{"product_id":"eaton-detroit-truetrac-differential-for-ford-f-150-rear-axle-34-spline-3-31-and-up-gear-ratio","title":"Eaton Detroit Truetrac Differential for Ford F-150 Rear Axle, 34-Spline, 3.31 and Up Gear Ratio","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; 34 Spline; 1.36 in. Axle Shaft Diameter; 8.80 in. Ring Gear Dia.; 3.31 and Up Gear Ratio;\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 is a helical-gear limited-slip differential designed to improve traction, acceleration, and handling in compatible Ford F-150 rear axle applications. Its automatic operation transfers torque to the wheel with greater traction without requiring driver input, helping maintain controlled power delivery in changing road conditions.\u003c\/p\u003e\u003cp\u003eBuilt for smooth, quiet, and durable performance, the Detroit Truetrac operates in both forward and reverse. Its maintenance-free design requires no special lubrication or friction modifiers, simplifying installation and long-term service. Optimized torque-bias performance makes it a practical traction solution for daily driving, towing, performance use, and other demanding applications.\u003c\/p\u003e\u003cp\u003eThis Eaton Detroit Truetrac differential is designed for compatible 2015–2016 Ford F-150 applications and uses a 34-spline configuration with a 3.31-and-up gear ratio. Confirm the original axle configuration, spline count, ring gear size, and gear ratio before ordering to ensure proper fitment. The differential is intended for rear axle use and should be installed according to the vehicle and axle manufacturer’s service procedures.\u003c\/p\u003e\u003ch3\u003eKey Product Specifications \u0026amp; Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Eaton Detroit Truetrac\u003c\/li\u003e\n\u003cli\u003ePart Number: EAT917A739\u003c\/li\u003e\n\u003cli\u003eDifferential Type: Helical-gear limited-slip differential\u003c\/li\u003e\n\u003cli\u003eApplication: Rear axle\u003c\/li\u003e\n\u003cli\u003eSpline Count: 34 spline\u003c\/li\u003e\n\u003cli\u003eAxle Shaft Diameter: 1.36 inches\u003c\/li\u003e\n\u003cli\u003eRing Gear Diameter: 8.80 inches\u003c\/li\u003e\n\u003cli\u003eCompatible Gear Ratio: 3.31 and up\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eOne Eaton Detroit Truetrac limited-slip differential\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Compatible with select 2015–2016 Ford F-150 rear axle applications. Verify vehicle-specific axle and drivetrain specifications before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAutomatic engagement distributes torque to the wheel with greater traction without driver input.\u003c\/li\u003e\n\u003cli\u003eOptimized torque-bias ratios support improved acceleration and handling.\u003c\/li\u003e\n\u003cli\u003eMaintenance-free helical-gear design requires no special lubrication or friction modifiers.\u003c\/li\u003e\n\u003cli\u003eSmooth, quiet, and durable operation works in both forward and reverse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2015 Ford F-150 King Ranch\u003cbr\u003e\n2015 Ford F-150 Lariat\u003cbr\u003e\n2015 Ford F-150 Platinum\u003cbr\u003e\n2015 Ford F-150 XL\u003cbr\u003e\n2015 Ford F-150 XLT\u003cbr\u003e\n2016 Ford F-150 King Ranch\u003cbr\u003e\n2016 Ford F-150 Lariat\u003cbr\u003e\n2016 Ford F-150 Limited\u003cbr\u003e\n2016 Ford F-150 Platinum\u003cbr\u003e\n2016 Ford F-150 SSV\u003cbr\u003e\n2016 Ford F-150 XL\u003cbr\u003e\n2016 Ford F-150 XLT\u003cbr\u003e\n2017 Ford F-150 King Ranch\u003cbr\u003e\n2017 Ford F-150 Lariat\u003cbr\u003e\n2017 Ford F-150 Limited\u003cbr\u003e\n2017 Ford F-150 Platinum\u003cbr\u003e\n2017 Ford F-150 SSV\u003cbr\u003e\n2017 Ford F-150 XL\u003cbr\u003e\n2017 Ford F-150 XLT\u003cbr\u003e\n2018 Ford F-150 King Ranch\u003cbr\u003e\n2018 Ford F-150 Lariat\u003cbr\u003e\n2018 Ford F-150 Limited\u003cbr\u003e\n2018 Ford F-150 Platinum\u003cbr\u003e\n2018 Ford F-150 Police Responder\u003cbr\u003e\n2018 Ford F-150 SSV\u003cbr\u003e\n2018 Ford F-150 XL\u003cbr\u003e\n2018 Ford F-150 XLT\u003cbr\u003e\n2019 Ford F-150 King Ranch\u003cbr\u003e\n2019 Ford F-150 Lariat\u003cbr\u003e\n2019 Ford F-150 Limited\u003cbr\u003e\n2019 Ford F-150 Platinum\u003cbr\u003e\n2019 Ford F-150 Police Responder\u003cbr\u003e\n2019 Ford F-150 SSV\u003cbr\u003e\n2019 Ford F-150 XL\u003cbr\u003e\n2019 Ford F-150 XLT\u003cbr\u003e\n2020 Ford F-150 King Ranch\u003cbr\u003e\n2020 Ford F-150 Lariat\u003cbr\u003e\n2020 Ford F-150 Limited\u003cbr\u003e\n2020 Ford F-150 Platinum\u003cbr\u003e\n2020 Ford F-150 Police Responder\u003cbr\u003e\n2020 Ford F-150 SSV\u003cbr\u003e\n2020 Ford F-150 XL\u003cbr\u003e\n2020 Ford F-150 XLT\u003cbr\u003e\n2021 Ford F-150 King Ranch\u003cbr\u003e\n2021 Ford F-150 Lariat\u003cbr\u003e\n2021 Ford F-150 Limited\u003cbr\u003e\n2021 Ford F-150 Platinum\u003cbr\u003e\n2021 Ford F-150 Police Responder\u003cbr\u003e\n2021 Ford F-150 SSV\u003cbr\u003e\n2021 Ford F-150 Tremor\u003cbr\u003e\n2021 Ford F-150 XL\u003cbr\u003e\n2021 Ford F-150 XLT\u003cbr\u003e\n2022 Ford F-150 King Ranch\u003cbr\u003e\n2022 Ford F-150 Lariat\u003cbr\u003e\n2022 Ford F-150 Limited\u003cbr\u003e\n2022 Ford F-150 Platinum\u003cbr\u003e\n2022 Ford F-150 Police Responder\u003cbr\u003e\n2022 Ford F-150 SSV\u003cbr\u003e\n2022 Ford F-150 Tremor\u003cbr\u003e\n2022 Ford F-150 XL\u003cbr\u003e\n2022 Ford F-150 XLT\u003cbr\u003e\n2023 Ford F-150 King Ranch\u003cbr\u003e\n2023 Ford F-150 Lariat\u003cbr\u003e\n2023 Ford F-150 Limited\u003cbr\u003e\n2023 Ford F-150 Platinum\u003cbr\u003e\n2023 Ford F-150 Police Responder\u003cbr\u003e\n2023 Ford F-150 SSV\u003cbr\u003e\n2023 Ford F-150 Tremor\u003cbr\u003e\n2023 Ford F-150 XL\u003cbr\u003e\n2023 Ford F-150 XLT\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":67646559682812,"sku":"917A739","price":824.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/54ec7a4765dcc4d74d532d661ccc8120L.jpg?v=1791167873","url":"https:\/\/diycustoms.store\/products\/eaton-detroit-truetrac-differential-for-ford-f-150-rear-axle-34-spline-3-31-and-up-gear-ratio","provider":"diycustoms.store","version":"1.0","type":"link"}