Eaton GM 8.5in Rear Master Install Kit

SKU: eatK-GM8.5SR
In stock - 10 items available
Usually ships within 24 hours
Regular price $179.99

Ready to install and hit the road!

All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!

Eaton master installation kits make upgrading your differential easier by providing all the components needed to properly install your Eaton differential or replace your ring and pinion, in one box. Premium bearings and components ensure long life and quiet operation.
Eaton Master Differential Install Kit; Rear; GM 8.5 in.; 10 Cover Bolts; 10 Ring Gear Bolts; 28/30 Axle Spline; 30 Pinion Spline; Standard Rotation; w/ Eaton Posi/Truetrac;


  • Includes all necessary components to complete installation

  • Reference Eatons application guide to confirm part fitment

  • For Eaton: 187C149A; 187C148A; 912A556; 913A481

  • For Eaton: 19557-010; 19559-010; 19659-010

  • Fits 1998 and Older Applications

  • Eaton only uses premium bearings

  • Rear

Fitment:
1964 Chevrolet Biscayne
1965 Chevrolet Biscayne
1966 Chevrolet Biscayne
1967 Chevrolet Biscayne
1968 Chevrolet Biscayne
1969 Chevrolet Biscayne
1970 Buick Skylark
1970 Chevrolet Bel Air
1970 Chevrolet Biscayne
1970 Chevrolet Brookwood
1970 Chevrolet Camaro
1970 Oldsmobile 98
1970 Oldsmobile Cutlass
1970 Oldsmobile Cutlass Supreme
1970 Oldsmobile Vista Cruiser
1971 Buick Estate Wagon
1971 Buick LeSabre
1971 Buick Skylark
1971 Chevrolet Bel Air
1971 Chevrolet Biscayne
1971 Chevrolet Brookwood
1971 Chevrolet Camaro
1971 Chevrolet Impala
1971 Chevrolet Nova
1971 Oldsmobile 98
1971 Oldsmobile Cutlass
1971 Oldsmobile Cutlass Supreme
1971 Oldsmobile Delta 88
1971 Oldsmobile Vista Cruiser
1971 Pontiac Bonneville
1971 Pontiac Catalina
1971 Pontiac Firebird
1971 Pontiac Grand Prix
1971 Pontiac Grandville
1971 Pontiac Ventura
1972 Buick Estate Wagon
1972 Buick LeSabre
1972 Buick Skylark
1972 Chevrolet Bel Air
1972 Chevrolet Biscayne
1972 Chevrolet Brookwood
1972 Chevrolet Camaro
1972 Chevrolet Impala
1972 Chevrolet Nova
1972 Oldsmobile 98
1972 Oldsmobile Cutlass
1972 Oldsmobile Cutlass Supreme
1972 Oldsmobile Delta 88
1972 Oldsmobile Vista Cruiser
1972 Pontiac Bonneville
1972 Pontiac Catalina
1972 Pontiac Firebird
1972 Pontiac Grand Prix
1972 Pontiac Grandville
1972 Pontiac GTO
1972 Pontiac LeMans
1972 Pontiac Ventura
1973 Buick Apollo
1973 Buick Century
1973 Buick Estate Wagon
1973 Buick LeSabre
1973 Buick Regal
1973 Chevrolet Bel Air
1973 Chevrolet Camaro
1973 Chevrolet El Camino
1973 Chevrolet Impala
1973 Chevrolet Malibu
1973 Chevrolet Monte Carlo
1973 Chevrolet Nova
1973 GMC Sprint
1973 Oldsmobile 98
1973 Oldsmobile Cutlass
1973 Oldsmobile Cutlass Supreme
1973 Oldsmobile Delta 88
1973 Oldsmobile Omega
1973 Oldsmobile Vista Cruiser
1973 Pontiac Bonneville
1973 Pontiac Catalina
1973 Pontiac Firebird
1973 Pontiac Grand Am
1973 Pontiac Grand Prix
1973 Pontiac Grandville
1973 Pontiac GTO
1973 Pontiac LeMans
1973 Pontiac Ventura
1974 Buick Apollo
1974 Buick Century
1974 Buick Estate Wagon
1974 Buick LeSabre
1974 Buick Regal
1974 Chevrolet Bel Air
1974 Chevrolet Camaro
1974 Chevrolet El Camino
1974 Chevrolet Impala
1974 Chevrolet Malibu
1974 Chevrolet Monte Carlo
1974 Chevrolet Nova
1974 GMC Sprint
1974 Oldsmobile 98
1974 Oldsmobile Cutlass
1974 Oldsmobile Cutlass Supreme
1974 Oldsmobile Delta 88
1974 Oldsmobile Omega
1974 Oldsmobile Vista Cruiser
1974 Pontiac Bonneville
1974 Pontiac Catalina
1974 Pontiac Firebird
1974 Pontiac Grand Am
1974 Pontiac Grand Prix
1974 Pontiac Grandville
1974 Pontiac LeMans
1974 Pontiac Ventura
1975 Buick Apollo
1975 Buick Century
1975 Buick Estate Wagon
1975 Buick LeSabre
1975 Buick Regal
1975 Buick Riviera
1975 Buick Skylark
1975 Chevrolet Bel Air
1975 Chevrolet Camaro
1975 Chevrolet El Camino
1975 Chevrolet Impala
1975 Chevrolet K5 Blazer
1975 Chevrolet Malibu
1975 Chevrolet Monte Carlo
1975 Chevrolet Nova
1975 GMC Sprint
1975 Oldsmobile 98
1975 Oldsmobile Cutlass
1975 Oldsmobile Cutlass Salon
1975 Oldsmobile Cutlass Supreme
1975 Oldsmobile Delta 88
1975 Oldsmobile Omega
1975 Oldsmobile Vista Cruiser
1975 Pontiac Bonneville
1975 Pontiac Catalina
1975 Pontiac Firebird
1975 Pontiac Grand Am
1975 Pontiac Grand LeMans
1975 Pontiac Grand Prix
1975 Pontiac Grandville
1975 Pontiac LeMans
1975 Pontiac Ventura
1976 Buick Century
1976 Buick Estate Wagon
1976 Buick LeSabre
1976 Buick Regal
1976 Buick Riviera
1976 Buick Skylark
1976 Cadillac Seville
1976 Chevrolet Camaro
1976 Chevrolet El Camino
1976 Chevrolet Impala
1976 Chevrolet K5 Blazer
1976 Chevrolet Malibu
1976 Chevrolet Monte Carlo
1976 Chevrolet Nova
1976 GMC Sprint
1976 Oldsmobile 98
1976 Oldsmobile Cutlass
1976 Oldsmobile Cutlass Salon
1976 Oldsmobile Cutlass Supreme
1976 Oldsmobile Delta 88
1976 Oldsmobile Omega
1976 Pontiac Bonneville
1976 Pontiac Catalina
1976 Pontiac Firebird
1976 Pontiac Grand LeMans
1976 Pontiac Grand Prix
1976 Pontiac LeMans
1976 Pontiac Ventura
1977 Buick Century
1977 Buick Estate Wagon
1977 Buick LeSabre
1977 Buick Regal
1977 Buick Riviera
1977 Buick Skylark
1977 Cadillac Seville
1977 Chevrolet C10
1977 Chevrolet C10 Suburban
1977 Chevrolet Camaro
1977 Chevrolet El Camino
1977 Chevrolet Impala
1977 Chevrolet K10
1977 Chevrolet K10 Suburban
1977 Chevrolet K20
1977 Chevrolet K20 Suburban
1977 Chevrolet K5 Blazer
1977 Chevrolet Malibu
1977 Chevrolet Monte Carlo
1977 Chevrolet Nova
1977 GMC K15
1977 GMC K15 Suburban
1977 GMC K25
1977 GMC K25 Suburban
1977 GMC Sprint
1977 Oldsmobile 98
1977 Oldsmobile Cutlass
1977 Oldsmobile Cutlass Salon
1977 Oldsmobile Cutlass Supreme
1977 Oldsmobile Delta 88
1977 Oldsmobile Omega
1977 Pontiac Bonneville
1977 Pontiac Catalina
1977 Pontiac Firebird
1977 Pontiac Grand LeMans
1977 Pontiac Grand Prix
1977 Pontiac LeMans
1977 Pontiac Phoenix
1977 Pontiac Ventura
1978 Buick Estate Wagon
1978 Buick LeSabre
1978 Buick Riviera
1978 Buick Skylark
1978 Cadillac Seville
1978 Chevrolet C10
1978 Chevrolet C10 Suburban
1978 Chevrolet Camaro
1978 Chevrolet Impala
1978 Chevrolet K10
1978 Chevrolet K10 Suburban
1978 Chevrolet K20
1978 Chevrolet K20 Suburban
1978 Chevrolet K5 Blazer
1978 Chevrolet Nova
1978 GMC K15
1978 GMC K15 Suburban
1978 GMC K25
1978 GMC K25 Suburban
1978 Oldsmobile 98
1978 Oldsmobile Cutlass Calais
1978 Oldsmobile Cutlass Salon
1978 Oldsmobile Cutlass Supreme
1978 Oldsmobile Delta 88
1978 Oldsmobile Omega
1978 Pontiac Bonneville
1978 Pontiac Catalina
1978 Pontiac Firebird
1978 Pontiac Grand Am
1978 Pontiac Phoenix
1979 Buick Estate Wagon
1979 Buick LeSabre
1979 Buick Skylark
1979 Cadillac Seville
1979 Chevrolet C10
1979 Chevrolet C10 Suburban
1979 Chevrolet Camaro
1979 Chevrolet Impala
1979 Chevrolet K10
1979 Chevrolet K10 Suburban
1979 Chevrolet K20
1979 Chevrolet K20 Suburban
1979 Chevrolet K5 Blazer
1979 Chevrolet Nova
1979 GMC C1500 Suburban
1979 GMC G1500
1979 GMC G2500
1979 GMC K1500
1979 GMC K1500 Suburban
1979 GMC K2500 Suburban
1979 Oldsmobile 98
1979 Oldsmobile Cutlass Calais
1979 Oldsmobile Cutlass Salon
1979 Oldsmobile Cutlass Supreme
1979 Oldsmobile Delta 88
1979 Oldsmobile Omega
1979 Pontiac Bonneville
1979 Pontiac Catalina
1979 Pontiac Firebird
1979 Pontiac Grand Am
1979 Pontiac Phoenix
1980 Buick Estate Wagon
1980 Buick LeSabre
1980 Chevrolet C10
1980 Chevrolet C10 Suburban
1980 Chevrolet Camaro
1980 Chevrolet Impala
1980 Chevrolet K10
1980 Chevrolet K10 Suburban
1980 Chevrolet K20
1980 Chevrolet K20 Suburban
1980 Chevrolet K5 Blazer
1980 GMC C1500 Suburban
1980 GMC G1500
1980 GMC G2500
1980 GMC K1500
1980 GMC K1500 Suburban
1980 GMC K2500 Suburban
1980 Oldsmobile 98
1980 Oldsmobile Cutlass Calais
1980 Oldsmobile Cutlass Cruiser
1980 Oldsmobile Cutlass Salon
1980 Oldsmobile Cutlass Supreme
1980 Oldsmobile Delta 88
1980 Pontiac Bonneville
1980 Pontiac Catalina
1980 Pontiac Firebird
1980 Pontiac Grand Am
1981 Buick Estate Wagon
1981 Buick LeSabre
1981 Chevrolet C10
1981 Chevrolet C10 Suburban
1981 Chevrolet Camaro
1981 Chevrolet Impala
1981 Chevrolet K10
1981 Chevrolet K10 Suburban
1981 Chevrolet K20
1981 Chevrolet K20 Suburban
1981 Chevrolet K5 Blazer
1981 GMC C1500 Suburban
1981 GMC G1500
1981 GMC G2500
1981 GMC K1500
1981 GMC K1500 Suburban
1981 GMC K2500 Suburban
1981 Oldsmobile 98
1981 Oldsmobile Cutlass Calais
1981 Oldsmobile Cutlass Cruiser
1981 Oldsmobile Cutlass Supreme
1981 Oldsmobile Delta 88
1981 Pontiac Bonneville
1981 Pontiac Catalina
1981 Pontiac Firebird
1982 Buick LeSabre
1982 Chevrolet C10
1982 Chevrolet C10 Suburban
1982 Chevrolet Impala
1982 Chevrolet K10
1982 Chevrolet K10 Suburban
1982 Chevrolet K20
1982 Chevrolet K20 Suburban
1982 Chevrolet K5 Blazer
1982 GMC C1500 Suburban
1982 GMC G1500
1982 GMC G2500
1982 GMC K1500
1982 GMC K1500 Suburban
1982 GMC K2500 Suburban
1982 Oldsmobile 98
1982 Oldsmobile Cutlass Calais
1982 Oldsmobile Cutlass Cruiser
1982 Oldsmobile Cutlass Supreme
1982 Oldsmobile Delta 88
1983 Buick LeSabre
1983 Chevrolet C10
1983 Chevrolet C10 Suburban
1983 Chevrolet Impala
1983 Chevrolet K10
1983 Chevrolet K10 Suburban
1983 Chevrolet K20
1983 Chevrolet K20 Suburban
1983 Chevrolet K5 Blazer
1983 GMC C1500 Suburban
1983 GMC G1500
1983 GMC G2500
1983 GMC K1500
1983 GMC K1500 Suburban
1983 GMC K2500 Suburban
1983 Oldsmobile 98
1983 Oldsmobile Cutlass Calais
1983 Oldsmobile Cutlass Cruiser
1983 Oldsmobile Cutlass Supreme
1983 Oldsmobile Delta 88
1983 Pontiac Parisienne
1984 Buick LeSabre
1984 Buick Regal
1984 Chevrolet C10
1984 Chevrolet C10 Suburban
1984 Chevrolet Impala
1984 Chevrolet K10
1984 Chevrolet K10 Suburban
1984 Chevrolet K20
1984 Chevrolet K20 Suburban
1984 Chevrolet K5 Blazer
1984 GMC C1500
1984 GMC C1500 Suburban
1984 GMC G1500
1984 GMC G2500
1984 GMC K1500
1984 GMC K1500 Suburban
1984 GMC K2500 Suburban
1984 Oldsmobile 98
1984 Oldsmobile Cutlass Calais
1984 Oldsmobile Cutlass Supreme
1984 Oldsmobile Delta 88
1984 Pontiac Parisienne
1985 Buick LeSabre
1985 Buick Regal
1985 Chevrolet C10
1985 Chevrolet C10 Suburban
1985 Chevrolet Impala
1985 Chevrolet K10
1985 Chevrolet K10 Suburban
1985 Chevrolet K20
1985 Chevrolet K20 Suburban
1985 Chevrolet K5 Blazer
1985 GMC C1500
1985 GMC C1500 Suburban
1985 GMC G1500
1985 GMC G2500
1985 GMC K1500
1985 GMC K1500 Suburban
1985 GMC K2500 Suburban
1985 Oldsmobile Cutlass Salon
1985 Oldsmobile Cutlass Supreme
1985 Oldsmobile Delta 88
1985 Pontiac Parisienne
1986 Buick Regal
1986 Chevrolet C10
1986 Chevrolet C10 Suburban
1986 Chevrolet K10
1986 Chevrolet K10 Suburban
1986 Chevrolet K20
1986 Chevrolet K20 Suburban
1986 Chevrolet K5 Blazer
1986 GMC C1500
1986 GMC C1500 Suburban
1986 GMC G1500
1986 GMC G2500
1986 GMC K1500
1986 GMC K1500 Suburban
1986 GMC K2500 Suburban
1986 Oldsmobile Cutlass Salon
1986 Oldsmobile Cutlass Supreme
1986 Pontiac Parisienne
1987 Buick Regal
1987 GMC G1500
1987 GMC G2500
1987 Oldsmobile Cutlass Salon
1987 Oldsmobile Cutlass Supreme
1988 Chevrolet C1500
1988 Chevrolet G10
1988 Chevrolet G20
1988 Chevrolet K1500
1988 Chevrolet K2500
1988 Chevrolet R10 Suburban
1988 Chevrolet V20 Suburban
1988 GMC C1500
1988 GMC G1500
1988 GMC G2500
1988 GMC K1500
1988 GMC K2500
1988 GMC R1500 Suburban
1988 GMC V2500 Suburban
1989 Chevrolet C1500
1989 Chevrolet G10
1989 Chevrolet G20
1989 Chevrolet K1500
1989 Chevrolet K2500
1989 Chevrolet R1500 Suburban
1989 Chevrolet V1500 Suburban
1989 Chevrolet V2500 Suburban
1989 GMC C1500
1989 GMC G1500
1989 GMC G2500
1989 GMC K1500
1989 GMC K2500
1989 GMC R1500 Suburban
1989 GMC V2500 Suburban
1990 Chevrolet C1500
1990 Chevrolet G10
1990 Chevrolet G20
1990 Chevrolet K1500
1990 Chevrolet K2500
1990 Chevrolet R1500 Suburban
1990 Chevrolet V1500 Suburban
1990 Chevrolet V2500 Suburban
1990 GMC C1500
1990 GMC G1500
1990 GMC G2500
1990 GMC K1500
1990 GMC K2500
1990 GMC R1500 Suburban
1990 GMC V2500 Suburban
1991 Buick Commercial Chassis
1991 Buick Roadmaster
1991 Chevrolet C1500
1991 Chevrolet Caprice
1991 Chevrolet G10
1991 Chevrolet G20
1991 Chevrolet K1500
1991 Chevrolet K2500
1991 Chevrolet R1500 Suburban
1991 Chevrolet V1500 Suburban
1991 Chevrolet V2500 Suburban
1991 GMC C1500
1991 GMC G1500
1991 GMC G2500
1991 GMC K1500
1991 GMC K2500
1991 GMC R1500 Suburban
1991 GMC V2500 Suburban
1992 Buick Commercial Chassis
1992 Buick Roadmaster
1992 Chevrolet C1500
1992 Chevrolet C1500 Suburban
1992 Chevrolet Caprice
1992 Chevrolet G10
1992 Chevrolet G20
1992 Chevrolet K1500
1992 GMC C1500
1992 GMC G1500
1992 GMC G2500
1992 GMC K1500
1992 GMC Typhoon
1992 GMC Yukon
1993 Buick Commercial Chassis
1993 Buick Roadmaster
1993 Chevrolet C1500
1993 Chevrolet C1500 Suburban
1993 Chevrolet Caprice
1993 Chevrolet G10
1993 Chevrolet G20
1993 Chevrolet K1500
1993 Chevrolet K1500 Suburban
1993 GMC C1500
1993 GMC G1500
1993 GMC G2500
1993 GMC K1500
1993 GMC Typhoon
1993 GMC Yukon
1994 Buick Commercial Chassis
1994 Buick Roadmaster
1994 Chevrolet C1500
1994 Chevrolet C1500 Suburban
1994 Chevrolet Caprice
1994 Chevrolet G10
1994 Chevrolet G20
1994 Chevrolet Impala
1994 Chevrolet K1500
1994 Chevrolet K1500 Suburban
1994 Chevrolet S10
1994 Chevrolet S10 Blazer
1994 GMC C1500
1994 GMC G1500
1994 GMC G2500
1994 GMC Jimmy
1994 GMC K1500
1994 GMC Sonoma
1994 GMC Yukon
1995 Buick Commercial Chassis
1995 Buick Roadmaster
1995 Chevrolet Blazer
1995 Chevrolet C1500
1995 Chevrolet C1500 Suburban
1995 Chevrolet Caprice
1995 Chevrolet G10
1995 Chevrolet G20
1995 Chevrolet Impala
1995 Chevrolet K1500
1995 Chevrolet K1500 Suburban
1995 Chevrolet S10
1995 Chevrolet Tahoe
1995 GMC C1500
1995 GMC G1500
1995 GMC G2500
1995 GMC Jimmy
1995 GMC K1500
1995 GMC Sonoma
1995 GMC Yukon
1996 Buick Commercial Chassis
1996 Buick Roadmaster
1996 Chevrolet Blazer
1996 Chevrolet C1500
1996 Chevrolet C1500 Suburban
1996 Chevrolet Caprice
1996 Chevrolet Impala
1996 Chevrolet K1500
1996 Chevrolet K1500 Suburban
1996 Chevrolet S10
1996 Chevrolet Tahoe
1996 GMC C1500
1996 GMC C1500 Suburban
1996 GMC Jimmy
1996 GMC K1500
1996 GMC K1500 Suburban
1996 GMC Savana 1500
1996 GMC Sonoma
1996 GMC Yukon
1997 Chevrolet Blazer
1997 Chevrolet C1500
1997 Chevrolet C1500 Suburban
1997 Chevrolet K1500
1997 Chevrolet K1500 Suburban
1997 Chevrolet S10
1997 Chevrolet Tahoe
1997 GMC C1500
1997 GMC C1500 Suburban
1997 GMC Jimmy
1997 GMC K1500
1997 GMC K1500 Suburban
1997 GMC Savana 1500
1997 GMC Sonoma
1997 GMC Yukon
1998 Chevrolet Blazer
1998 Chevrolet C1500
1998 Chevrolet C1500 Suburban
1998 Chevrolet K1500
1998 Chevrolet K1500 Suburban
1998 Chevrolet S10
1998 Chevrolet Tahoe
1998 GMC C1500
1998 GMC Jimmy
1998 GMC K1500
1998 GMC Savana 1500
1998 GMC Sonoma
1998 GMC Yukon
1999 Chevrolet Blazer
1999 Chevrolet S10
1999 GMC Jimmy
1999 GMC Sonoma
2000 Chevrolet Blazer
2000 Chevrolet S10
2000 GMC Jimmy
2000 GMC Sonoma
2001 GMC Jimmy
2001 GMC Sonoma
2002 GMC Sonoma
2003 GMC Sonoma
2004 GMC Sonoma

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t