Eaton

Eaton Detroit Truetrac Differential 31 Spline 1.32in Axle Shaft Diameter 3.25 & Up Ratio - 913A586

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SKU:
EAT913A586
MPN:
913A586
Availability:
Regularly stocked product
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MSRP: $734.77
$675.99
— You save $58.78
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Description

Will the Eaton Truetrac Differential fit my vehicle?
Confirm your specific vehicle's axle type and model year to ensure perfect fitment for your Eaton Truetrac Differential.

How difficult is the Eaton Truetrac Differential to install?
Install the Eaton Truetrac Differential as a simple drop-in replacement, designed for straightforward integration into your existing drivetrain.

Eaton Truetrac Differentials deliver superior grip during acceleration, achieving an 8 out of 10 score for Street Performance. Its helical-gear style and maintenance-free helical gears ensure smooth, automatic operation in forward and reverse. Experience enhanced control and confidence with this exceptional performance upgrade for your differentials.

What Owners Say

Owners and enthusiasts consistently praise the Eaton Detroit Truetrac for delivering smooth, silent operation that eliminates the tire-squealing and clicking associated with traditional lockers. The helical gear design earns recognition for requiring zero maintenance while providing noticeably better traction than open differentials. Users particularly appreciate how smoothly it engages during towing and off-road use, with passengers no longer startled by sudden locker activation. The trade-off is clear: it doesn't match the ultimate traction of selectable or mechanical lockers in extreme situations. Still, for drivers seeking reliable everyday performance with occasional off-road capability, the Truetrac has built a strong reputation as the best balance of on-road manners and improved traction.

Key Features

  • helical-gear style
  • limited-slip differential
  • maintenance-free
  • smooth automatic operation in forward and reverse
  • Optimized Torque Bias Ratios
  • Helical Gear Limited Slip Differential

Why Choose the EAT Detroit Truetrac Diffs

Delivers seamless traction on any surface, enhancing control and confidence.

Provides smooth, automatic power distribution for predictable handling in all conditions.

Achieves superior grip during acceleration, reducing wheelspin and improving launch.

Transforms your driving experience with reliable performance, no adjustments needed.

Who Is This For?

Street Performance — 8/10
Improves grip and reduces wheelspin during acceleration.

Track / Autocross — 7/10
Optimized torque bias ratios enhance cornering grip.

Drag Racing — 8/10
Superior grip reduces wheelspin for improved launch.

Daily Driving Comfort — 7/10
Smooth automatic operation in forward and reverse.

Racing Competition — 7/10
Helical gear limited slip enhances traction.

Easy DIY Install — 9/10
Drop-in install type simplifies installation process.

Additional Resources

Official Eaton Product Page

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Additional Information

Clearance Item:
N
MPN:
913A586
Proposition 65:
N
Case Lot Quantity:
1
Category:
Drivetrain>Differentials
Install Type:
Drop-In
Product Level:
Mid Range
Street Performance:
8/10
Track / Autocross:
7/10
Drag Racing:
8/10
Daily Driving Comfort:
7/10
Racing Competition:
7/10
Easy DIY Install:
9/10
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