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Home   Differentials   Eaton Detroit Truetrac Differential 30 Spline 1.29in Axle Shaft Dia 3.08-3.90 Ratio Rear 8.875in
 

Eaton Detroit Truetrac Differential 30 Spline 1.29in Axle Shaft Dia 3.08-3.90 Ratio Rear 8.875in

Eaton

SKU: EAT913A555

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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
1971-1972 Buick Centurion Base
1968-1972 Buick Electra 225
1968-1972 Buick Electra 225 Custom
1964-1967 Buick Electra Base
1966-1967 Buick Electra Custom
1964,1970-1972 Buick Estate Wagon Base
1965-1967 Buick Gran Sport Base
1970-1972 Buick GS Base
1968-1969 Buick GS 350 Base
1968-1969 Buick GS 400 Base
1970-1972 Buick GS 455 Base
1970 Buick GS 455 GSX
1964-1972 Buick LeSabre Base
1965-1972 Buick LeSabre Custom
1964-1972 Buick Riviera Base
1965-1966,1971 Buick Riviera Gran Sport
1970,1972 Buick Skylark 350
1964-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1964-1969 Buick Special Base
1964-1967 Buick Special Deluxe
1964-1972 Buick Sportwagon Base
1966,1968-1969 Buick Sportwagon Custom
1964-1969 Buick Wildcat Base
1965-1970 Buick Wildcat Custom
1965 Buick Wildcat Deluxe
1966 Buick Wildcat Gran Sport
1964-1972 Chevrolet Bel Air Base
1964-1972 Chevrolet Biscayne Base
1969-1972 Chevrolet Brookwood Base
1967-1972 Chevrolet Camaro Base
1967-1972 Chevrolet Camaro RS
1967-1972 Chevrolet Camaro SS
1967-1972 Chevrolet Camaro Z28
1966-1972 Chevrolet Caprice Base
1967-1968 Chevrolet Chevelle 300
1967-1969 Chevrolet Chevelle 300 Deluxe
1964-1968,1970-1972 Chevrolet Chevelle Base
1967-1972 Chevrolet Chevelle Concours
1969-1972 Chevrolet Chevelle Concours Estate
1965-1967 Chevrolet Chevelle Deluxe
1969-1972 Chevrolet Chevelle Greenbrier
1968-1972 Chevrolet Chevelle Malibu
1968-1972 Chevrolet Chevelle Nomad
1964-1972 Chevrolet Chevelle SS
1964-1967 Chevrolet Chevy II Base
1964-1968 Chevrolet Chevy II Nova
1964-1967 Chevrolet Chevy II Nova SS
1968-1969 Chevrolet Corvair 500
1964-1967 Chevrolet Corvair Base
1965-1966 Chevrolet Corvair Corsa
1964 Chevrolet Corvair Deluxe
1964-1969 Chevrolet Corvair Monza
1964 Chevrolet Corvair Monza Spyder
1964-1972 Chevrolet Corvette Base
1965-1972 Chevrolet El Camino Base
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1969-1970 Chevrolet Estate Base
1964-1972 Chevrolet Impala Base
1964-1967 Chevrolet Impala SS
1969-1972 Chevrolet Kingswood Base
1969-1972 Chevrolet Kingswood Estate
1964-1967 Chevrolet Malibu Base
1970-1972 Chevrolet Monte Carlo Base
1969-1972 Chevrolet Nova Base
1969-1972 Chevrolet Townsman Base
1971-1972 Chevrolet Vega Base
1971-1972 Chevrolet Vega Panel
1964-1971 Oldsmobile 442 Base
1964-1972 Oldsmobile 98 Base
1964 Oldsmobile 98 Custom
1964-1967 Oldsmobile 98 Holiday
1971-1972 Oldsmobile Custom Cruiser Base
1964-1972 Oldsmobile Cutlass Base
1972 Oldsmobile Cutlass Cruiser
1964-1967 Oldsmobile Cutlass Holiday
1968,1971-1972 Oldsmobile Cutlass S
1967 Oldsmobile Cutlass Turnpike Cruiser
1967-1972 Oldsmobile Cutlass Supreme Base
1967-1968 Oldsmobile Delmont 88 Base
1967 Oldsmobile Delmont 88 Holiday
1965-1972 Oldsmobile Delta 88 Base
1967-1971 Oldsmobile Delta 88 Custom
1965-1967 Oldsmobile Delta 88 Holiday
1969-1972 Oldsmobile Delta 88 Royale
1964-1966 Oldsmobile Dynamic 88 Base
1964-1966 Oldsmobile Dynamic 88 Holiday
1964-1972 Oldsmobile F85 Base
1964-1966 Oldsmobile F85 Deluxe
1966 Oldsmobile F85 Holiday
1964 Oldsmobile Fiesta Base
1964-1966 Oldsmobile Jetstar 88 Base
1964-1966 Oldsmobile Jetstar 88 Holiday
1964-1965 Oldsmobile Jetstar I Base
1964-1966 Oldsmobile Starfire Base
1964 Oldsmobile Super 88 Base
1964 Oldsmobile Super 88 Holiday
1966-1972 Oldsmobile Toronado Base
1971-1972 Oldsmobile Toronado Brougham
1968-1970 Oldsmobile Toronado Custom
1966-1967 Oldsmobile Toronado Deluxe
1964-1972 Oldsmobile Vista Cruiser Base
1964-1967 Oldsmobile Vista Cruiser Custom
1964-1972 Pontiac Bonneville Base
1964-1970 Pontiac Bonneville Safari
1964-1967 Pontiac Catalina 2+2
1964-1972 Pontiac Catalina Base
1971-1972 Pontiac Catalina Brougham
1964-1972 Pontiac Catalina Safari
1964-1970 Pontiac Catalina Ventura
1967-1970 Pontiac Executive Base
1967-1970 Pontiac Executive Safari
1968-1969 Pontiac Firebird 350
1969 Pontiac Firebird 350 HO
1967-1969 Pontiac Firebird 400
1967-1972 Pontiac Firebird Base
1970-1972 Pontiac Firebird Esprit
1970-1972 Pontiac Firebird Formula
1967 Pontiac Firebird HO
1967-1969 Pontiac Firebird Sprint
1969-1972 Pontiac Firebird Trans Am
1964-1972 Pontiac Grand Prix Base
1971-1972 Pontiac Grand Safari Base
1971-1972 Pontiac Grandville Base
1964-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1964-1972 Pontiac LeMans Base
1972 Pontiac LeMans Luxury
1969-1970 Pontiac LeMans Safari
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1964-1966 Pontiac Star Chief Base
1966 Pontiac Star Chief Executive
1964-1970 Pontiac Tempest Base
1964-1969 Pontiac Tempest Custom
1970 Pontiac Tempest GT
1964-1969 Pontiac Tempest Safari
1971-1972 Pontiac Ventura Base
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.

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