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Eaton Detroit Truetrac Differential 28 Spline 1.20in Axle Shaft Diameter 2.73 & Up Ratio Rear 8.5in

Unlock maximum traction and enhance your vehicle's driving characteristics with the Detroit Truetrac Differential. This helical-gear style, limited-slip differential is designed for smooth, automatic operation in forward and reverse, making it the ideal traction solution for almost any type of vehicle.

  • No special lubrication or friction modifiers needed
  • Optimized torque bias ratios deliver max acceleration and handling
  • Helical gear limited slip differential for durable, smooth, and quiet operation
  • Works in forward and reverse
  • Ideal for most vehicles
  • Automatic engagement

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Buick Apollo 1973 Base
Buick Apollo 1974 Base
Buick Apollo 1975 Base
Buick Apollo 1975 SR
Buick Centurion 1971 Base
Buick Centurion 1972 Base
Buick Centurion 1973 Base
Buick Century 1973 Base
Buick Century 1973 Luxus
Buick Century 1974 Base
Buick Century 1974 Luxus
Buick Century 1975 Base
Buick Century 1975 Custom
Buick Century 1975 Luxus
Buick Century 1975 Special
Buick Century 1976 Base
Buick Century 1976 Custom
Buick Century 1976 Indianapolis 500 Pace Car
Buick Century 1976 Special
Buick Century 1977 Base
Buick Century 1977 Custom
Buick Century 1977 Special
Buick Century 1978 Custom
Buick Century 1978 Limited
Buick Century 1978 Special
Buick Century 1978 Sport
Buick Century 1979 Custom
Buick Century 1979 Limited
Buick Century 1979 Special
Buick Century 1979 Sport
Buick Century 1980 Base
Buick Century 1980 Estate
Buick Century 1980 Limited
Buick Century 1980 Sport
Buick Century 1981 Base
Buick Century 1981 Estate
Buick Century 1981 Limited
Buick Century 1981 Sport
Buick Century 1982 Custom
Buick Century 1982 Limited
Buick Century 1983 Custom
Buick Century 1983 Limited
Buick Century 1983 T-Type
Buick Century 1984 Custom
Buick Century 1984 Estate
Buick Century 1984 Limited
Buick Century 1984 Olympia Limited
Buick Century 1984 T-Type
Buick Century 1985 Custom
Buick Century 1985 Estate Wagon
Buick Century 1985 Limited
Buick Century 1985 T-Type
Buick Century 1986 Custom
Buick Century 1986 Estate Wagon
Buick Century 1986 Limited
Buick Century 1986 T-Type
Buick Century 1987 Custom
Buick Century 1987 Estate Wagon
Buick Century 1987 Limited
Buick Century 1988 Custom
Buick Century 1988 Estate Wagon
Buick Century 1988 Limited
Buick Century 1989 Custom
Buick Century 1989 Estate Wagon
Buick Century 1989 Limited
Buick Electra 1971 225
Buick Electra 1971 225 Custom
Buick Electra 1972 225
Buick Electra 1972 225 Custom
Buick Electra 1973 225
Buick Electra 1973 225 Custom
Buick Electra 1973 Base
Buick Electra 1974 225
Buick Electra 1974 225 Custom
Buick Electra 1974 225 Limited
Buick Electra 1975 Custom
Buick Electra 1975 Limited
Buick Electra 1976 225
Buick Electra 1976 Limited
Buick Electra 1977 225
Buick Electra 1977 Limited
Buick Electra 1978 225
Buick Electra 1978 Limited
Buick Electra 1978 Park Avenue
Buick Electra 1979 225
Buick Electra 1979 Limited
Buick Electra 1979 Park Avenue
Buick Electra 1980 Estate Wagon
Buick Electra 1980 Limited
Buick Electra 1980 Park Avenue
Buick Electra 1981 Estate Wagon
Buick Electra 1981 Limited
Buick Electra 1981 Park Avenue
Buick Electra 1982 Estate Wagon
Buick Electra 1982 Limited
Buick Electra 1982 Park Avenue
Buick Electra 1983 Estate Wagon
Buick Electra 1983 Limited
Buick Electra 1983 Park Avenue
Buick Electra 1984 Estate Wagon
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