# Eaton Detroit Truetrac Differential 33 Spline 1.37in Axle Shaft Diameter Front 9.25in Rear 9.5in The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle. - Optimized Torque Bias Ratios Deliver Max Acceleration And Handling - No Special Lubrication Or Friction Modifiers Needed - Helical Gear Limited Slip Differential - Durable; Smooth; Quiet Operation - Works In Forward And Reverse - Ideal For Most Vehicles - Automatic Engagement This Part Fits: Year Make Model Submodel 1985-2005 Chevrolet Astro Base 1985-1995 Chevrolet Astro CL 1985-1995 Chevrolet Astro CS 1996-2005 Chevrolet Astro LS 1987-2005 Chevrolet Astro LT 2013 Chevrolet Avalanche Black Diamond LS 2013 Chevrolet Avalanche Black Diamond LT 2013 Chevrolet Avalanche Black Diamond LTZ 2007-2012 Chevrolet Avalanche LS 2007-2012 Chevrolet Avalanche LT 2007-2012 Chevrolet Avalanche LTZ 2002-2005 Chevrolet Avalanche 1500 Base 2005-2006 Chevrolet Avalanche 1500 LS 2005-2006 Chevrolet Avalanche 1500 LT 2002-2003 Chevrolet Avalanche 1500 North Face 2002-2003 Chevrolet Avalanche 1500 On Road Edition 2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2002-2006 Chevrolet Avalanche 1500 Z71 2002-2004 Chevrolet Avalanche 2500 Base 2005-2006 Chevrolet Avalanche 2500 LS 2005-2006 Chevrolet Avalanche 2500 LT 1990-1993 Chevrolet C1500 454 SS 1994-1997 Chevrolet C1500 Base 1988-1998 Chevrolet C1500 Cheyenne 1999 Chevrolet C1500 LS 1988-1992 Chevrolet C1500 Scottsdale 1988-1998 Chevrolet C1500 Silverado 1990-1998 Chevrolet C1500 WT 1997-1999 Chevrolet C1500 Suburban Base 1997-1999 Chevrolet C1500 Suburban LS 1997,1999 Chevrolet C1500 Suburban LT 1979-1981 Chevrolet C20 Cheyenne 1981-1986 Chevrolet C20 Custom 1979-1980 Chevrolet C20 Custom Deluxe 1981 Chevrolet C20 Deluxe 1979-1986 Chevrolet C20 Scottsdale 1979-1986 Chevrolet C20 Silverado 1981-1986 Chevrolet C20 Suburban Custom 1979-1980 Chevrolet C20 Suburban Custom Deluxe 1981 Chevrolet C20 Suburban Deluxe 1979-1980,1982,1984-1986 Chevrolet C20 Suburban Scottsdale 1979-1980,1982-1986 Chevrolet C20 Suburban Silverado 1994-1997,1999-2000 Chevrolet C2500 Base 1988-1998 Chevrolet C2500 Cheyenne 1999-2000 Chevrolet C2500 LS 1988-1992 Chevrolet C2500 Scottsdale 1988-1998 Chevrolet C2500 Silverado 1994-1995,1998 Chevrolet C2500 WT 1996-1997 Chevrolet C2500 Suburban Base 1996-1997 Chevrolet C2500 Suburban LS 1996-1997 Chevrolet C2500 Suburban LT 1996-2014 Chevrolet Express 1500 Base 1996-2014 Chevrolet Express 1500 LS 2001-2002,2006-2014 Chevrolet Express 1500 LT 1996-2013 Chevrolet Express 2500 Base 1996-2013 Chevrolet Express 2500 LS 2006-2013 Chevrolet Express 2500 LT 1996-2014 Chevrolet Express 3500 Base 1996-2014 Chevrolet Express 3500 LS 2006-2014 Chevrolet Express 3500 LT 1983 Chevrolet G10 Base 1981-1995 Chevrolet G10 Beauville 1981-1984,1986-1987 Chevrolet G10 Bonaventure 1981-1995 Chevrolet G10 Chevy Van 1981-1995 Chevrolet G10 Sportvan 1979-1995 Chevrolet G20 Beauville 1983-1984 Chevrolet G20 Bonaventure 1979-1995 Chevrolet G20 Chevy Van 1979-1981 Chevrolet G20 Nomad 1979-1995 Chevrolet G20 Sportvan 1979-1996 Chevrolet G30 Beauville 1983-1984 Chevrolet G30 Bonaventure 1979-1996 Chevrolet G30 Chevy Van 1979-1996 Chevrolet G30 Hi-Cube 1979-1996 Chevrolet G30 Sportvan 1994-1997 Chevrolet K1500 Base 1988-1998 Chevrolet K1500 Cheyenne 1999 Chevrolet K1500 LS 1988-1992 Chevrolet K1500 Scottsdale 1988-1998 Chevrolet K1500 Silverado 1991 Chevrolet K1500 Sport 1990-1998 Chevrolet K1500 WT 1997-1999 Chevrolet K1500 Suburban Base 1997-1999 Chevrolet K1500 Suburban LS 1997,1999 Chevrolet K1500 Suburban LT 1979-1981 Chevrolet K20 Cheyenne 1981-1986 Chevrolet K20 Custom 1979-1980 Chevrolet K20 Custom Deluxe 1981 Chevrolet K20 Deluxe 1979-1986 Chevrolet K20 Scottsdale 1979-1983,1985-1986 Chevrolet K20 Silverado 1981-1986 Chevrolet K20 Suburban Custom 1979-1980 Chevrolet K20 Suburban Custom Deluxe 1981 Chevrolet K20 Suburban Deluxe 1979-1980,1982,1984-1986 Chevrolet K20 Suburban Scottsdale 1979-1980,1982-1983,1985-1986 Chevrolet K20 Suburban Silverado 1994-1997,1999-2000 Chevrolet K2500 Base 1988-1998 Chevrolet K2500 Cheyenne 1999-2000 Chevrolet K2500 LS 1988-1992 Chevrolet K2500 Scottsdale 1988-1998 Chevrolet K2500 Silverado 1994-1995,1998 Chevrolet K2500 WT 1992-1999 Chevrolet K2500 Suburban Base 1995-1999 Chevrolet K2500 Suburban LS 1995-1997 Chevrolet K2500 Suburban LT 1992-1994 Chevrolet K2500 Suburban Silverado 1990-1996 Chevrolet Lumina APV Base 1990-1992 Chevrolet Lumina APV CL 1993-1996 Chevrolet Lumina APV LS 1988 Chevrolet R20 Cheyenne 1987-1988 Chevrolet R20 Custom Deluxe 1987-1988 Chevrolet R20 Scottsdale 1987-1988 Chevrolet R20 Silverado 1987 Chevrolet R20 Suburban Custom Deluxe 1987-1988 Chevrolet R20 Suburban Scottsdale 1987-1988 Chevrolet R20 Suburban Silverado 1989-1991 Chevrolet R2500 Suburban Scottsdale 1989-1991 Chevrolet R2500 Suburban Silverado 1999-2005 Chevrolet Silverado 1500 Base 2004-2006,2009-2013 Chevrolet Silverado 1500 Hybrid 1999-2013 Chevrolet Silverado 1500 LS 1999-2013 Chevrolet Silverado 1500 LT 2007-2013 Chevrolet Silverado 1500 LTZ 2003-2006 Chevrolet Silverado 1500 SS 2002-2013 Chevrolet Silverado 1500 WT 2010-2013 Chevrolet Silverado 1500 XFE 2004-2005 Chevrolet Silverado 1500 Z71 Off-Road 2007 Chevrolet Silverado 1500 Classic Hybrid 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic LT 2007 Chevrolet Silverado 1500 Classic SS 2007 Chevrolet Silverado 1500 Classic WT 2005 Chevrolet Silverado 1500 HD Base 2001-2003,2005 Chevrolet Silverado 1500 HD LS 2001-2003,2005-2006 Chevrolet Silverado 1500 HD LT 2007 Chevrolet Silverado 1500 HD Classic LT 1999-2004 Chevrolet Silverado 2500 Base 1999-2004 Chevrolet Silverado 2500 LS 1999-2004 Chevrolet Silverado 2500 LT 2004 Chevrolet Silverado 2500 WT 2001-2005 Chevrolet Silverado 2500 HD Base 2001-2006 Chevrolet Silverado 2500 HD LS 2001-2012 Chevrolet Silverado 2500 HD LT 2007-2012 Chevrolet Silverado 2500 HD LTZ 2003-2012 Chevrolet Silverado 2500 HD WT 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 2004,2006 Chevrolet Silverado 3500 WT 2007 Chevrolet Silverado 3500 Classic LS 2007 Chevrolet Silverado 3500 Classic LT 2007 Chevrolet Silverado 3500 Classic WT 2007-2012 Chevrolet Silverado 3500 HD LT 2007-2012 Chevrolet Silverado 3500 HD LTZ 2007-2012 Chevrolet Silverado 3500 HD WT 2003-2006 Chevrolet SSR Base 2000-2001,2006 Chevrolet Suburban 1500 Base 2000-2014 Chevrolet Suburban 1500 LS 2000-2014 Chevrolet Suburban 1500 LT 2006-2014 Chevrolet Suburban 1500 LTZ 2002-2006 Chevrolet Suburban 1500 Z71 2000-2001 Chevrolet Suburban 2500 Base 2000-2013 Chevrolet Suburban 2500 LS 2000-2013 Chevrolet Suburban 2500 LT 2007 Chevrolet Suburban 2500 LTZ 1997-2001,2006 Chevrolet Tahoe Base 2008-2013 Chevrolet Tahoe Hybrid 2000 Chevrolet Tahoe Limited 1997-2013 Chevrolet Tahoe LS 1997-2013 Chevrolet Tahoe LT 2007-2013 Chevrolet Tahoe LTZ 2007-2013 Chevrolet Tahoe PPV 2012-2013 Chevrolet Tahoe SSV 2000,2002-2006 Chevrolet Tahoe Z71 2005-2008 Chevrolet Uplander Base 2005-2008 Chevrolet Uplander LS 2005-2008 Chevrolet Uplander LT 1987 Chevrolet V20 Custom Deluxe 1987 Chevrolet V20 Scottsdale 1987 Chevrolet V20 Silverado 1987 Chevrolet V20 Suburban Custom Deluxe 1987-1988 Chevrolet V20 Suburban Scottsdale 1987-1988 Chevrolet V20 Suburban Silverado 1989-1991 Chevrolet V2500 Suburban Scottsdale 1989-1991 Chevrolet V2500 Suburban Silverado 1997-2000,2002 Chevrolet Venture Base 1997-2005 Chevrolet Venture LS 2000-2005 Chevrolet Venture LT 2000-2005 Chevrolet Venture Plus 2000-2003 Chevrolet Venture Value 2000-2003 Chevrolet Venture Warner Bros. 1988-1993 GMC C1500 Sierra 1997 GMC C1500 Sierra GT 1994-1999 GMC C1500 Sierra SL 1988-1999 GMC C1500 Sierra SLE 1994-1999 GMC C1500 Sierra SLT ## Details - **Price:** 1150.08 CAD - **Vendor:** Eaton - **Type:** Differentials ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1150.08 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - Primary - Photo - Unmounted - Photo - Unmounted --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/eaton-detroit-truetrac-differential-33-spline-1-37in-axle-shaft-diameter-front-9-25in-rear-9-5in) > Updated: 2026-06-27