{"product_id":"eaton-detroit-truetrac-differential-30-spline-3-92-and-up-ratio-rear-dana-44-part-number-913a590","title":"Eaton Detroit Truetrac Differential, 30 Spline, 3.92 and Up Ratio, Rear Dana 44 - Part Number 913A590","description":"The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse.  Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.\nDetroit Truetrac® Differential; 30 Spline; 3.92 And Up; Rear Dana 44;\n\u003cul\u003e\n  \u003cli\u003eOptimized Torque Bias Ratios Deliver Max Acceleration And Handling\u003c\/li\u003e\n  \u003cli\u003eNo Special Lubrication Or Friction Modifiers Needed\u003c\/li\u003e\n  \u003cli\u003eHelical Gear Limited Slip Differential\u003c\/li\u003e\n  \u003cli\u003eDurable; Smooth; Quiet Operation\u003c\/li\u003e\n  \u003cli\u003eWorks In Forward And Reverse\u003c\/li\u003e\n  \u003cli\u003eIdeal For Most Vehicles\u003c\/li\u003e\n  \u003cli\u003eAutomatic Engagement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Eaton Detroit Truetrac Differential is a helical-gear limited-slip differential designed to improve traction, acceleration, and handling in vehicles equipped with a rear Dana 44 axle. This maintenance-free unit uses automatic torque transfer to help direct power to the wheel with greater traction, providing smooth and predictable performance in forward and reverse.\u003c\/p\u003e\n\u003cp\u003eFeaturing a 30-spline configuration and compatibility with 3.92-and-up gear ratios, the Eaton Detroit Truetrac Part Number 913A590 is engineered for dependable drivetrain performance across a wide range of automotive applications. Its optimized torque-bias characteristics help maximize wheel traction without requiring driver activation, making it a practical upgrade for street, performance, and off-road vehicles where consistent power delivery is important.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e Helical-gear limited-slip design provides automatic traction management without electronic controls.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e Optimized torque-bias ratios improve acceleration and handling by transferring torque to the wheel with available traction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e Maintenance-free operation requires no special lubrication or friction modifiers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e Durable construction delivers smooth, quiet, and dependable operation in forward and reverse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications and Technical Data:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Eaton\u003c\/li\u003e\n  \u003cli\u003eProduct Line: Detroit Truetrac\u003c\/li\u003e\n  \u003cli\u003ePart Number: 913A590\u003c\/li\u003e\n  \u003cli\u003eDifferential Type: Helical-gear limited-slip differential\u003c\/li\u003e\n  \u003cli\u003eAxle Application: Rear Dana 44\u003c\/li\u003e\n  \u003cli\u003eSpline Count: 30 spline\u003c\/li\u003e\n  \u003cli\u003eGear Ratio Compatibility: 3.92 and up\u003c\/li\u003e\n  \u003cli\u003eOperation: Automatic engagement in forward and reverse\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One Eaton Detroit Truetrac differential assembly for the specified rear Dana 44 application. Gear oil, installation hardware, axle components, and vehicle-specific accessories are not included unless otherwise stated by the manufacturer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Designed for compatible rear Dana 44 axle applications using 30-spline axle shafts and 3.92-and-up gear ratios. Verify axle configuration, spline count, gear ratio, and vehicle-specific fitment before ordering.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHelical-gear limited-slip design provides automatic traction management without electronic controls.\u003c\/li\u003e\n\u003cli\u003eOptimized torque-bias ratios improve acceleration and handling by transferring torque to the wheel with available traction.\u003c\/li\u003e\n\u003cli\u003eMaintenance-free operation requires no special lubrication or friction modifiers.\u003c\/li\u003e\n\u003cli\u003eDurable construction delivers smooth, quiet, and dependable operation in forward and reverse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Unknown\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":67646952079612,"sku":"913A590","price":738.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/b99887b8556e01aff2bb11ec03f6c212_a3299c40-4111-4cd2-9215-572d1ea2d854.jpg?v=1791183524","url":"https:\/\/diycustoms.store\/products\/eaton-detroit-truetrac-differential-30-spline-3-92-and-up-ratio-rear-dana-44-part-number-913a590","provider":"diycustoms.store","version":"1.0","type":"link"}