Genuine GM Fluid (88900401) 75W-90 Synthetic Axle Lubricant - 1 Quart Fully synthetic formulation Long fluid life New grape scent May also be used in: front axles - 1995 to current; rear axles - 8.6 inch only, 1989 to 1998 For 1998-2000 Camaro and Firebird; 1999-2000 Corvette; 1999-2000 Sierra/Silverado; 2000 CK Utility