$5 Off Your $100 Mobile App Purchase - Get the App

$5 Off Your $100 Mobile App Purchase - Get the App

Summit Racing Gift Cards - ALWAYS the Perfect Gift!

Selected Filters


Loading...

Availability


Eaton Detroit Truetrac Differentials

4.78 out of 5 stars 502 Customer Reviews

Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground conditions warrant. These replacement units are available for dozens of axle applications.

Results 1 - 23 of 23

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.5/8.6 in., 2.73 & up, Each

Part Number: ETN-913A481

4.85 out of 5 stars ( 135 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, Limited Slip, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-913A561

4.86 out of 5 stars ( 28 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Rear, Each

Part Number: ETN-912A556

4.84 out of 5 stars ( 31 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 12-Bolt Truck, Each

Part Number: ETN-913A315

4.56 out of 5 stars ( 16 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 31-Spline, Ford 9 in., Each

Part Number: ETN-913A586

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.10 and Lower Ratios, Each

Part Number: ETN-915A545

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 33-Spline, GM, 14-Bolt, 9.5 in., Each

Part Number: ETN-914A538

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 27-Spline, Dana 30, Each

Part Number: ETN-912A585

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 28-Spline, Ford, 8.8 in., Each

Part Number: ETN-912A562

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 26-Spline, GM, 7.5 in., 3.23 and Higher, Each

Part Number: ETN-911A319

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 31-Spline, Chrysler 9.25 in., Each

Part Number: ETN-913A368

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 26-Spline, GM, 7.5 in., 3:08 and Down, Each

Part Number: ETN-911A415

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, 3.73:1 and Down Only, Dana 44, Each

Part Number: ETN-913A589

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, Limited Slip, 28-Spline, Ford, 9 in., Each

Part Number: ETN-912A587

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Detroit Truetrac, 29-Spline, Hummer/AMC 20 IRS, 3.08:1 + Higher, Each

Part Number: ETN-912A579

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.56 and Higher Ratios, Each

Part Number: ETN-915A547

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, Dana 44, Each

Part Number: ETN-913A592

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 27-Spline, Dana 30 10-Bolt, Volvo, Each

Part Number: ETN-912A588

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 30-Spline, Dana 44, Each

Part Number: ETN-913A591

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, 3.92:1 and Up Only, Dana 44, Each

Part Number: ETN-913A590

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Differential, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Truck, Front, Each

Part Number: ETN-912A557

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 27, 2026 if ordered today

Differential, Eaton Detroit Truetrac, 30-Spline, Toyota, 8 in. Rear, Each

Part Number: ETN-913A611

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Jan 27, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 27, 2026 if ordered today

Differential, Detroit Truetrac, 28-Spline, Ford, 7.5 in., Each

Part Number: ETN-912A316

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 27, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 27, 2026 if ordered today

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.