Black Friday Sale Pricing is Live, No Codes Needed + Orders Ship Out Same Day

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

Eaton

SKU: EAT912A556

In Stock
Estimated Delivery within 1-3 Business Days

Free Shipping $200+
Most orders ship same day
Hassle free returns


Collections: Differentials, Drivetrain


Product 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.

This Part Fits:

Year Make Model Submodel
1973-1975 Buick Apollo Base
1975 Buick Apollo SR
1971-1973 Buick Centurion Base
1973-1977,1980-1981 Buick Century Base
1975-1979,1982-1989 Buick Century Custom
1980-1981,1984 Buick Century Estate
1985-1989 Buick Century Estate Wagon
1976 Buick Century Indianapolis 500 Pace Car
1978-1989 Buick Century Limited
1973-1975 Buick Century Luxus
1984 Buick Century Olympia Limited
1975-1979 Buick Century Special
1978-1981 Buick Century Sport
1983-1986 Buick Century T-Type
1971-1974,1976-1979 Buick Electra 225
1971-1974 Buick Electra 225 Custom
1974 Buick Electra 225 Limited
1973 Buick Electra Base
1975 Buick Electra Custom
1980-1989 Buick Electra Estate Wagon
1975-1989 Buick Electra Limited
1978-1989 Buick Electra Park Avenue
1989 Buick Electra Park Avenue Ultra
1985-1989 Buick Electra T-Type
1971-1983 Buick Estate Wagon Base
1971-1972 Buick GS Base
1971-1972 Buick GS 455 Base
1971-1981,1987-1989 Buick LeSabre Base
1985 Buick LeSabre Collector's Edition
1971-1973,1975-1978,1982-1989 Buick LeSabre Custom
1977 Buick LeSabre Custom Sport
1985-1989 Buick LeSabre Estate Wagon
1979-1989 Buick LeSabre Limited
1982 Buick LeSabre Limited Edition F/E
1974 Buick LeSabre Luxus
1978-1981 Buick LeSabre Sport
1987 Buick LeSabre T-Type
1976-1979 Buick Opel Base
1977-1979 Buick Opel Deluxe
1978-1979 Buick Opel Sport
1988-1989 Buick Reatta Base
1973-1987 Buick Regal Base
1988-1989 Buick Regal Custom
1982-1983 Buick Regal Estate Wagon
1987 Buick Regal GNX
1989 Buick Regal Gran Sport
1984-1987 Buick Regal Grand National
1978-1989 Buick Regal Limited
1982 Buick Regal Limited Turbo
1978-1982 Buick Regal Sport
1976-1977 Buick Regal SR
1983-1986 Buick Regal T-Type
1971-1985 Buick Riviera Base
1971 Buick Riviera Gran Sport
1975 Buick Riviera GS
1982 Buick Riviera Limited Edition
1983-1989 Buick Riviera Luxury
1978 Buick Riviera LXXV Anniversary Edition
1979-1980 Buick Riviera S
1976 Buick Riviera Sport
1976 Buick Riviera SR
1981-1989 Buick Riviera T-Type
1983 Buick Riviera XX Anniversary Edition
1975-1980 Buick Skyhawk Base
1982-1989 Buick Skyhawk Custom
1980 Buick Skyhawk Designers' Accent Edition
1982-1987 Buick Skyhawk Limited
1979-1980 Buick Skyhawk Road Hawk
1975-1980 Buick Skyhawk S
1988-1989 Buick Skyhawk SE
1986-1987 Buick Skyhawk Sport
1983-1987 Buick Skyhawk T-Type
1970,1972 Buick Skylark 350
1970-1972,1975-1982 Buick Skylark Base
1970-1972,1978-1979,1983-1989 Buick Skylark Custom
1980-1989 Buick Skylark Limited
1976-1979 Buick Skylark S
1978,1980-1983 Buick Skylark Sport
1975-1977 Buick Skylark SR
1983-1984 Buick Skylark T-Type
1986-1987 Buick Somerset Custom
1986-1987 Buick Somerset Limited
1986 Buick Somerset T-Type
1985 Buick Somerset Regal Base
1985 Buick Somerset Regal Limited
1971-1972 Buick Sportwagon Base
1976-1979 Cadillac Seville Base
1978-1979 Cadillac Seville Elegante
1977-1978 Cadillac Seville Opera
1970-1975 Chevrolet Bel Air Base
1987-1989 Chevrolet Beretta Base
1989 Chevrolet Beretta GT
1964-1972 Chevrolet Biscayne Base
1970-1972 Chevrolet Brookwood Base
1978-1980 Chevrolet C10 Big Ten
1977-1981 Chevrolet C10 Cheyenne
1981-1986 Chevrolet C10 Custom
1977-1980 Chevrolet C10 Custom Deluxe
1981 Chevrolet C10 Deluxe
1977-1986 Chevrolet C10 Scottsdale
1977-1986 Chevrolet C10 Silverado
1981-1986 Chevrolet C10 Suburban Custom
1977-1980 Chevrolet C10 Suburban Custom Deluxe
1981 Chevrolet C10 Suburban Deluxe
1977-1980,1982,1984-1986 Chevrolet C10 Suburban Scottsdale
1977-1980,1982-1986 Chevrolet C10 Suburban Silverado
1970-1980,1988 Chevrolet Camaro Base
1979-1986 Chevrolet Camaro Berlinetta
1985-1989 Chevrolet Camaro Iroc-Z
1973-1978,1987 Chevrolet Camaro LT
1976-1978 Chevrolet Camaro LT Rally Sport
1976-1980 Chevrolet Camaro Rally Sport
1970-1973,1975,1989 Chevrolet Camaro RS
1981-1987 Chevrolet Camaro Sport
1970-1972 Chevrolet Camaro SS
1970-1974,1977-1987 Chevrolet Camaro Z28
1982 Chevrolet Camaro Z28 Indianapolis 500 Pace Car
1971-1972,1986-1989 Chevrolet Caprice Base
1973-1989 Chevrolet Caprice Classic
1986-1989 Chevrolet Caprice Classic Brougham
1976-1978,1981-1982 Chevrolet Caprice Classic Estate
1976-1981 Chevrolet Caprice Classic Landau
1987-1989 Chevrolet Caprice Classic LS Brougham
1975-1976,1979-1980 Chevrolet Caprice Classic Sport
1973-1974 Chevrolet Caprice Estate
1975 Chevrolet Caprice Estate Wagon
1982-1989 Chevrolet Cavalier Base
1982 Chevrolet Cavalier Cadet
1982-1986 Chevrolet Cavalier CL
1983-1987 Chevrolet Cavalier CS
1984 Chevrolet Cavalier Olympic
1986-1989 Chevrolet Cavalier RS
1984-1985 Chevrolet Cavalier Type-10
1988-1989 Chevrolet Cavalier VL
1986-1989 Chevrolet Cavalier Z24
1982-1989 Chevrolet Celebrity Base
1982-1983,1989 Chevrolet Celebrity CL
1985 Chevrolet Celebrity Classic
1982 Chevrolet Celebrity CS
1985-1987 Chevrolet Celebrity Estate
1984-1989 Chevrolet Celebrity Eurosport
1971-1972 Chevrolet Chevelle Base
1971-1972 Chevrolet Chevelle Concours
1971-1972 Chevrolet Chevelle Concours Estate
1973 Chevrolet Chevelle Deluxe
1971-1972 Chevrolet Chevelle Greenbrier
1971-1972 Chevrolet Chevelle Malibu
1971-1972 Chevrolet Chevelle Nomad
1971-1972 Chevrolet Chevelle SS
1976-1985 Chevrolet Chevette Base
1984-1987 Chevrolet Chevette CS
1982 Chevrolet Chevette Diesel
1977 Chevrolet Chevette Rally Sport
1976 Chevrolet Chevette Rallye
1983 Chevrolet Chevette S
1977 Chevrolet Chevette Sandpiper
1976-1983 Chevrolet Chevette Scooter
1976 Chevrolet Chevette Sport
1976 Chevrolet Chevette Woody
1980-1983 Chevrolet Citation Base
1980 Chevrolet Citation Club
1980 Chevrolet Citation Custom
1980-1983 Chevrolet Citation X-11
1984-1985 Chevrolet Citation II Base
1984-1985 Chevrolet Citation II X-11
1987-1989 Chevrolet Corsica Base
1987-1988 Chevrolet Corsica LT
1989 Chevrolet Corsica LTZ
1988 Chevrolet Corvette 35th Anniversary Edition
1971-1974,1977-1982,1984-1989 Chevrolet Corvette Base
1982 Chevrolet Corvette Collector's Edition
1978,1986 Chevrolet Corvette Indianapolis 500 Pace Car
1978 Chevrolet Corvette Silver Anniversary Edition
1975-1976 Chevrolet Corvette Stingray
1973-1977 Chevrolet El Camino Base
1975-1977 Chevrolet El Camino Classic
1977 Chevrolet El Camino Conquista
1973-1974 Chevrolet El Camino Custom
1973-1977 Chevrolet El Camino SS
1971-1985 Chevrolet Impala Base
1975-1977 Chevrolet Impala Custom
1976 Chevrolet Impala Custom Landau
1981-1982 Chevrolet Impala Estate
1977-1979 Chevrolet Impala Landau
1976 Chevrolet Impala S
1975-1976,1979-1980 Chevrolet Impala Sport
1977-1981 Chevrolet K10 Cheyenne
1981-1986 Chevrolet K10 Custom
1977-1980 Chevrolet K10 Custom Deluxe
1981 Chevrolet K10 Deluxe
1977-1986 Chevrolet K10 Scottsdale
1977-1986 Chevrolet K10 Silverado
1981-1986 Chevrolet K10 Suburban Custom
1977-1980 Chevrolet K10 Suburban Custom Deluxe
1981 Chevrolet K10 Suburban Deluxe
1977-1980,1982,1984-1986 Chevrolet K10 Suburban Scottsdale
1977,1979-1980,1982-1983,1985-1986 Chevrolet K10 Suburban Silverado
1977-1981 Chevrolet K20 Cheyenne
1981-1986 Chevrolet K20 Custom
1977-1980 Chevrolet K20 Custom Deluxe
Delivery
The vast majority of orders ship out the same business day and are delivered within just 1-3 business days, this includes our Free Shipping service. On the very rare occasions when an order will not ship right away customers will be emailed promptly with an estimated ship date and the option to cancel or remain on order. Brands that ship from international locations such as Milltek typically take between 4-7 business days to be delivered.
Free shipping
We offer speedy free shipping to the continental US for orders of $200 or more. For those customers placing orders of less than $200 we offer a standard flat rate fee of $9.99. Customers either pay $9.99 or nothing for shipping - no surprises at checkout! The majority of orders are delivered within 1-3 business days using the free shipping option, however some orders can take up to 5 business days depending on your location.
Billing Address
This statement is only meant for customers paying via credit or debit card. If you're using PayPal, Affirm, ApplePay, etc. - no additional verification is necessary. It's best to use the billing address that's on file with the credit card company as the shipping address. Some orders that request shipping to an address other than the authorized credit card billing address will require additional verification and may be subject to processing delays.
Returns
Our return policy allows customers to return most orders within 30 days (7 days for AutoTecknic parts). Customers are responsible for any shipping fees associated with a return and the restocking fee. All parts must be in 100% brand new condition. Return requests must be made via email. Feel free to view our return policy for full details.
Images
Images are for reference only, the actual product may vary. While the vast majority of images on our website are accurate, on occasion an image will be for reference only. Our automated catalog is fed images from our suppliers and manufacturers. If our sources do not have an image on file of the exact part they will often include a generic image that should be used for reference only. If you have a question about an image and its accuracy, please email us prior to placing an order.

Related Items