Menu
My Garage Add a vehicle

Pick your vehicle in the Shop By Vehicle bar below and every page shows the parts that fit it.

Cart
Reset
EatonMore from Eaton

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

Part # 912A556SKU EAT912A556

Set your vehicle above for a fit verdict. 113 vehicles listed below.

Specifications
BrandEaton
Part typeDifferential
  • Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
  • No Special Lubrication Or Friction Modifiers Needed
  • Helical Gear Limited Slip Differential
  • Durable; Smooth; Quiet Operation
  • Works In Forward And Reverse
  • Ideal For Most Vehicles
  • Automatic Engagement

Description

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.

162C56ADetroit Locker Diff 27 Spline 1.14in Axle Shaft Dia 3.54 & Up Ratio Front/Reverse Rear Dana 35$1,644.88
187SL16CDetroit Locker Diff 30 Spline 1.31in Axle Shaft Dia 3.92 & Up Ratio Front/Reverse Rear Dana 44$1,496.06
187SL16DDetroit Locker Diff 30 Spline 1.31in Axle Shaft Diam 3.73 & Down Ratio Front/Rev Rear Dana 44$1,496.06
187C145ADetroit Locker Diff 31 Spline 1.32in Shaft Dia 4.56/4.88/5.13 Ratio Front/Reverse Rear 8.8in$1,621.62
R18703ADetroit Locker Diff 31 Spline 1.32in Shaft Dia (Excl 2.72 Ratio) Ford 9in Circle Track w/Case$1,496.06
225SL56ADetroit Locker Diff 35 Spline 1.50in Axle Shaft Dia Rear 10.25in/10.5in (Full Float Only) for Ford$1,705.36

Fits these vehicles 113

YearMakeModel
1973 - 1975BuickApollo
1971 - 1973BuickCenturion
1973 - 1989BuickCentury
1971 - 1989BuickElectra
1971 - 1983BuickEstate Wagon
1971 - 1972BuickGS
1971 - 1972BuickGS 455
1971 - 1989BuickLeSabre
1976 - 1979BuickOpel
1988 - 1989BuickReatta
1973 - 1989BuickRegal
1971 - 1989BuickRiviera
1975 - 1980BuickSkyhawk
1982 - 1989BuickSkyhawk
1970 - 1972BuickSkylark
1975 - 1989BuickSkylark
1986 - 1987BuickSomerset
1985BuickSomerset Regal
1971 - 1972BuickSportwagon
1976 - 1979CadillacSeville
1970 - 1975ChevroletBel Air
1987 - 1989ChevroletBeretta
1964 - 1972ChevroletBiscayne
1970 - 1972ChevroletBrookwood
1977 - 1986ChevroletC10
1977 - 1986ChevroletC10 Suburban
1970 - 1989ChevroletCamaro
1971 - 1989ChevroletCaprice
1982 - 1989ChevroletCavalier
1982 - 1989ChevroletCelebrity
1971 - 1977ChevroletChevelle
1976 - 1987ChevroletChevette
1980 - 1983ChevroletCitation
1984 - 1985ChevroletCitation II
1987 - 1989ChevroletCorsica
1971 - 1982ChevroletCorvette
1984 - 1989ChevroletCorvette
1973 - 1977ChevroletEl Camino
1971 - 1985ChevroletImpala
1977 - 1986ChevroletK10
1977 - 1986ChevroletK10 Suburban
1977 - 1986ChevroletK20
1977 - 1986ChevroletK20 Suburban
1975 - 1986ChevroletK5 Blazer
1971 - 1972ChevroletKingswood
1978 - 1983ChevroletMalibu
1971 - 1988ChevroletMonte Carlo
1975 - 1980ChevroletMonza
1971 - 1979ChevroletNova
1985 - 1988ChevroletNova
1985 - 1988ChevroletSpectrum
1985 - 1988ChevroletSprint
1971 - 1972ChevroletTownsman
1971 - 1977ChevroletVega
1984 - 1986GMCC1500
1979 - 1986GMCC1500 Suburban
1979 - 1987GMCG1500
1979 - 1987GMCG2500
1977 - 1978GMCK15
1979 - 1986GMCK1500
1979 - 1986GMCK1500 Suburban
1977 - 1978GMCK15 Suburban
1977 - 1978GMCK25
1979 - 1986GMCK2500
1979 - 1986GMCK2500 Suburban
1977 - 1978GMCK25 Suburban
1973 - 1977GMCSprint
1971Oldsmobile442
1970 - 1989Oldsmobile98
1985 - 1987OldsmobileCalais
1971 - 1989OldsmobileCustom Cruiser
1970 - 1981OldsmobileCutlass
1978 - 1984OldsmobileCutlass Calais
1988 - 1989OldsmobileCutlass Calais
1982 - 1989OldsmobileCutlass Ciera
1980 - 1983OldsmobileCutlass Cruiser
1987 - 1989OldsmobileCutlass Cruiser
1975 - 1980OldsmobileCutlass Salon
1985 - 1987OldsmobileCutlass Salon
1970 - 1989OldsmobileCutlass Supreme
1976OldsmobileCutlass Tiara
1971 - 1989OldsmobileDelta 88
1971 - 1972OldsmobileF85
1982 - 1988OldsmobileFirenza
1973 - 1984OldsmobileOmega
1975 - 1980OldsmobileStarfire
1971 - 1989OldsmobileToronado
1970 - 1975OldsmobileVista Cruiser
1982 - 1989Pontiac6000
1975 - 1977PontiacAstre
1971 - 1989PontiacBonneville
1971 - 1981PontiacCatalina
1984 - 1988PontiacFiero
1971 - 1989PontiacFirebird
1973 - 1975PontiacGrand Am
1978 - 1980PontiacGrand Am
1985 - 1989PontiacGrand Am
1975 - 1981PontiacGrand LeMans
1971 - 1989PontiacGrand Prix
1971 - 1978PontiacGrand Safari
1971 - 1975PontiacGrandville
1971 - 1973PontiacGTO
1982 - 1983PontiacJ2000
1984 - 1985PontiacJ2000 Sunbird
1971 - 1981PontiacLeMans
1988 - 1989PontiacLeMans
1983 - 1986PontiacParisienne
1977 - 1984PontiacPhoenix
1987 - 1989PontiacSafari
1976 - 1980PontiacSunbird
1986 - 1989PontiacSunbird
1981 - 1987PontiacT1000
1971 - 1977PontiacVentura