Eaton Detroit Truetrac Differential 30 Spline 1.32in Axle Shaft Dia 2.73 & Up Ratio Rear 8.5in/8.6in

The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. It remains the leading helical gear-type limited slip differential in the industry. Detroit Truetrac’s proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction recognized not only for its toughness, but its smooth and quiet operation as well.Proven design, low cost and effective performance all make the Detroit Truetrac limited slip differential the ideal choice for a wide variety of vehicle applications. No maintenance – Just Traction.This Part Fits: Year Make Model Submodel 1973-1975 Buick Apollo Base 1975 Buick Apollo SR 1988-1996 Buick Century Custom 1988-1989 Buick Century Estate Wagon 1988-1993,1996 Buick Century Limited 1991-1996 Buick Century Special 1991-1996 Buick Commercial Chassis Base 1988-1989 Buick Electra Estate Wagon 1988-1990 Buick Electra Limited 1988-1990 Buick Electra Park Avenue 1989-1990 Buick Electra Park Avenue Ultra 1988-1990 Buick Electra T-Type 1988-1991 Buick LeSabre Base 1988-1996 Buick LeSabre Custom 1988-1990 Buick LeSabre Estate Wagon 1988-1996 Buick LeSabre Limited 1991-1996 Buick Park Avenue Base 1991-1996 Buick Park Avenue Ultra 2004-2007 Buick Rainier CXL 2004-2005 Buick Rainier CXL Plus 1988-1991 Buick Reatta Base 1973-1987 Buick Regal Base 1988-1996 Buick Regal Custom 1982-1983 Buick Regal Estate Wagon 1987 Buick Regal GNX 1989-1996 Buick Regal Gran Sport 1984-1987 Buick Regal Grand National 1978-1996 Buick Regal Limited 1982 Buick Regal Limited Turbo 1996 Buick Regal Olympic Gold Edition 1978-1982 Buick Regal Sport 1976-1977 Buick Regal SR 1983-1986 Buick Regal T-Type 1975-1978,1995-1996 Buick Riviera Base 1975 Buick Riviera GS 1988-1993 Buick Riviera Luxury 1978 Buick Riviera LXXV Anniversary Edition 1976 Buick Riviera Sport 1976 Buick Riviera SR 1988-1989 Buick Riviera T-Type 1992-1995 Buick Roadmaster Base 1996 Buick Roadmaster Collector’s Edition 1991-1995 Buick Roadmaster Estate Wagon 1996 Buick Roadmaster Estate Wagon Collector’s Edition 1992-1995 Buick Roadmaster Limited 1996 Buick Roadmaster Limited Collector’s Edition 1988-1989 Buick Skyhawk Custom 1988-1989 Buick Skyhawk SE 1970,1972 Buick Skylark 350 1970-1972,1975-1979,1990-1991 Buick Skylark Base 1970-1972,1978-1979,1988-1996 Buick Skylark Custom 1990-1996 Buick Skylark Gran Sport 1988-1989,1993-1996 Buick Skylark Limited 1990-1991 Buick Skylark Luxury Edition 1996 Buick Skylark Olympic Gold Edition 1976-1979 Buick Skylark S 1978 Buick Skylark Sport 1975-1977 Buick Skylark SR 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 1988-1996 Chevrolet Beretta Base 1989-1993 Chevrolet Beretta GT 1990-1993 Chevrolet Beretta GTZ 1990 Chevrolet Beretta Indianapolis 500 Pace Car 1994-1996 Chevrolet Beretta Z26 1995-1999 Chevrolet Blazer Base 1996-2000 Chevrolet Blazer LS 1995-2000 Chevrolet Blazer LT 1999-2000 Chevrolet Blazer Trailblazer 1990-1993 Chevrolet C1500 454 SS 1994-1997 Chevrolet C1500 Base 1988-1998 Chevrolet C1500 Cheyenne 1988-1992 Chevrolet C1500 Scottsdale 1988-1998 Chevrolet C1500 Silverado 1990-1998 Chevrolet C1500 WT 1992-1998 Chevrolet C1500 Suburban Base 1995-1998 Chevrolet C1500 Suburban LS 1995-1997 Chevrolet C1500 Suburban LT 1992-1994 Chevrolet C1500 Suburban Silverado 1988,1993-1996 Chevrolet Camaro Base 1993 Chevrolet Camaro Indianapolis 500 Pace Car 1988-1990 Chevrolet Camaro Iroc-Z 1989-1992,1996 Chevrolet Camaro RS 1992 Chevrolet Camaro RS Heritage Edition 1991-1996 Chevrolet Camaro Z28 1992 Chevrolet Camaro Z28 Heritage Edition 1988-1992 Chevrolet Caprice Base 1988-1996 Chevrolet Caprice Classic 1988-1990 Chevrolet Caprice Classic Brougham 1993-1994 Chevrolet Caprice Classic LS 1988-1990 Chevrolet Caprice Classic LS Brougham 1991-1993 Chevrolet Caprice Classic LTZ 1988-1990,1995-1996 Chevrolet Cavalier Base 1995-1996 Chevrolet Cavalier LS 1988-1994 Chevrolet Cavalier RS 1988-1994 Chevrolet Cavalier VL 1988-1996 Chevrolet Cavalier Z24 1988-1990 Chevrolet Celebrity Base 1989 Chevrolet Celebrity CL 1988-1990 Chevrolet Celebrity Eurosport 2004 Chevrolet Colorado Base 2004,2006-2008 Chevrolet Colorado LS 2006-2012 Chevrolet Colorado LT 2004-2005 Chevrolet Colorado Sport 2004-2005 Chevrolet Colorado Sport LS 2006-2012 Chevrolet Colorado WT 2004-2005 Chevrolet Colorado Z71 2004-2005 Chevrolet Colorado Z71 LS 2004-2005 Chevrolet Colorado Z85 2004-2005 Chevrolet Colorado Z85 LS 1988-1989,1994-1996 Chevrolet Corsica Base 1988,1990-1993 Chevrolet Corsica LT 1989-1990,1992 Chevrolet Corsica LTZ 1988 Chevrolet Corvette 35th Anniversary Edition 1993 Chevrolet Corvette 40th Anniversary Edition 1988-1996 Chevrolet Corvette Base 1996 Chevrolet Corvette Collector’s Edition 1996 Chevrolet Corvette Grand Sport 1995 Chevrolet Corvette Indianapolis 500 Pace Car 1990-1995 Chevrolet Corvette ZR-1 1996-2013 Chevrolet Express 1500 Base 1996-2013 Chevrolet Express 1500 LS 2001-2002,2006-2013 Chevrolet Express 1500 LT 1988-1995 Chevrolet G10 Beauville 1988-1995 Chevrolet G10 Chevy Van 1988-1995 Chevrolet G10 Sportvan 1988-1995 Chevrolet G20 Beauville 1988-1995 Chevrolet G20 Chevy Van 1988-1995 Chevrolet G20 Sportvan 1994-1996 Chevrolet Impala SS 1994-1997 Chevrolet K1500 Base 1988-1998 Chevrolet K1500 Cheyenne 1988-1992 Chevrolet K1500 Scottsdale 1988-1998 Chevrolet K1500 Silverado 1991 Chevrolet K1500 Sport 1990-1998 Chevrolet K1500 WT 1992-1998 Chevrolet K1500 Suburban Base 1995-1998 Chevrolet K1500 Suburban LS 1995-1997 Chevrolet K1500 Suburban LT 1992-1994 Chevrolet K1500 Suburban Silverado 1988-1991 Chevrolet K2500 Cheyenne 1988-1991 Chevrolet K2500 Scottsdale 1988-1991 Chevrolet K2500 Silverado 1977-1980 Chevrolet K5 Blazer Cheyenne 1981-1986 Chevrolet K5 Blazer Custom 1977-1980 Chevrolet K5 Blazer Custom Deluxe 1981 Chevrolet K5 Blazer Deluxe 1984 Chevrolet K5 Blazer Scottsdale 1978,1980-1986 Chevrolet K5 Blazer Silverado 1990-1996 Chevrolet Lumina Base 1990-1994 Chevrolet Lumina Euro 1995-1996 Chevrolet Lumina LS 1991-1994 Chevrolet Lumina Z34 1988 Chevrolet Monte Carlo Base 1988,1995-1996 Chevrolet Monte Carlo LS 1988 Chevrolet Monte Carlo SS 1995-1996 Chevrolet Monte Carlo Z34 1988 Chevrolet Nova Base 1988 Chevrolet Nova CL 1988 Chevrolet Nova Twin Cam 1988 Chevrolet R10 Suburban Scottsdale 1988 Chevrolet R10 Suburban Silverado 1989-1991 Chevrolet R1500 Suburban Scottsdale 1989-1991 Chevrolet R1500 Suburban Silverado 1994 Chevrolet S10 Blazer Base 1994 Chevrolet S10 Blazer LT 1994 Chevrolet S10 Blazer Tahoe 1994 Chevrolet S10 Blazer Tahoe LT 1999-2005 Chevrolet Silverado 1500 Base 2016-2019 Chevrolet Silverado 1500 Custom 2019 Chevrolet Silverado 1500 Custom Trail Boss 2014-2019 Chevrolet Silverado 1500 High Country 2004-2006,2009-2013 Chevrolet Silverado 1500 Hybrid 1999-2013,2015-2018 Chevrolet Silverado 1500 LS 1999-2019 Chevrolet Silverado 1500 LT 2019 Chevrolet Silverado 1500 LT Trail Boss 2007-2019 Chevrolet Silverado 1500 LTZ 2019 Chevrolet Silverado 1500 RST 2003-2006 Chevrolet Silverado 1500 SS 2015-2019 Chevrolet Silverado 1500 SSV 2002-2019 Chevrolet Silverado 1500 WT 2010-2013 Chevrolet Silverado 1500 XFE 2004 Chevrolet Silverado 1500 Z71 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