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Detroit Truetrac Differentials


Detroit Locker
Detroit Truetrac Differentials

Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket. It remains the leading helical gear-type limited-slip differential in the industry. Its proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction. Recognized not only for its durability but also it's smooth and quiet operation.

Power transfer is so smooth; it literally goes unnoticed by the driver. Engineered to work efficiently in front and rear axles. No maintenance - Just Traction!



AMC 20
Detroit Locker 912A549 - Detroit Truetrac Differentials
357-912A549
AMC 20 IFS Truetrac Differential
  • 29-Spline Axles
  • 8.875" Diameter Ring Gear
  • Fits 2.73 & Down Gear Ratios
  • $696.99
    Ships
    in 12-19 days
    Detroit Locker 912A573 - Detroit Truetrac Differentials
    357-912A573
    06/1976-86 AMC 20 Truetrac Differential
  • 29-Spline Axles
  • 8.875" Diameter Ring Gear
  • Fits 2.73 & Down Gear Ratios
  • $509.99
    Ships
    in 12-19 days
    Detroit Locker 912A579 - Detroit Truetrac Differentials
    357-912A579
    To 1998 AMC 20 IRS Truetrac Differential
  • 29-Spline Axles
  • 8.875" Diameter Ring Gear
  • Fits 3.08 & Up Gear Ratios
  • $559.99
    Ships
    in 12-19 days
    Chrysler 8.375
    Detroit Locker 912A553 - Detroit Truetrac Differentials
    357-912A553
    1997-07 Chrysler Truck/Van Truetrac Differential
  • 29-Spline Axles
  • 8.375" Diameter Ring Gear
  • Fits 2.73 & Up Gear Ratios
  • $491.99
    Ships
    in 12-19 days
    Chrysler 8.75
    Detroit Locker 913A572 - Detroit Truetrac Differentials
    357-913A572
    1969-74 Chrysler Truck/Van Truetrac Differential
  • 30-Spline Axles
  • 8.75" Diameter Ring Gear
  • Fits 2.76-4.56 Gear Ratios
  • $509.99
    Ships
    in 12-19 days
    Detroit Locker 914A583 - Detroit Truetrac Differentials
    357-914A583
    1969-74 Chrysler Truck/Van Truetrac Differential
  • 33-Spline Axles
  • 8.75" Diameter Ring Gear
  • Fits 2.76-7.56 Gear Ratios
    More info on Detroit Locker 914A583
  • $685.99
    Ships
    in 12-19 days
    Chrysler 9.25
    Detroit Locker 913A368 - Detroit Truetrac Differentials
    357-913A368
    1974-07 Chrysler Truck/Van Truetrac Differential
  • 31-Spline Axles
  • 9.25" Diameter Ring Gear
  • Fits 2.76-7.56 Gear Ratios
  • $509.99
    Ships
    Today
    Chrysler and Ford Dana 80
    Detroit Locker 915A567 - Detroit Truetrac Differentials
    357-915A567
    1994-02 Chrysler and 1998-07 Ford Truck/Van Truetrac Differential
  • 35-Spline Axles
  • 11.5" Diameter Ring Gear
  • Fits 3.73 & Down Gear Ratios
  • $644.99
    Ships
    in 12-19 days
    Ford 10.25/10.5
    Detroit Locker 915A550 - Detroit Truetrac Differentials
    357-915A550
    1985-07 Ford Car/Truck Truetrac Differential
  • 35-Spline Axles
  • 10.25"/10.5" Diameter Ring Gear
  • Fits All Gear Ratios
  • $596.99
    Ships
    in 12-19 days
    Ford 7.5
    Detroit Locker 912A316 - Detroit Truetrac Differentials
    357-912A316
    1983-07 Ford Car/Truck Truetrac Differential
  • 28-Spline Axles
  • 7.5" Diameter Ring Gear
  • Fits All Gear Ratios
  • $449.99
    Ships
    in 12-19 days
    Ford 8.8
    Detroit Locker 912A562 - Detroit Truetrac Differentials
    357-912A562
    1983-07 Ford Car/Truck Truetrac Differential
  • 28-Spline Axles
  • 8.8" Diameter Ring Gear
  • Fits All Gear Ratios
  • $449.99
    Ships
    Today
    Detroit Locker 912A563 - Detroit Truetrac Differentials
    357-912A563
    1997-07 Ford Car/Truck Truetrac Differential
  • 28-Spline Axles
  • 8.8" Diameter Ring Gear
  • Fits All Gear Ratios
  • $435.99
    Ships
    in 12-19 days
    Detroit Locker 913A561 - Detroit Truetrac Differentials
    357-913A561
    1983-07 Ford Car/Truck Truetrac Differential
  • 31-Spline Axles
  • 8.8'' Diameter Ring Gear
  • Fits All Gear Ratios
  • $449.99
    Ships
    Today
    Ford 8
    Detroit Locker 912A580 - Detroit Truetrac Differentials
    357-912A580
    To 1978 Ford Car/Truck Truetrac Differential
  • 28-Spline Axles
  • 8" Diameter Ring Gear
  • Fits 3.25" & Up Gear Ratios
  • $489.99
    Ships
    Today
    Ford 9
    Detroit Locker 912A587 - Detroit Truetrac Differentials
    357-912A587
    To 1979 Ford Car/Truck Truetrac Differential
  • 28-Spline Axles
  • 9" Diameter Ring Gear
  • Fits All Gear Ratios
  • $479.99
    Ships
    Today
    Detroit Locker 913A586 - Detroit Truetrac Differentials
    357-913A586
    1976-87 Ford Car/Truck Truetrac Differential
  • 31-Spline Axles
  • 9" Diameter Ring Gear
  • Fits All exc. 2.72 Gear Ratios
    More info on Detroit Locker 913A586
  • $479.99
    Ships
    Today
    Ford and Jeep Dana 44
    Detroit Locker 913A589 - Detroit Truetrac Differentials
    357-913A589
    1977-79 Ford Car/Truck and 1997-06 Jeep Truetrac Differential
  • 30-Spline Axles
  • 8.5" Diameter Ring Gear
  • Fits 3.73 & Down Gear Ratios
  • $439.99
    Ships
    in 12-19 days
    Detroit Locker 913A590 - Detroit Truetrac Differentials
    357-913A590
    1977-79 Ford Car/Truck and 1969-79 Jeep Truetrac Differential
  • 30-Spline Axles
  • 8.5" Diameter Ring Gear
  • Fits 3.92 & Up Gear Ratios
  • $439.99
    Ships
    in 12-19 days
    GM 10-Bolt
    Detroit Locker 911A319 - Detroit Truetrac Differentials
    357-911A319
    1975-89 GM Car/Truck Truetrac Differential
  • 26-Spline Axles
  • 7.5'' Diameter Ring Gear
  • Fits 3.23 & Up Gear Ratios
  • $375.99
    Ships
    Today
    Detroit Locker 911A415 - Detroit Truetrac Differentials
    357-911A415
    1975-89 GM Car/Truck Truetrac Differential
  • 26-Spline Axles
  • 7.5'' Diameter Ring Gear
  • Fits 3.08 & Down Gear Ratios
  • $375.99
    Ships
    Today
    Detroit Locker 912A317 - Detroit Truetrac Differentials
    357-912A317
    1988-05 GM Car/Truck Truetrac Differential
  • 28-Spline Axles
  • 7.5''/7.6'' Diameter Ring Gear
  • Fits 3.23 & Up Gear Ratios
  • $375.99
    Ships
    Today
    Detroit Locker 912A556 - Detroit Truetrac Differentials
    357-912A556
    1971-89 GM Car/Truck Truetrac Differential
  • 28-Spline Axles
  • 8.5'' Diameter Ring Gear
  • Fits 2.73 & Up Gear Ratios
  • $409.99
    Ships
    Today
    Detroit Locker 912A557 - Detroit Truetrac Differentials
    357-912A557
    1971-89 GM Car/Truck Truetrac Differential
  • 28-Spline Axles
  • 8.5'' Diameter Ring Gear
  • Fits 2.73 & Up Gear Ratios
  • $409.99
    Ships
    in 12-19 days
    Detroit Locker 913A481 - Detroit Truetrac Differentials
    357-913A481
    1988-Up GM Car/Truck Truetrac Differential
  • 30-Spline Axles
  • 8.5''/8.6'' Diameter Ring Gear
  • Fits 2.73 & Up Gear Ratios
    More info on Detroit Locker 913A481
  • $409.99
    Ships
    12/04/08
    GM 12-Bolt
    Detroit Locker 913A315 - Detroit Truetrac Differentials
    357-913A315
    To 1982 GM Car/Truck Truetrac Differential
  • 30-Spline Axles
  • 8.875" Diameter Ring Gear
  • Fits 3.73 & Up Gear Ratios
  • $409.99
    Ships
    Today
    Detroit Locker 913A555 - Detroit Truetrac Differentials
    357-913A555
    1964-72 GM Car Truetrac Differential
  • 30-Spline Axles
  • 8.875'' Diameter Ring Gear
  • Fits 3.08-3.90 Gear Ratios
  • $439.99
    Ships
    Today
    Detroit Locker 914A575 - Detroit Truetrac Differentials
    357-914A575
    1964-72 GM Car/Truck Truetrac Differential
  • 33-Spline Axles
  • 8.875" Diameter Ring Gear
  • Fits 4.10 & Up Gear Ratios
  • $429.99
    Ships
    in 12-19 days
    Detroit Locker 914A576 - Detroit Truetrac Differentials
    357-914A576
    1964-72 GM Car/Truck Truetrac Differential
  • 33-Spline Axles
  • 8.5/8.6" Diameter Ring Gear
  • Fits 3.08-390 Gear Ratios
  • $449.99
    Ships
    in 12-19 days
    GM 14-Bolt
    Detroit Locker 914A538 - Detroit Truetrac Differentials
    357-914A538
    1981-07 GM Truck Posi Unit
  • 33-Spline Axles
  • 9.5" Diameter Ring Gear
  • Fits All Gear Ratios
  • $559.99
    Ships
    Today
    GM Dana 60
    Detroit Locker 913A389 - Detroit Truetrac Differentials
    357-913A389
    To 1974 GM Truck/Van Truetrac Differential
  • 30-Spline Axles
  • 9.75" Diameter Ring Gear
  • Fits 4.10 & Down Gear Ratios
  • $599.99
    Ships
    in 12-19 days
    GM Dana 60HD
    Detroit Locker 915A385 - Detroit Truetrac Differentials
    357-915A385
    1975-77 GM Truck/Van Truetrac Differential
  • 35-Spline Axles
  • 9.75" Ring Gear
  • Fits 4.10 & Down Gear Ratios
  • $509.99
    Ships
    in 12-19 days
    Detroit Locker 915A386 - Detroit Truetrac Differentials
    357-915A386
    1975-77 GM Truck/Van Truetrac Differential
  • 35-Spline Axles
  • 9.75" Ring Gear
  • Fits 4.56 & Up Gear Ratios
  • $579.99
    Ships
    in 12-19 days
    Detroit Locker 915A387 - Detroit Truetrac Differentials
    357-915A387
    1977-87 GM Truck/Van Truetrac Differential
  • 35-Spline Axles
  • 9.75" Diameter Ring Gear
  • Fits 4.10 & Down Gear Ratios
  • $579.99
    Ships
    in 12-19 days
    Detroit Locker 915A388 - Detroit Truetrac Differentials
    357-915A388
    1977-87 GM Truck/Van Truetrac Differential
  • 35-Spline Axles
  • 9.75" Diameter Ring Gear
  • Fits 4.56 & Up Gear Ratios
  • $696.99
    Ships
    in 12-19 days
    GM and Ford Dana 44
    Detroit Locker 913A591 - Detroit Truetrac Differentials
    357-913A591
    To 1980 GM Truck/Van and 1983-96 Ford Car/Truck Truetrac Differential
  • 30-Spline Axles
  • 8.5" Diameter Ring Gear
  • Fits 3.73 & Down Gear Ratios
  • $449.99
    Ships
    Today
    Detroit Locker 913A592 - Detroit Truetrac Differentials
    357-913A592
    To 1980 GM Truck/Van and 1983-96 Ford Car/Truck Truetrac Differential
  • 30-Spline Axles
  • 8.5" Diameter Ring Gear
  • Fits 3.92 & Up Gear Ratios
  • $439.99
    Ships
    Today
    GM and Ford Dana 80
    Detroit Locker 916A427 - Detroit Truetrac Differentials
    357-916A427
    1992-07 GM and 1990-98 Ford Truck/Van Truetrac Differential
  • 37-Spline Axles
  • 11.5" Diameter Ring Gear
  • Fits 4.10 & Up Gear Ratios
  • $644.99
    Ships
    in 12-19 days
    Jeep Dana 30
    Detroit Locker 912A584 - Detroit Truetrac Differentials
    357-912A584
    1971-06 Jeep Truetrac Differential
  • 27-Spline Axles
  • Fits 3.54 & Down Gear Ratios
    More info on Detroit Locker 912A584
  • $559.99
    Ships
    in 12-19 days
    Detroit Locker 912A585 - Detroit Truetrac Differentials
    357-912A585
    1971-06 Jeep Truetrac Differential
  • 27-Spline Axles
  • Fits 3.73 & Up Gear Ratios
    More info on Detroit Locker 912A585
  • $375.99
    Ships
    in 12-19 days
    Jeep Dana 35
    Detroit Locker 912A569 - Detroit Truetrac Differentials
    357-912A569
    1984-06 Jeep Truetrac Differential
  • 27-Spline Axles
  • 7.56" Diameter Ring Gear
  • Fits 3.54 & Up Gear Ratios
  • $379.99
    Ships
    in 12-19 days
    Land Rover
    Detroit Locker 910A400 - Detroit Truetrac Differentials
    357-910A400
    1985-93 Rover Type Truetrac Differential
  • 10-Spline Axles
  • Fits 3.54 Gear Ratio
    More info on Detroit Locker 910A400
  • $482.99
    Ships
    in 12-19 days
    Detroit Locker 910A416 - Detroit Truetrac Differentials
    357-910A416
    1985-93 Rover Type Truetrac Differential
  • 10-Spline Axles
  • Fits 3.54 Gear Ratio
    More info on Detroit Locker 910A416