Brand: Eaton
GM8.5 28S 2.73 & UP
Axle Shaft Spline Quantity: 28
California Proposition 65: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
Differential Carrier Break: 2.73 Ratio and Higher
Differential Model: GM 8.5
Taxonomy A: LD Differential
Taxonomy B: Limited Slip Differentials
Taxonomy C: Limited Slip Carrier-Clutch Style
For GM 8.5″

Replaces:

• Eaton: 187C149A
• PowerTrax: 1920-LR
• Eaton: 19515-1
• Eaton: 19557-010
• Eaton: 201028-1
• Auburn Gear: 542018
• Auburn Gear: 544905
• Auburn Gear: 546018
• Eaton: 912A556
• Eaton: 912A557
• PowerTrax: 9207852805
• PowerTrax: GT201028
• PowerTrax: LS201028

Applications:

• 1973-1975 Buick Apollo
• 1971-1973 Buick Centurion
• 1973-1977 Buick Century
• 1971-1981 Buick Estate Wagon
• 1971-1985 Buick LeSabre
• 1973-1977 Buick Regal
• 1984-1987 Buick Regal
• 1977-1978 Buick Riviera
• 1970-1972 Buick Skylark
• 1975-1979 Buick Skylark
• 1976-1979 Cadillac Seville
• 1970-1975 Chevrolet Bel Air
• 1970-1972 Chevrolet Biscayne
• 1970-1972 Chevrolet Brookwood
• 1977-1986 Chevrolet C10
• 1977-1986 Chevrolet C10 Suburban
• 1982-1986 Chevrolet C15
• 1970-1981 Chevrolet Camaro
• 1973-1973 Chevrolet Chevelle
• 1973-1977 Chevrolet El Camino
• 1971-1985 Chevrolet Impala
• 1977-1986 Chevrolet K10
• 1977-1986 Chevrolet K10 Suburban
• 1977-1986 Chevrolet K20
• 1977-1986 Chevrolet K20 Suburban
• 1975-1986 Chevrolet K5 Blazer
• 1973-1977 Chevrolet Malibu
• 1973-1977 Chevrolet Monte Carlo
• 1971-1979 Chevrolet Nova
• 1987-1987 Chevrolet R10
• 1987-1987 Chevrolet R10 Suburban
• 1987-1987 Chevrolet V10
• 1987-1987 Chevrolet V10 Suburban
• 1987-1987 Chevrolet V20
• 1987-1987 Chevrolet V20 Suburban
• 1979-1986 GMC C1500
• 1979-1986 GMC C1500 Suburban
• 1979-1987 GMC G1500
• 1979-1987 GMC G2500
• 1977-1978 GMC K15
• 1977-1978 GMC K15 Suburban
• 1979-1986 GMC K1500
• 1979-1986 GMC K1500 Suburban
• 1977-1978 GMC K25
• 1977-1978 GMC K25 Suburban
• 1979-1986 GMC K2500
• 1979-1986 GMC K2500 Suburban
• 1987-1987 GMC R1500
• 1987-1987 GMC R1500 Suburban
• 1973-1977 GMC Sprint
• 1987-1987 GMC V1500
• 1987-1987 GMC V1500 Suburban
• 1987-1987 GMC V2500
• 1987-1987 GMC V2500 Suburban
• 1971-1971 Oldsmobile 442
• 1970-1984 Oldsmobile 98
• 1970-1977 Oldsmobile Cutlass
• 1985-1987 Oldsmobile Cutlass
• 1978-1984 Oldsmobile Cutlass Calais
• 1980-1983 Oldsmobile Cutlass Cruiser
• 1975-1980 Oldsmobile Cutlass Salon
• 1985-1987 Oldsmobile Cutlass Salon
• 1970-1987 Oldsmobile Cutlass Supreme
• 1971-1985 Oldsmobile Delta 88
• 1971-1972 Oldsmobile F85
• 1973-1979 Oldsmobile Omega
• 1970-1975 Oldsmobile Vista Cruiser
• 1971-1981 Pontiac Bonneville
• 1987-1987 Pontiac Bonneville
• 1971-1981 Pontiac Catalina
• 1971-1981 Pontiac Firebird
• 1973-1975 Pontiac Grand Am
• 1978-1980 Pontiac Grand Am
• 1975-1977 Pontiac Grand LeMans
• 1971-1977 Pontiac Grand Prix
• 1971-1975 Pontiac Grandville
• 1972-1973 Pontiac GTO
• 1971-1972 Pontiac Laurentian
• 1972-1977 Pontiac LeMans
• 1976-1986 Pontiac Parisienne
• 1977-1979 Pontiac Phoenix
• 1971-1977 Pontiac Ventura