Eaton Differential Carrier Detroit Truetrac (MPN: 913A481)

Advanced helical-gear differential for enhanced traction and handling

The Eaton Detroit Truetrac is a helical-gear style performance differential designed to improve wheel traction and driving dynamics. This limited-slip differential is engineered for high-horsepower racing vehicles, providing smooth and automatic engagement without requiring driver intervention. The robust construction features helical-style pinion gears that ensure validated performance and durability under demanding conditions.

Designed for GM 10 Bolt 8.5 and 8.6 inch ring gear axles, the Truetrac operates effectively with a 30 spline count and is suitable for gear ratios of 2.73 and higher. The use of high-quality steel in its construction contributes to its reliability and longevity. This differential is an essential component for those seeking to enhance their vehicle's performance and handling capabilities.

Features

• Maximizes Wheel Traction And Enhances Driving And Handling Characteristics
• Smooth And Automatic Engagement - No Driver Action Needed
• Helical-Style Pinion Gears
• High-Horsepower Racing Vehicles
• Validated Performance And Durability
• Limited-Slip Operation

Specifications

• Manufacturer: Eaton TCPD
• Manufacturer Part Number: 913A481
• Axle Model: GM 8.5 Inch/ 8.6 Inch
• Type: Limited Slip
• Spline Count: 30
• Gear Ratio: 2.73
• Material: Steel
• Journal Size: 1.32 Inch

Compatibility / Fit

• 1991-1996 Buick Commercial Chassis
• 1988-1989 Buick Electra
• 1988-1990 Buick LeSabre
• 1991-1996 Buick Roadmaster
• 1988-1992 Cadillac Brougham
• 1992-1996 Cadillac Commercial Chassis
• 1999-2000 Cadillac Escalade
• 2002-2014 Cadillac Escalade
• 2003-2014 Cadillac Escalade ESV
• 2002-2013 Cadillac Escalade EXT
• 1993-1996 Cadillac Fleetwood
• 1988-1996 Chevrolet Astro
• 2007-2013 Chevrolet Avalanche
• 2002-2006 Chevrolet Avalanche 1500
• 1988-2005 Chevrolet Blazer
• 1988-1999 Chevrolet C1500
• 1992-1999 Chevrolet C1500 Suburban
• 1988-1991 Chevrolet C2500
• 1988-1996 Chevrolet Camaro
• 1988-1996 Chevrolet Caprice
• 2004-2012 Chevrolet Colorado
• 1996-2006 Chevrolet Express 1500
• 1996-2002 Chevrolet Express 2500
• 1988-1995 Chevrolet G10
• 1988-1995 Chevrolet G20
• 1994-1996 Chevrolet Impala
• 1988-1999 Chevrolet K1500
• 1992-1999 Chevrolet K1500 Suburban
• 1988-1991 Chevrolet K2500
• 1988-1991 Chevrolet K3500
• 1988-1988 Chevrolet Monte Carlo
• 1988-1989 Chevrolet P20
• 1988-1988 Chevrolet R10 Suburban
• 1989-1991 Chevrolet R1500 Suburban
• 1988-1988 Chevrolet R20
• 1988-1988 Chevrolet R20 Suburban
• 1989-1989 Chevrolet R2500
• 1989-1991 Chevrolet R2500 Suburban
• 1988-1996 Chevrolet S10
• 1988-1994 Chevrolet S10 Blazer
• 1999-2013 Chevrolet Silverado 1500
• 2007-2007 Chevrolet Silverado 1500 Classic
• 2001-2003 Chevrolet Silverado 1500 HD
• 2005-2006 Chevrolet Silverado 1500 HD
• 2007-2007 Chevrolet Silverado 1500 HD Classic
• 2000-2014 Chevrolet Suburban 1500
• 1995-2014 Chevrolet Tahoe
• 2002-2009 Chevrolet Trailblazer
• 2002-2006 Chevrolet Trailblazer EXT
• 1988-1988 Chevrolet V10 Suburban
• 1989-1991 Chevrolet V1500 Suburban
• 1988-1988 Chevrolet V20 Suburban
• 1989-1991 Chevrolet V2500 Suburban
• 1988-1988 Chevrolet V30
• 1989-1991 Chevrolet V3500
• 1988-1999 GMC C1500
• 1992-1999 GMC C1500 Suburban
• 1988-1991 GMC C2500
• 2002-2009 GMC Envoy
• 2002-2006 GMC Envoy XL
• 2004-2005 GMC Envoy XUV
• 1988-1995 GMC G1500
• 1988-1995 GMC G2500
• 1988-1996 GMC Jimmy
• 1988-1999 GMC K1500
• 1992-1999 GMC K1500 Suburban
• 1988-1991 GMC K2500
• 1988-1991 GMC K3500
• 1988-1989 GMC P2500
• 1988-1991 GMC R1500 Suburban
• 1988-1989 GMC R2500
• 1988-1991 GMC R2500 Suburban
• 1988-1990 GMC S15
• 1988-1991 GMC S15 Jimmy
• 1988-1996 GMC Safari
• 1996-2006 GMC Savana 1500
• 1996-2002 GMC Savana 2500
• 2006-2006 GMC Savana 2500
• 1999-2013 GMC Sierra 1500
• 2001-2003 GMC Sierra 1500 HD
• 2005-2006 GMC Sierra 1500 HD
• 2007-2007 GMC Sierra 1500 HD Classic
• 1991-1996 GMC Sonoma
• 1991-1991 GMC Syclone
• 1988-1991 GMC V1500 Suburban
• 1988-1991 GMC V2500 Suburban
• 1988-1991 GMC V3500
• 1992-2014 GMC Yukon
• 2000-2014 GMC Yukon XL 1500
• 2006-2009 Hummer H3
• 1991-1994 Oldsmobile Bravada
• 1996-1996 Oldsmobile Bravada
• 1988-1990 Oldsmobile Custom Cruiser
• 1988-1996 Pontiac Firebird
• 1988-1989 Pontiac Safari
• 2005-2007 Saab 9-7x

Technical Documents

• eaton-performance-differential-application-guide-en.pdf
• eaton-differential-warranty-en.pdf
• Eaton-Performance-Brochure-Web.pdf
• eaton-truetrac-differential-brochure-en.pdf
• Eaton-differentials-owners-manual.pdf
• Eaton-differentials-owners-manual.pdf
• eaton-performance-differential-application-guide-en.pdf