{"product_id":"eaton-detroit-truetrac-differential-eat912a317-28-spline-rear-differential-for-7-5-inch-and-7-625-inch-axles","title":"Eaton Detroit Truetrac Differential EAT912A317, 28-Spline Rear Differential for 7.5-Inch and 7.625-Inch Axles","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; 28 Spline; 1.20 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; Rear; 7.5 in.\/7.625 in.;\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 EAT912A317 is a helical-gear limited-slip differential designed to improve traction, acceleration, and handling in rear-wheel-drive applications. Engineered for 7.5-inch and 7.625-inch rear axle assemblies with 28-spline axle shafts and a 3.23-and-up ring gear-to-pinion ratio, this Detroit Truetrac differential automatically distributes torque to the wheel with the most available traction.\u003c\/p\u003e\n\n\u003cp\u003eUnlike clutch-style limited-slip differentials, the Detroit Truetrac uses helical gears for smooth, quiet, and maintenance-free operation. It requires no special lubricant or friction modifiers, helping simplify installation and service. Automatic engagement provides consistent traction in forward and reverse without driver input, making the Eaton Detroit Truetrac EAT912A317 a dependable upgrade for street-driven vehicles, performance applications, and a wide range of traction-focused builds.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eOptimized torque bias ratios help deliver stronger acceleration and improved handling.\u003c\/li\u003e\n  \u003cli\u003eHelical-gear limited-slip design provides smooth, quiet, and durable operation.\u003c\/li\u003e\n  \u003cli\u003eAutomatic engagement works in both forward and reverse without manual controls.\u003c\/li\u003e\n  \u003cli\u003eMaintenance-free operation requires no special lubrication or friction modifiers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications and Technical Data\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Eaton\u003c\/li\u003e\n  \u003cli\u003eProduct Line: Detroit Truetrac\u003c\/li\u003e\n  \u003cli\u003ePart Number: EAT912A317\u003c\/li\u003e\n  \u003cli\u003eDifferential Type: Helical-gear limited-slip differential\u003c\/li\u003e\n  \u003cli\u003eAxle Position: Rear\u003c\/li\u003e\n  \u003cli\u003eAxle Compatibility: 7.5-inch and 7.625-inch axle assemblies\u003c\/li\u003e\n  \u003cli\u003eAxle Shaft Spline Count: 28 spline\u003c\/li\u003e\n  \u003cli\u003eRing Gear and Pinion Ratio: 3.23 and higher\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eOne Eaton Detroit Truetrac limited-slip differential for the specified rear axle application. Installation hardware, bearings, seals, and lubricant are not included unless specifically supplied by the vehicle or axle manufacturer.\u003c\/p\u003e\n\n\u003cp\u003eVerify axle assembly, spline count, ring gear and pinion ratio, and application requirements before ordering. Vehicle-specific fitment data should be confirmed using the axle and drivetrain specifications.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOptimized torque bias ratios deliver improved acceleration and handling.\u003c\/li\u003e\n\u003cli\u003eHelical-gear limited-slip design provides smooth, quiet, and durable operation.\u003c\/li\u003e\n\u003cli\u003eNo special lubrication or friction modifiers are required.\u003c\/li\u003e\n\u003cli\u003eAutomatic engagement works in forward and reverse.\u003c\/li\u003e\n\u003cli\u003eMaintenance-free design simplifies long-term service.\u003c\/li\u003e\n\u003cli\u003eCompatible with rear 7.5-inch and 7.625-inch axle applications.\u003c\/li\u003e\n\u003cli\u003eDesigned for 28-spline axle shafts with a 3.23-and-up ratio.\u003c\/li\u003e\n\u003cli\u003eProvides a versatile traction solution for many vehicle applications.\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":67646948868348,"sku":"912A317","price":662.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/b99887b8556e01aff2bb11ec03f6c212_4868dfaa-4933-4f45-b0b4-052ae23d77b0.jpg?v=1791183351","url":"https:\/\/diycustoms.store\/products\/eaton-detroit-truetrac-differential-eat912a317-28-spline-rear-differential-for-7-5-inch-and-7-625-inch-axles","provider":"diycustoms.store","version":"1.0","type":"link"}