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Detroit Truetrac Differentials


Detroit Locker
Detroit Truetrac Differentials

The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics.

The Truetrac operates as a standard or open differential under normal driving conditions, allowing one wheel to spin faster or slower as necessary. When a wheel encounters a loss of traction or the terrain changes, the gear separation forces take effect and transfer torque to the high-traction wheel. The helical-shaped gears mesh with increasing force until wheel spin is slowed or completely stopped. When the vehicle exits the low traction situation, the differential resumes normal operation.

Operation of the Truetrac is smooth, quiet and automatic. The unit will engage without any driver knowledge or action required. It also has no wearable parts and requires no maintenance, meaning less time in the garage and more on the road.

Features:
  • Helical-style pinion gears
  • Limited-slip operation
  • Smooth and automatic engagement - no driver action needed
  • Parts are maintenance free meaning more time on the road
  • Validated performance and durability



  • 63 Products Page: 1 2 3 ... |  Next Results per Page:
    AMC 20

    357-912A549
    Detroit Truetrac Differential
  • AMC 20 Independent Front Suspension
  • Hummer H1
  • 29-Spline Axles
  • 8.875" Diameter Ring Gear
  • Fits 2.73 & Down Gear Ratios
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  • $604.99
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    357-912A573
    Detroit Truetrac Differential
  • AMC 20
  • 1980-86 Jeep
  • Hummer H1
  • 29-Spline Axles
  • 8.875" Diameter Ring Gear
  • Fits 2.73 & Down Gear Ratios
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  • $543.99
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    357-912A579
    Detroit Truetrac Differential
  • AMC 20
  • 1980-86 Jeep
  • Hummer H1 IRS
  • 29-Spline Axles
  • 8.875" Diameter Ring Gear
  • Fits 3.08 & Up Gear Ratios
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  • $625.99
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    Chrysler 8.375"

    357-912A553
    Detroit Truetrac Differential
  • Chrysler 8.375"
  • 1997-09 MOPAR Truck/Van
  • 29-Spline Axles
  • 8.375" Diameter Ring Gear
  • Fits 2.73 & Up Gear Ratios
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  • $645.99
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    Chrysler 8.75"

    357-913A572
    Detroit Truetrac Differential
  • Chrysler 8.75"
  • 1965-74 Chrysler Truck/Van
  • 30-Spline Axles
  • 8.75" Diameter Ring Gear
  • Fits 2.76-4.56 Gear Ratios
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  • $549.99
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    357-914A583
    Detroit Truetrac Differential
  • Chrysler 8.75"
  • 1965-74 Chrysler Truck/Van
  • 33-Spline Axles
  • 8.75" Diameter Ring Gear
  • Fits 2.76-4.56 Gear Ratios
    More info on Detroit Locker 914A583
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  • $631.99
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    Chrysler 9.25"

    357-913A368
    Detroit Truetrac Differential
  • Chrysler 9.25"
  • 1974-10 Chrysler Truck/Van
  • 31-Spline Axles
  • 9.25" Diameter Ring Gear
  • Fits 2.76-4.56 Gear Ratios
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    Fits Applications
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    Dana 44

    357-913A591
    Detroit Truetrac Differential
  • Dana 44
  • To 1980 GM Truck/Van
  • 1983-97 Ford Truck
  • 1984-01 MOPAR
  • 30-Spline Axles
  • 8.5" Diameter Ring Gear
  • Fits 3.73 & Down Gear Ratios
  • Front Only
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  • $481.99
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    357-913A592
    Detroit Truetrac Differential
  • Dana 44
  • To 1980 GM Truck/Van
  • 1983-97 Ford Truck
  • MOPAR 1984-01
  • 30-Spline Axles
  • 8.5" Diameter Ring Gear
  • Fits 3.92 & Up Gear Ratios
  • Front Only
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    Dana 60

    357-913A389
    Detroit Truetrac Differential
  • Dana 60
  • Up To 1974 GM Truck/Van
  • 1972-02 MOPAR
  • 30-Spline Axles
  • 9.75" Diameter Ring Gear
  • Fits 4.10 & Down Gear Ratios
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  • $752.99
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    357-913A390
    Detroit Truetrac Differential
  • Dana 60
  • Up To 1974 GM Truck/Van
  • 1972-02 MOPAR
  • 30-Spline Axles
  • 9.75" Diameter Ring Gear
  • Fits 4.56 & Up Gear Ratios
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  • $651.99
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    Dana 60HD

    357-915A385
    Detroit Truetrac Differential
  • Dana 60HD
  • 1973-91 GM Truck/Van
  • 35-Spline Axles
  • 9.75" Ring Gear
  • Fits 4.10 & Down Gear Ratios
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  • $711.99
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    357-915A386
    Detroit Truetrac Differential
  • Dana 60HD
  • 1973-91 GM Truck/Van
  • 35-Spline Axles
  • 9.75" Ring Gear
  • Fits 4.56 & Up Gear Ratios
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  • $711.99
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    357-915A387
    Detroit Truetrac Differential
  • Dana 60HD
  • 1977-87 GM Truck/Van
  • 1971-93 MOPAR
  • 35-Spline Axles
  • 9.75" Diameter Ring Gear
  • Fits 4.10 & Down Gear Ratios
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  • $661.99
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    357-915A388
    Detroit Truetrac Differential
  • Dana 60HD
  • 1977-87 GM Truck/Van
  • 1971-93 MOPAR
  • 35-Spline Axles
  • 9.75" Diameter Ring Gear
  • Fits 4.56 & Up Gear Ratios
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  • $651.99
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    Dana 80

    357-915A567
    Detroit Truetrac Differential
  • Dana 80
  • 1994-02 Chrysler
  • 1998-09 Ford Truck/Van
  • 35-Spline Axles
  • 11.5" Diameter Ring Gear
  • Fits 3.73 & Down Gear Ratios
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  • $727.99
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    Ford 10.25"/10.5"

    357-915A550
    Detroit Truetrac Differential
  • 1985-12 Ford Truck
  • Ford 10.25"/10.5"
  • 35-Spline Axles
  • 10.25"/10.5" Diameter Ring Gear
  • Fits All Gear Ratios
    More info on Detroit Locker 915A550
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  • $574.99
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    Ford 7.5"

    357-912A316
    Detroit Truetrac Differential
  • Ford 7.5"
  • 1983-09 Ford Car/Truck
  • 28-Spline Axles
  • 7.5" Diameter Ring Gear
  • Fits All Gear Ratios
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    Ford 8"

    357-912A616
    Detroit Truetrac Differential
  • To 1978 Ford Car/Truck
  • Ford 8"
  • 28-Spline Axles
  • 8" Diameter Ring Gear
  • Fits 3.25" & Up Gear Ratios
    More info on Detroit Locker 912A616
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  • $545.99
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    357-913A701
    Detroit Truetrac Differential
  • Ford 8"
  • 1987-11 Ford Car/Light Truck/SUV
  • 33-Spline Axle
  • 8.8" Diameter Ring Gear
  • 4 Pinion
  • Fits All Gear Ratios
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  • $645.99
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    Ford 8.8"

    357-912A562
    Detroit Truetrac Differential
  • Ford 8.8"
  • 1983-11 Ford Car/Truck
  • 28-Spline Axles
  • 8.8" Diameter Ring Gear
  • Fits All Gear Ratios
    View this item

    Fits Applications
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    357-912A563
    Detroit Truetrac Differential
  • 1997-09 Ford IFS Car/Truck
  • Ford 8.8"
  • 28-Spline Axles
  • 8.8" Diameter Ring Gear
  • Fits All Gear Ratios
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  • $466.99
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    357-913A561
    Detroit Truetrac Differential
  • Ford 8.8"
  • 1987-11 Ford Car/Truck
  • 31-Spline Axles
  • 8.8'' Diameter Ring Gear
  • Fits All Gear Ratios
    View this item

    Fits Applications
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  • $489.99
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    Ford 9"

    357-912A587
    Detroit Truetrac Differential
  • Ford 9"
  • To 1979 Ford Car
  • 1957-1987 Ford Truck
  • 28-Spline Axles
  • 9" Diameter Ring Gear
  • Fits 3.25 & Up Gear Ratios
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  • $509.99
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    357-913A586
    Detroit Truetrac Differential
  • Ford 9"
  • 1957-78 Ford Car
  • 1957-87 Ford Truck
  • 31-Spline Axles
  • 9" Diameter Ring Gear
  • Fits 3.25 & Up Gear Ratios
    More info on Detroit Locker 913A586
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    Rebate for Detroit Locker 913A586 Installation Instructions for Detroit Locker 913A586
  • $509.99
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    357-914A690
    Detroit Truetrac Differential
  • Ford 9"
  • 35-Spline Axles
  • 9" Diameter Ring Gear
  • Fits 3.25 & Up Gear Ratios
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  • $757.99
    Order Today Ships 04/30/14
    Ford 9.75"

    357-913A477
    Detroit Truetrac Differential
  • Ford 9.75"
  • 1997-12 Ford Truck
  • 34-Spline Axles
  • 9.75" Diameter Ring Gear
  • Fits All Gear Ratios
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  • $584.99
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    Ford and Jeep Dana 44

    357-913A589
    Detroit Truetrac Differential
  • Ford and Jeep Dana 44
  • 1977-79 Ford Truck
  • 1969-12 Jeep
  • 30-Spline Axles
  • 8.5" Diameter Ring Gear
  • Fits 3.73 & Down Gear Ratios
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  • $471.99
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    357-913A589U
    Detroit Truetrac Differential
  • Ford and Jeep Dana 44
  • 1977-79 Ford Truck
  • 1969-12 Jeep
  • 30-Spline Axles
  • 8.5" Diameter Ring Gear
  • Fits 3.73 & Down Gear Ratios
  • USED
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    357-913A590
    Detroit Truetrac Differential
  • Ford and Jeep Dana 44
  • 1977-79 Ford Truck
  • 1969-09 Jeep
  • 30-Spline Axles
  • 8.5" Diameter Ring Gear
  • Fits 3.92 & Up Gear Ratios
    View this item
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    Rebate for Detroit Locker Installation Instructions for Detroit Locker
  • $481.99
    Order Today Ships 04/23/14

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