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    Sale!

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

    Vendor: Eaton
    SKU: EAT912A556
    8% Off
    Sale Price $675.99 Regular Price $734.77
    Pairs well with
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    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
    Shipping Policy

    Cancellations

    Once an order is placed, in most cases it cannot be cancelled as they are sent for fulfillment almost immediately after receiving the order. If there is an ability to cancel the order, the buyer is responsible for the transaction fees charged from the transaction.

    Processing Time

    In-stock orders are typically processed and shipped within 1–2 business days of receiving payment, unless otherwise stated on the product page. Orders placed on weekends or holidays will be processed on the next business day.

    Shipping Costs

    Shipping costs are calculated based on the shipping method selected, the weight and dimensions of the package, and the destination address. You can view the shipping costs for your order during the checkout process before finalizing your purchase.

    Tracking Information

    Once your order has been shipped, you will receive a shipping confirmation email with tracking information. You can use this information to track the status of your package and monitor its delivery progress.

    Delivery Time

    While we make every effort to ensure timely delivery, please note that delivery times may vary due to factors beyond our control, such as weather conditions or carrier delays.

    International Shipping

    For international orders, please be aware that customs duties, taxes, and other fees may apply upon delivery. These additional charges are the responsibility of the recipient and are not included in the shipping cost paid at checkout. Please check with your local customs office for information on potential fees before placing your order.

    Shipping Address

    Please ensure that the shipping address provided during checkout is accurate and complete. We are not responsible for orders shipped to incorrect or undeliverable addresses due to customer error.

    Return Policy

    Return Period

    You have up to 30 days from the date of purchase to return eligible items.

    Condition of the Item

    A 20% restocking fee will apply to cover inspection, processing, and repackaging costs.

    Items must be returned in new, unused condition and include all original packaging, hardware, and documentation.

    Return Shipping

    The cost of return shipping is the responsibility of the buyer unless the item was received damaged, defective, or incorrect.

    Return Authorization

    Before returning any item, please contact our customer service team to obtain a Return Merchandise Authorization (RMA) number. Items returned without an RMA may not be accepted.

    Refund Processing

    Once the returned item is received and inspected, we will initiate the refund process. Please allow 2–5 days for the refund to be processed and credited to the original payment method. Bank processing times may vary.

    Damaged or Defective Items

    If you receive a damaged, defective, or incorrect item, contact us immediately for assistance. We’ll work quickly to resolve the issue or send a replacement.

    Final Sale Items

    Certain items may be marked as Final Sale and are not eligible for return or exchange. These will be clearly noted on the product page.

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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