# Eaton Detroit Truetrac Differential GM 10.5in 14 Bolt 30 Spline 4.10 & Down Ratio 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 2002-2004 Chevrolet Avalanche 2500 Base 2005-2006 Chevrolet Avalanche 2500 LS 2005-2006 Chevrolet Avalanche 2500 LT 1973-1974 Chevrolet C20 Suburban Base 1981-1986 Chevrolet C20 Suburban Custom 1975-1980 Chevrolet C20 Suburban Custom Deluxe 1981 Chevrolet C20 Suburban Deluxe 1975-1980,1982,1984-1986 Chevrolet C20 Suburban Scottsdale 1975-1977,1979-1980,1982-1986 Chevrolet C20 Suburban Silverado 1994-1997 Chevrolet C3500 Base 1988-1998 Chevrolet C3500 Cheyenne 1988-1992 Chevrolet C3500 Scottsdale 1988-1998 Chevrolet C3500 Silverado 1996-2012 Chevrolet Express 1500 Base 1996-2012 Chevrolet Express 1500 LS 2001-2002,2006-2012 Chevrolet Express 1500 LT 1996-2012 Chevrolet Express 2500 Base 1996-2012 Chevrolet Express 2500 LS 2006-2012 Chevrolet Express 2500 LT 1996-2012 Chevrolet Express 3500 Base 1996-2012 Chevrolet Express 3500 LS 2006-2012 Chevrolet Express 3500 LT 1983 Chevrolet G10 Base 1975-1995 Chevrolet G10 Beauville 1981-1984,1986-1987 Chevrolet G10 Bonaventure 1975-1995 Chevrolet G10 Chevy Van 1975-1995 Chevrolet G10 Sportvan 1972-1974 Chevrolet G10 Van Base 1972-1974 Chevrolet G10 Van Sportvan 1975-1995 Chevrolet G20 Beauville 1983-1984 Chevrolet G20 Bonaventure 1975-1995 Chevrolet G20 Chevy Van 1978-1981 Chevrolet G20 Nomad 1975-1995 Chevrolet G20 Sportvan 1972-1974 Chevrolet G20 Van Base 1972-1974 Chevrolet G20 Van Sportvan 1975-1996 Chevrolet G30 Beauville 1983-1984 Chevrolet G30 Bonaventure 1975-1996 Chevrolet G30 Chevy Van 1975-1996 Chevrolet G30 Hi-Cube 1975-1996 Chevrolet G30 Sportvan 1972-1974 Chevrolet G30 Van Base 1972-1974 Chevrolet G30 Van Sportvan 1994-1997,1999-2000 Chevrolet K3500 Base 1988-1998 Chevrolet K3500 Cheyenne 1999-2000 Chevrolet K3500 LS 1988-1992 Chevrolet K3500 Scottsdale 1988-1998 Chevrolet K3500 Silverado 1990-1996 Chevrolet Lumina APV Base 1990-1992 Chevrolet Lumina APV CL 1993-1996 Chevrolet Lumina APV LS 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 2005-2008 Chevrolet Uplander Base 2005-2008 Chevrolet Uplander LS 2005-2008 Chevrolet Uplander LT 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. 1975-1978 GMC G15 Rally 1975-1978 GMC G15 Rally STX 1975-1978 GMC G15 Vandura 1972-1974 GMC G15/G1500 Van Rally 1972-1974 GMC G15/G1500 Van Vandura 1979-1995 GMC G1500 Rally 1983-1984 GMC G1500 Rally Custom 1979-1995 GMC G1500 Rally STX 1979-1995 GMC G1500 Vandura 1975-1978 GMC G25 Rally 1975-1978 GMC G25 Rally STX 1975-1978 GMC G25 Vandura 1972 GMC G25/G2500 Van Base 1972-1974 GMC G25/G2500 Van Rally 1972-1974 GMC G25/G2500 Van Vandura 1979-1995 GMC G2500 Rally 1983-1984 GMC G2500 Rally Custom 1979-1995 GMC G2500 Rally STX 1979-1995 GMC G2500 Vandura 1975-1978 GMC G35 Magnavan 1975-1978 GMC G35 Rally 1975-1978 GMC G35 Rally Camper Special 1975-1978 GMC G35 Rally STX 1975-1978 GMC G35 Vandura 1975-1978 GMC G35 Vandura Special 1974 GMC G35/G3500 Van Base 1972-1974 GMC G35/G3500 Van Rally 1972-1974 GMC G35/G3500 Van Vandura 1979-1996 GMC G3500 Magnavan 1979-1996 GMC G3500 Rally 1979-1996 GMC G3500 Rally Camper Special 1981-1988 GMC G3500 Rally Custom 1979-1996 GMC G3500 Rally STX 1979-1996 GMC G3500 Vandura 1979-1996 GMC G3500 Vandura Special 1988-1993 GMC K2500 Sierra 1994-1997 GMC K2500 Sierra SL 1988-1997 GMC K2500 Sierra SLE 1994-1997 GMC K2500 Sierra SLT 1988-1993 GMC K2500 Sierra SLX 1974 GMC P35/P3500 Van Motorhome 1987-1990 GMC R3500 Base 1987-1989 GMC R3500 High Sierra 1987-1989 GMC R3500 Sierra Classic 1990 GMC R3500 SLE 1985-1997,2003-2005 GMC Safari Base 1993 GMC Safari GT 1985-1987,1995-2002 GMC Safari SL 1985-2005 GMC Safari SLE 1987-2005 GMC Safari SLT 1985-1990,1994-1998 GMC Safari SLX 1996-2012 GMC Savana 1500 Base 2006-2012 GMC Savana 1500 LS 2006-2012 GMC Savana 1500 LT 1996-2000,2003-2005 GMC Savana 1500 SLE 2001-2002 GMC Savana 1500 SLT 1996-2012 GMC Savana 2500 Base 2007-2012 GMC Savana 2500 LS 2007-2012 GMC Savana 2500 LT 1996-2000,2003-2005 GMC Savana 2500 SLE 2002 GMC Savana 2500 SLT 1996-2012 GMC Savana 3500 Base 2006-2012 GMC Savana 3500 LS 2006-2012 GMC Savana 3500 LT 1996-2000,2003-2005 GMC Savana 3500 SLE 2001-2002 GMC Savana 3500 SLT 2001 GMC Sierra 1500 C3 2002-2004 GMC Sierra 2500 Base 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE 1999-2004 GMC Sierra 2500 SLT 2003-2004 GMC Sierra 2500 WT 2002-2005 GMC Sierra 2500 HD Base 2011-2012 GMC Sierra 2500 HD Denali 2001-2002,2006 GMC Sierra 2500 HD SL 2001-2012 GMC Sierra 2500 HD SLE 2001-2012 GMC Sierra 2500 HD SLT 2003-2012 GMC Sierra 2500 HD WT 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 2002-2005 GMC Sierra 3500 Base 2001-2002,2006 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE 2001-2006 GMC Sierra 3500 SLT 2004-2006 GMC Sierra 3500 WT 2007 GMC Sierra 3500 Classic SL 2007 GMC Sierra 3500 Classic SLE 2007 GMC Sierra 3500 Classic SLT 2007 GMC Sierra 3500 Classic WT 2011-2012 GMC Sierra 3500 HD Denali 2007-2012 GMC Sierra 3500 HD SLE 2007-2012 GMC Sierra 3500 HD SLT 2007-2012 GMC Sierra 3500 HD WT 1973-1974 GMC Transmode Base 1987-1990 GMC V3500 Base 1987-1989 GMC V3500 High Sierra 1987-1989 GMC V3500 Sierra Classic 1990 GMC V3500 SLE 2000-2010 GMC Yukon XL 2500 SLE 2000-2010 GMC Yukon XL 2500 SLT ## Details - **Price:** 1431.31 CAD - **Vendor:** Eaton - **Type:** Differentials ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1431.31 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - Primary - Photo - Unmounted --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/eaton-detroit-truetrac-differential-gm-10-5in-14-bolt-30-spline-4-10-down-ratio) > Updated: 2026-06-27