Eaton Detroit Truetrac Differential 30 Spline 11.5in — Fits 01-12 GM Trucks/Vans

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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 Eaton

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

Superior Traction with Eaton Detroit Truetrac

The Eaton Detroit Truetrac is the industry-leading helical-gear style, limited-slip differential designed to provide maximum traction in all driving conditions. Whether you are towing heavy loads or navigating off-road terrain, the Truetrac ensures power is delivered to the wheels with the most grip, enhancing vehicle stability and performance.

Key Features and Benefits

  • Maintenance-Free: No clutch packs to wear out or replace.
  • Automatic Operation: Smooth, quiet engagement in both forward and reverse.
  • Helical-Gear Design: Provides instant torque bias without driver intervention.
  • Durability: Built to handle the high-torque demands of GM 11.5in axles.

This differential is the ideal upgrade for 2001-2012 Chevrolet Express and GMC Savana vans, as well as various 2500/3500 HD truck platforms. Its robust construction makes it a favorite for work trucks and performance builds alike. By eliminating the need for friction modifiers and periodic rebuilds, the Detroit Truetrac offers a "set it and forget it" solution that improves your vehicle's handling characteristics significantly. The seamless transition between open and locked states ensures that you maintain control during cornering and acceleration. If you are looking to upgrade your drivetrain for better reliability and off-the-line performance, the Eaton Detroit Truetrac is the gold standard. Find your perfect drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Astro Base
2001-2005 Chevrolet Astro LS
2001-2005 Chevrolet Astro LT
2001-2002 Chevrolet Express 1500 LT
2001-2012 Chevrolet Express 1500 Base
2001-2012 Chevrolet Express 1500 LS
2006-2012 Chevrolet Express 1500 LT
2001-2012 Chevrolet Express 2500 Base
2001-2012 Chevrolet Express 2500 LS
2006-2012 Chevrolet Express 2500 LT
2001-2012 Chevrolet Express 3500 Base
2001-2012 Chevrolet Express 3500 LS
2006-2012 Chevrolet Express 3500 LT
2001-2004 Chevrolet Silverado 2500 Base
2001-2004 Chevrolet Silverado 2500 LS
2001-2004 Chevrolet Silverado 2500 LT
2004 Chevrolet Silverado 2500 WT
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2006 Chevrolet Silverado 2500 HD LS
2001-2019 Chevrolet Silverado 2500 HD LT
2003-2019 Chevrolet Silverado 2500 HD WT
2007-2019 Chevrolet Silverado 2500 HD LTZ
2015-2019 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
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 LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2019 Chevrolet Silverado 3500 HD LT
2007-2019 Chevrolet Silverado 3500 HD LTZ
2007-2019 Chevrolet Silverado 3500 HD WT
2015-2019 Chevrolet Silverado 3500 HD High Country
2005-2008 Chevrolet Uplander Base
2005-2008 Chevrolet Uplander LS
2005-2008 Chevrolet Uplander LT
2001-2003 Chevrolet Venture Value
2001-2003 Chevrolet Venture Warner Bros.
2001-2005 Chevrolet Venture LT
2001-2005 Chevrolet Venture Plus
2001-2005 Chevrolet Venture LS
2002 Chevrolet Venture Base
2003-2007 Chrysler PT Cruiser GT
2003-2009 Chrysler PT Cruiser Base
2003-2009 Chrysler PT Cruiser Limited
2003-2009 Chrysler PT Cruiser Touring
2005 Chrysler PT Cruiser Dream Cruiser
2005-2006 Chrysler PT Cruiser Street Cruiser
2008-2009 Chrysler PT Cruiser LX
2010 Chrysler PT Cruiser Classic
2010 Chrysler PT Cruiser Couture Edition
2003 Chrysler Town & Country EL
2003 Chrysler Town & Country LXi
2003-2004 Chrysler Town & Country EX
2003-2007 Chrysler Town & Country Base

…and 121 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Eaton

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

Superior Traction with Eaton Detroit Truetrac

The Eaton Detroit Truetrac is the industry-leading helical-gear style, limited-slip differential designed to provide maximum traction in all driving conditions. Whether you are towing heavy loads or navigating off-road terrain, the Truetrac ensures power is delivered to the wheels with the most grip, enhancing vehicle stability and performance.

Key Features and Benefits

  • Maintenance-Free: No clutch packs to wear out or replace.
  • Automatic Operation: Smooth, quiet engagement in both forward and reverse.
  • Helical-Gear Design: Provides instant torque bias without driver intervention.
  • Durability: Built to handle the high-torque demands of GM 11.5in axles.

This differential is the ideal upgrade for 2001-2012 Chevrolet Express and GMC Savana vans, as well as various 2500/3500 HD truck platforms. Its robust construction makes it a favorite for work trucks and performance builds alike. By eliminating the need for friction modifiers and periodic rebuilds, the Detroit Truetrac offers a "set it and forget it" solution that improves your vehicle's handling characteristics significantly. The seamless transition between open and locked states ensures that you maintain control during cornering and acceleration. If you are looking to upgrade your drivetrain for better reliability and off-the-line performance, the Eaton Detroit Truetrac is the gold standard. Find your perfect drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Astro Base
2001-2005 Chevrolet Astro LS
2001-2005 Chevrolet Astro LT
2001-2002 Chevrolet Express 1500 LT
2001-2012 Chevrolet Express 1500 Base
2001-2012 Chevrolet Express 1500 LS
2006-2012 Chevrolet Express 1500 LT
2001-2012 Chevrolet Express 2500 Base
2001-2012 Chevrolet Express 2500 LS
2006-2012 Chevrolet Express 2500 LT
2001-2012 Chevrolet Express 3500 Base
2001-2012 Chevrolet Express 3500 LS
2006-2012 Chevrolet Express 3500 LT
2001-2004 Chevrolet Silverado 2500 Base
2001-2004 Chevrolet Silverado 2500 LS
2001-2004 Chevrolet Silverado 2500 LT
2004 Chevrolet Silverado 2500 WT
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2006 Chevrolet Silverado 2500 HD LS
2001-2019 Chevrolet Silverado 2500 HD LT
2003-2019 Chevrolet Silverado 2500 HD WT
2007-2019 Chevrolet Silverado 2500 HD LTZ
2015-2019 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
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 LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2019 Chevrolet Silverado 3500 HD LT
2007-2019 Chevrolet Silverado 3500 HD LTZ
2007-2019 Chevrolet Silverado 3500 HD WT
2015-2019 Chevrolet Silverado 3500 HD High Country
2005-2008 Chevrolet Uplander Base
2005-2008 Chevrolet Uplander LS
2005-2008 Chevrolet Uplander LT
2001-2003 Chevrolet Venture Value
2001-2003 Chevrolet Venture Warner Bros.
2001-2005 Chevrolet Venture LT
2001-2005 Chevrolet Venture Plus
2001-2005 Chevrolet Venture LS
2002 Chevrolet Venture Base
2003-2007 Chrysler PT Cruiser GT
2003-2009 Chrysler PT Cruiser Base
2003-2009 Chrysler PT Cruiser Limited
2003-2009 Chrysler PT Cruiser Touring
2005 Chrysler PT Cruiser Dream Cruiser
2005-2006 Chrysler PT Cruiser Street Cruiser
2008-2009 Chrysler PT Cruiser LX
2010 Chrysler PT Cruiser Classic
2010 Chrysler PT Cruiser Couture Edition
2003 Chrysler Town & Country EL
2003 Chrysler Town & Country LXi
2003-2004 Chrysler Town & Country EX
2003-2007 Chrysler Town & Country Base

…and 121 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Eaton

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

Superior Traction with Eaton Detroit Truetrac

The Eaton Detroit Truetrac is the industry-leading helical-gear style, limited-slip differential designed to provide maximum traction in all driving conditions. Whether you are towing heavy loads or navigating off-road terrain, the Truetrac ensures power is delivered to the wheels with the most grip, enhancing vehicle stability and performance.

Key Features and Benefits

  • Maintenance-Free: No clutch packs to wear out or replace.
  • Automatic Operation: Smooth, quiet engagement in both forward and reverse.
  • Helical-Gear Design: Provides instant torque bias without driver intervention.
  • Durability: Built to handle the high-torque demands of GM 11.5in axles.

This differential is the ideal upgrade for 2001-2012 Chevrolet Express and GMC Savana vans, as well as various 2500/3500 HD truck platforms. Its robust construction makes it a favorite for work trucks and performance builds alike. By eliminating the need for friction modifiers and periodic rebuilds, the Detroit Truetrac offers a "set it and forget it" solution that improves your vehicle's handling characteristics significantly. The seamless transition between open and locked states ensures that you maintain control during cornering and acceleration. If you are looking to upgrade your drivetrain for better reliability and off-the-line performance, the Eaton Detroit Truetrac is the gold standard. Find your perfect drivetrain components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Astro Base
2001-2005 Chevrolet Astro LS
2001-2005 Chevrolet Astro LT
2001-2002 Chevrolet Express 1500 LT
2001-2012 Chevrolet Express 1500 Base
2001-2012 Chevrolet Express 1500 LS
2006-2012 Chevrolet Express 1500 LT
2001-2012 Chevrolet Express 2500 Base
2001-2012 Chevrolet Express 2500 LS
2006-2012 Chevrolet Express 2500 LT
2001-2012 Chevrolet Express 3500 Base
2001-2012 Chevrolet Express 3500 LS
2006-2012 Chevrolet Express 3500 LT
2001-2004 Chevrolet Silverado 2500 Base
2001-2004 Chevrolet Silverado 2500 LS
2001-2004 Chevrolet Silverado 2500 LT
2004 Chevrolet Silverado 2500 WT
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2006 Chevrolet Silverado 2500 HD LS
2001-2019 Chevrolet Silverado 2500 HD LT
2003-2019 Chevrolet Silverado 2500 HD WT
2007-2019 Chevrolet Silverado 2500 HD LTZ
2015-2019 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
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 LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2019 Chevrolet Silverado 3500 HD LT
2007-2019 Chevrolet Silverado 3500 HD LTZ
2007-2019 Chevrolet Silverado 3500 HD WT
2015-2019 Chevrolet Silverado 3500 HD High Country
2005-2008 Chevrolet Uplander Base
2005-2008 Chevrolet Uplander LS
2005-2008 Chevrolet Uplander LT
2001-2003 Chevrolet Venture Value
2001-2003 Chevrolet Venture Warner Bros.
2001-2005 Chevrolet Venture LT
2001-2005 Chevrolet Venture Plus
2001-2005 Chevrolet Venture LS
2002 Chevrolet Venture Base
2003-2007 Chrysler PT Cruiser GT
2003-2009 Chrysler PT Cruiser Base
2003-2009 Chrysler PT Cruiser Limited
2003-2009 Chrysler PT Cruiser Touring
2005 Chrysler PT Cruiser Dream Cruiser
2005-2006 Chrysler PT Cruiser Street Cruiser
2008-2009 Chrysler PT Cruiser LX
2010 Chrysler PT Cruiser Classic
2010 Chrysler PT Cruiser Couture Edition
2003 Chrysler Town & Country EL
2003 Chrysler Town & Country LXi
2003-2004 Chrysler Town & Country EX
2003-2007 Chrysler Town & Country Base

…and 121 additional fitments. Contact us to confirm yours.

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