Eaton 913A586 Detroit Truetrac LSD for Ford 9" 31-Spline 3.25+ Gear Ratio
- Regular price
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$675.99 - Regular price
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$734.77 - Sale price
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$675.99
In Stock: 8
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Product Specification:
SKU:EAT913A586
MPN: 913A586
Weight: 16.8 lb
Inventory: 8
Type: Differentials
Vehicle Fitment
- 1957-1987 Ford Small Trucks, Minivans, SUVs with 9" Rear Axle, 31-Spline
- 1957-1986 Ford Half-Ton Trucks, Vans, SUVs with 9" Rear Axle, 31-Spline
- 1957-2018 Ford, Lincoln, Mercury Passenger Cars with 9" Rear Axle, 31-Spline
Fitment Notes
- Compatible with Ford 9" rear axles featuring 31-spline shafts and a 3.25:1 or numerically higher gear ratio.
- Not suitable for axles with a gear ratio lower than 3.25:1.
- Designed for vehicles with a 9-inch ring gear size.
Features
- Helical gear design for smooth, automatic torque transfer.
- Maintenance-free operation with no wearable parts.
- Enhanced traction for both on-road and off-road driving conditions.
- Quiet operation compared to traditional clutch-type limited-slip differentials.
Specifications
- Axle Type: Ford 9-inch Rear Axle
- Spline Count: 31
- Axle Shaft Diameter: 1.32 inches
- Ring Gear Size: 9 inches
- Gear Ratio Compatibility: 3.25:1 and up
- Weight: 16.59 lbs
Included Components
- 1x Eaton Detroit Truetrac Differential unit (Part # 913A586)
- Installation Instructions
- Warranty Information
Product Description
The Eaton 913A586 Detroit Truetrac Limited-Slip Differential is engineered for Ford 9-inch rear axles with 31-spline shafts and gear ratios of 3.25:1 and higher. Utilizing a helical gear design, it provides smooth and automatic torque transfer to the wheel with the most traction, enhancing vehicle performance in various driving conditions.
Ideal for both on-road and off-road applications, the Truetrac differential offers maintenance-free operation and quiet performance, making it a reliable choice for enthusiasts seeking improved traction and handling.




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