Eaton Detroit Truetrac Differentials

4.78 out of 5 stars 499 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.

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Eaton Detroit Truetrac 27 Spline Differential Dana 30 912A585

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

Part Number: ETN-912A585

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Eaton Detroit Truetrac 30 Spline Differential Dana 44/44 IFS 913A592

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

Part Number: ETN-913A592

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Eaton Detroit Truetrac 30 Spline Differential Dana 44 913A591

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

Part Number: ETN-913A591

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Eaton Detroit Truetrac 31 Spline Differential Ford 8.8 Inch 917A738

Differential, Eaton Detroit Truetrac, Limited Slip, 31-Spline, All Ratios, Ford 8.8, Each

Part Number: ETN-917A738

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

Eaton Detroit Truetrac 27 Spline Differential Toyota 7.5 Inch, IFS 911A342

Differential, Eaton Detroit Truetrac, 27-Spline, Toyota, Front, 7.5 in., IFS, Each

Part Number: ETN-911A342

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Eaton Detroit Truetrac 27 Spline Differential Toyota 7.5 Inch, IFS 911A445

Differential, Eaton Detroit Truetrac, Limited Slip, 27-Spline, Toyota, 7.5 in., Each

Part Number: ETN-911A445

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

Eaton Detroit Truetrac 28 Spline Differential GM 8.5 Inch 912A557

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

Part Number: ETN-912A557

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

Eaton Detroit Truetrac 30 Spline Differential Toyota 8.4 Inch 913A612

Differential, Detroit Truetrac, 30-Spline, Toyota, Front, 8.4 in., Each

Part Number: ETN-913A612

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

Eaton Detroit Truetrac 28 Spline Differential Ford 8.8 Inch, IFS 912A563

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

Part Number: ETN-912A563

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

Eaton Detroit Truetrac 24 Spline Differential Land Rover 912A407

Differential, Eaton Detroit Truetrac, Limited Slip, 24-Spline, Land Rover, Front, Each

Part Number: ETN-912A407

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

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