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    • Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 4.10 & Down Ratio Rear Dana 60
    • Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 4.10 & Down Ratio Rear Dana 60
    • Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 4.10 & Down Ratio Rear Dana 60
    • Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 4.10 & Down Ratio Rear Dana 60
    • Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 4.10 & Down Ratio Rear Dana 60
    • Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 4.10 & Down Ratio Rear Dana 60
    Sale!

    Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 4.10 & Down Ratio Rear Dana 60

    Vendor: Eaton
    SKU: EAT913A389
    Save $108.70
    Sale Price $1,249.99 Regular Price $1,358.69
    Fast Fulfillment: In-stock parts typically ship same day or next business day.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    Professional, Enthusiast-Driven Customer Support
    International Shipping Available - Contact Us!
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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.

    • 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

    This Part Fits:

    Year Make Model Submodel
    1966-1971 Chrysler 300 Base
    2000 Chrysler Grand Voyager Base
    2000 Chrysler Grand Voyager SE
    1966-1967 Chrysler Imperial Base
    1966-1970 Chrysler Imperial Crown
    1966-1972 Chrysler Imperial LeBaron
    1977-1980,1982-1988 Chrysler LeBaron Base
    1983-1986 Chrysler LeBaron Mark Cross
    1977-1981 Chrysler LeBaron Medallion
    1987-1988 Chrysler LeBaron Premium
    1978 Chrysler LeBaron S
    1979-1981 Chrysler LeBaron Salon
    1980-1981 Chrysler LeBaron Special
    1966-1972 Chrysler New Yorker Base
    1972 Chrysler New Yorker Brougham
    1988 Chrysler New Yorker Turbo
    1966-1971 Chrysler Newport Base
    1967-1972 Chrysler Newport Custom
    1971-1972 Chrysler Newport Royal
    2001-2002 Chrysler PT Cruiser Base
    2002 Chrysler PT Cruiser Dream
    2001-2002 Chrysler PT Cruiser Limited
    2001-2002 Chrysler PT Cruiser Touring
    1966-1972,1975-1988,1990-1996 Chrysler Town & Country Base
    2002 Chrysler Town & Country EL
    2001-2002 Chrysler Town & Country EX
    1999-2002 Chrysler Town & Country Limited
    1996-2002 Chrysler Town & Country LX
    1996-2002 Chrysler Town & Country LXi
    1983-1986 Chrysler Town & Country Mark Cross
    1997-1999 Chrysler Town & Country SX
    2000-2002 Chrysler Voyager Base
    2001-2002 Chrysler Voyager LX
    2000 Chrysler Voyager SE
    1988-1989 Dodge Aries America
    1981-1985 Dodge Aries Base
    1981-1984 Dodge Aries Custom
    1985-1987 Dodge Aries LE
    1981-1986 Dodge Aries SE
    1976-1980 Dodge Aspen Base
    1976-1977 Dodge Aspen Custom
    1976-1977 Dodge Aspen Special Edition
    1975-1980 Dodge B100 Base
    1972-1974 Dodge B100 Van Base
    1972-1974 Dodge B100 Van Sportsman
    1981-1994 Dodge B150 Base
    1995-1998 Dodge B1500 Base
    1975-1980 Dodge B200 Base
    1972-1974 Dodge B200 Van Base
    1972-1974 Dodge B200 Van Maxi
    1972-1974 Dodge B200 Van Maxi Wagon
    1972-1974 Dodge B200 Van Sportsman
    1981-1994 Dodge B250 Base
    1995-1998 Dodge B2500 Base
    1975-1980 Dodge B300 Base
    1972-1974 Dodge B300 Van Base
    1972-1974 Dodge B300 Van Maxi
    1972-1974 Dodge B300 Van Maxi Wagon
    1972-1974 Dodge B300 Van Sportsman
    1981-1994 Dodge B350 Base
    1995-1998 Dodge B3500 Base
    1984-2000 Dodge Caravan Base
    1989-1995 Dodge Caravan C/V
    2002 Dodge Caravan Ec
    1990-1999 Dodge Caravan ES
    1984-1999 Dodge Caravan LE
    1984-2002 Dodge Caravan SE
    1998-2002 Dodge Caravan Sport
    1973-1980 Dodge CB300 Base
    1970-1972 Dodge Challenger Base
    1970-1971 Dodge Challenger R/T
    1972 Dodge Challenger Rallye
    1970 Dodge Challenger T/A
    1969-1971 Dodge Charger 500
    1966-1972 Dodge Charger Base
    1969 Dodge Charger Daytona
    1967-1971 Dodge Charger R/T
    1969 Dodge Charger SE
    1971-1972 Dodge Charger Special Edition
    1971 Dodge Charger Super Bee
    1971-1972,1975-1980 Dodge Colt Base
    1988-1990 Dodge Colt DL
    1984-1991 Dodge Colt Vista
    1986 Dodge Colt Vista Custom
    1966-1970 Dodge Coronet 440
    1966-1970 Dodge Coronet 500
    1966,1970-1972,1975-1976 Dodge Coronet Base
    1971 Dodge Coronet Brougham
    1971-1972,1975-1976 Dodge Coronet Crestwood
    1971-1972,1975 Dodge Coronet Custom
    1966-1970 Dodge Coronet Deluxe
    1967-1970 Dodge Coronet R/T
    1968-1970 Dodge Coronet Super Bee
    1979-1980 Dodge D50 Base
    1981-1982 Dodge D50 Custom
    1981-1982 Dodge D50 Royal
    1979-1982 Dodge D50 Sport
    1966-1968 Dodge Dart 270
    1966-1972 Dodge Dart Base
    1969-1972 Dodge Dart Custom
    1971-1972 Dodge Dart Demon
    1971-1972 Dodge Dart Demon 340
    1966-1969 Dodge Dart GT
    1968-1969 Dodge Dart GTS
    1971-1972 Dodge Dart Special
    1969-1972 Dodge Dart Swinger
    1977-1978,1980-1981 Dodge Diplomat Base
    1977-1978,1980-1983 Dodge Diplomat Medallion
    1978 Dodge Diplomat S
    1979-1989 Dodge Diplomat Salon
    1984-1989 Dodge Diplomat SE
    1992-2000 Dodge Grand Caravan Base
    2002 Dodge Grand Caravan EL
    1992-2002 Dodge Grand Caravan ES
    2001-2002 Dodge Grand Caravan EX
    1987-2000 Dodge Grand Caravan LE
    1987-2002 Dodge Grand Caravan SE
    2000-2002 Dodge Grand Caravan Sport
    1984-1988 Dodge Mini Ram Base
    1984-1987 Dodge Mini Ram Royal
    1967-1968 Dodge Monaco 500
    1966-1972,1975-1978 Dodge Monaco Base
    1977 Dodge Monaco Brougham
    1977-1978 Dodge Monaco Crestwood
    1975-1976 Dodge Monaco Royal
    1975-1976 Dodge Monaco Royal Brougham
    1968-1969 Dodge Polara 500
    1966-1972 Dodge Polara Base
    1971 Dodge Polara Brougham
    1970-1972 Dodge Polara Custom
    1970 Dodge Polara Special
    1983-1986 Dodge Power Ram 50 Custom
    1984-1985 Dodge Power Ram 50 Royal
    1983-1986 Dodge Power Ram 50 Sport
    1999-2002 Dodge Ram 1500 Van Base
    1994-2002 Dodge Ram 2500 Base
    1999-2002 Dodge Ram 2500 Van Base
    1994-2002 Dodge Ram 3500 Base
    1999-2002 Dodge Ram 3500 Van Base
    1987-1993 Dodge Ram 50 Base
    1983-1989 Dodge Ram 50 Custom
    1990-1991 Dodge Ram 50 LE
    1983-1985 Dodge Ram 50 Royal
    1990-1993 Dodge Ram 50 SE
    1983-1989 Dodge Ram 50 Sport
    1975-1984 Ford Bronco Custom
    1975,1978 Ford Bronco Northland
    1975 Ford Bronco Ranger
    1978-1981 Ford Bronco Ranger XLT
    1975-1977 Ford Bronco Sport
    1982-1983 Ford Bronco XLS
    1984 Ford Bronco XLT
    1982-1983 Ford Bronco XLT Lariat
    1984 Ford Bronco II Base
    1984 Ford Bronco II Eddie Bauer
    1984 Ford Bronco II XLS
    1984 Ford Bronco II XLT
    1975-1976 Ford Custom 500 Ranch Wagon
    1975-1982 Ford E-100 Econoline Base
    1975-1982 Ford E-100 Econoline Chateau
    1975-1983 Ford E-100 Econoline Custom
    1975-1978 Ford E-100 Econoline Northland
    1983 Ford E-100 Econoline XL
    1975-1982 Ford E-100 Econoline Club Wagon Base
    1975-1982 Ford E-100 Econoline Club Wagon Chateau
    1975-1983 Ford E-100 Econoline Club Wagon Custom
    1975-1978 Ford E-100 Econoline Club Wagon Northland
    1983 Ford E-100 Econoline Club Wagon XL
    1975-1982,1984 Ford E-150 Econoline Base
    1975-1982 Ford E-150 Econoline Chateau
    1975-1983 Ford E-150 Econoline Custom
    1975-1978 Ford E-150 Econoline Northland
    1983-1984 Ford E-150 Econoline XL
    1975-1982,1984 Ford E-150 Econoline Club Wagon Base
    1975-1982 Ford E-150 Econoline Club Wagon Chateau
    1975-1983 Ford E-150 Econoline Club Wagon Custom
    1975-1978 Ford E-150 Econoline Club Wagon Northland
    1983-1984 Ford E-150 Econoline Club Wagon XL
    1984 Ford E-150 Econoline Club Wagon XLT
    1975-1982,1984 Ford E-250 Econoline Base
    1975-1982 Ford E-250 Econoline Chateau
    1975-1983 Ford E-250 Econoline Custom
    1975-1978 Ford E-250 Econoline Northland
    1983-1984 Ford E-250 Econoline XL
    1975-1982,1984 Ford E-250 Econoline Club Wagon Base
    1975-1982 Ford E-250 Econoline Club Wagon Chateau
    1975-1983 Ford E-250 Econoline Club Wagon Custom
    1975-1978 Ford E-250 Econoline Club Wagon Northland
    1983-1984 Ford E-250 Econoline Club Wagon XL
    1984 Ford E-250 Econoline Club Wagon XLT
    1975-1982,1984 Ford E-350 Econoline Base
    1975-1982 Ford E-350 Econoline Chateau
    1975-1983 Ford E-350 Econoline Custom
    1975-1978 Ford E-350 Econoline Northland
    1983-1984 Ford E-350 Econoline XL
    1977-1982,1984 Ford E-350 Econoline Club Wagon Base
    1977-1982 Ford E-350 Econoline Club Wagon Chateau
    1977-1983 Ford E-350 Econoline Club Wagon Custom
    1977-1978 Ford E-350 Econoline Club Wagon Northland
    1983-1984 Ford E-350 Econoline Club Wagon XL
    Shipping Policy

    Shipping Policy Last Updated: April 2026

    We're committed to getting your order to you as quickly and transparently as possible. Here's everything you need to know about how we ship.

    Order Cancellations

    Once an order is placed, cancellations are not guaranteed as orders are sent to fulfillment quickly. If you need to cancel, contact us immediately at sales@berryperformancesales.com. If a cancellation is possible, the buyer is responsible for any transaction fees incurred. If the order has already shipped, it cannot be cancelled and must go through our standard return process.

    Processing Time

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

    Shipping Costs

    Shipping costs are calculated at checkout based on the shipping method selected, package weight and dimensions, and destination address. You can review all shipping costs before finalizing your purchase.

    Estimated Delivery Times

    Domestic orders typically arrive within 1–7 business days after shipment, depending on your location and the carrier. Please note that delivery times are estimates and are not guaranteed. Delays due to weather, carrier volume, or other circumstances beyond our control may occur.

    Tracking Information

    Once your order ships, you will receive a confirmation email with tracking information. Use this to monitor your package's progress. If your tracking has not updated within 48 hours of receiving your confirmation email, please contact us and we'll look into it.

    Shipping Address

    Please ensure your shipping address is accurate and complete before placing your order. If you realize an error after ordering, contact us immediately at sales@berryperformancesales.com — we will do our best to make the correction, but changes cannot be guaranteed once an order is in fulfillment. We are not responsible for orders shipped to incorrect or undeliverable addresses due to customer error.

    Please note: We are unable to ship to P.O. Boxes. Please provide a physical delivery address at checkout.

    Lost or Stolen Packages

    If your tracking shows your order as delivered but you have not received it, please take the following steps:

    • Check around your property and with neighbors
    • Confirm the shipping address on your order was correct
    • Contact the carrier directly with your tracking number

    If the issue remains unresolved, contact us at sales@berryperformancesales.com within 5 business days of the marked delivery date. We will work with you and the carrier to investigate. Berry Performance Sales is not responsible for packages confirmed as delivered by the carrier or for packages stolen after delivery.

    Damaged in Transit

    If your order arrives visibly damaged, please refer to our Returns & Refunds policy for instructions on how to report the issue. Carrier damage claims must be reported within 48 hours of delivery.

    International Shipping

    We do ship internationally! Because shipping costs, carrier options, and transit times vary significantly by destination, international orders require a custom quote prior to purchase. To request a shipping quote, contact us at sales@berryperformancesales.com with the following:

    • Your country and full delivery address
    • The item(s) you are interested in ordering

    We will respond with a shipping quote as quickly as possible. Please note that customs duties, import taxes, and any other fees charged upon delivery are the sole responsibility of the recipient and are not included in your shipping quote. We recommend checking with your local customs office before placing your order.

    Off-Road Use Disclaimer

    All products are sold for off-road use only unless otherwise specified. The buyer assumes full responsibility for installation and operation. Berry Performance Sales is not liable for any incidental, indirect, or consequential damages including engine failure, labor charges, or vehicle downtime resulting from the use of any product sold. By placing an order, you acknowledge and accept these terms.

    Questions?

    We're happy to help before, during, or after your purchase. Email: sales@berryperformancesales.com

    Berry Performance Sales reserves the right to update this policy at any time. Changes take effect immediately upon posting. It is the customer's responsibility to review the current policy at the time of purchase.

    Return Policy

    Returns & Refunds Last Updated: April 2026

    We want you to love what you ordered. If something isn't right, here's everything you need to know.

    30-Day Return Window

    You have 30 days from the date of purchase to initiate a return. After this window, we are unable to accept returns. We do not offer exchanges — all approved returns are refunded per the terms below.

    How to Initiate a Return

    To request a return, contact us at sales@berryperformancesales.com with your order number and reason for return. All returns must be approved by our team before any item is shipped back to us. Once your return has been approved, your item must be shipped within 10 days of approval. Items shipped without prior approval or outside this window will be refused and returned to sender.

    Return Conditions

    To be eligible for a return, items must be:

    • Unused and in original condition
    • In original packaging
    • Inclusive of all parts and accessories

    Custom ordered products are non-returnable. If you're unsure whether your item qualifies, contact us before purchasing.

    Once we receive your return, we will inspect the item before processing any refund. We reserve the right to deny or adjust your refund if the item is received in a condition that differs from what was originally shipped — including signs of use, missing parts, or damage that occurred after delivery.

    Fees to Know Upfront

    We believe in being transparent about costs:

    • Restocking Fee: 20% — deducted from all return refunds
    • Return Shipping: Buyer's responsibility on all standard returns
    • Cancellation (Installment/Payment Plan): 7% fee to cover transaction costs
    • Cancellation (Credit Card/PayPal): 3.5% processing fee

    Damaged or Defective Items

    If your order arrives damaged or defective, you must contact us within 48 hours of delivery at sales@berryperformancesales.com. Claims reported outside this window may not be eligible for resolution.

    When contacting us, please include:

    • Your order number
    • A description of the issue
    • Clear photos or video of the damage or defect

    If your item was damaged during shipping, this is handled as a carrier claim separate from our standard return process — we will assist you in filing that claim. Items confirmed to be defective due to a manufacturing or fulfillment error will have return shipping costs covered by Berry Performance Sales.

    Refunds

    Once we receive and inspect your return, refunds are processed within 3–5 business days back to your original payment method. You'll receive a confirmation once it's been issued.

    Questions?

    We're happy to help before, during, or after your purchase. Email: sales@berryperformancesales.com

    Berry Performance Sales reserves the right to update this policy at any time. Changes take effect immediately upon posting. It is the customer's responsibility to review the current policy at the time of purchase.

    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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