierra 2500 HD SL
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
2001-2002 GMC Sierra 3500 SL
2001-2006 GMC Sierra 3500 SLT
2002-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 WT
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

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 OEM Placement Coolant Tank Kit for 2001-2007 Duramax LB7/LLY/LBZ

Ensure the longevity and performance of your Duramax engine with the Wehrli OEM Placement Coolant Tank Kit. Designed for 2001-2007 Chevrolet Silverado/GMC Sierra 2500 HD/3500 HD trucks equipped with the 6.6L LB7, LLY, or LBZ Duramax engines, this kit offers a robust and reliable replacement for your factory coolant reservoir.

Key Features and Benefits:

  • Direct OEM Fitment: Engineered to install seamlessly into the original location, simplifying the replacement process.
  • Enhanced Durability: Constructed from high-quality materials to resist cracking and failure, providing a more durable solution than stock plastic tanks.
  • Improved Cooling System Integrity: Helps maintain proper coolant levels and system pressure, crucial for preventing engine overheating and damage.
  • Stylish Gloss Black Finish: Features a sleek gloss black powder coat for a custom, high-performance look in your engine bay.
  • Broad Duramax Compatibility: Fits a wide range of Duramax engines from 2001 to 2007, including LB7, LLY, and LBZ variants.

The coolant reservoir is a vital component of your truck's cooling system, managing coolant expansion and ensuring adequate fluid levels. This Wehrli kit provides a superior alternative to the OEM plastic tank, which can become brittle and prone to leaks over time. By upgrading to this durable and stylish tank, you enhance the reliability and appearance of your Duramax. It's an essential upgrade for any diesel enthusiast seeking quality and performance.

Purchase your Wehrli Coolant Tank Kit from GGCRACING today.

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2006 Chevrolet Silverado 2500 HD LS
2001-2006 Chevrolet Silverado 2500 HD LT
2004-2006 Chevrolet Silverado 2500 HD WT
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2006 Chevrolet Silverado 3500 LS
2001-2006 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2001-2002 GMC Sierra 2500 HD SL
2001-2006 GMC Sierra 2500 HD SLE
2001-2006 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2006 GMC Sierra 2500 HD SL
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
2001-2002 GMC Sierra 3500 SL
2001-2006 GMC Sierra 3500 SLT
2002-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 WT
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

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