Eaton Detroit Truetrac Differential GM 10.5in 14 Bolt 30 Spline 4.56 Ratio & Up

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.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 Che