{"product_id":"dorman-986-959-drive-shaft-rear","title":"Dorman 986-959 Drive Shaft - Rear","description":"\u003ch2\u003eDorman 986-959 Drive Shaft Overview\u003c\/h2\u003e\u003cp\u003eDorman 986-959 is a complete rear drive shaft assembly for the 1985 Ford F-250 with a 10.25 in. axle. It arrives pre-balanced and ready to install with new yokes, steel tubing, a slip yoke, universal joints, and pre-greased service points for a direct replacement on the Ford F-250 rear driveline.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eComplete drive shaft assembly for rear application\u003c\/li\u003e\n\u003cli\u003ePre-balanced for installation readiness\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction with 3 in. shaft diameter\u003c\/li\u003e\n\u003cli\u003ePre-greased with grease fitting included\u003c\/li\u003e\n\u003cli\u003eUniversal joints included; CV joints not included\u003c\/li\u003e\n\u003cli\u003eSlip yoke included with 1 in. max slip\u003c\/li\u003e\n\u003cli\u003ePhased at 0 degrees\u003c\/li\u003e\n\u003cli\u003eCompressed length: 77.75 in.; drive shaft length: 78.75 in.\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built as a direct replacement for the rear driveline on the 1985 Ford F-250, including the 10.25 in. axle application. The assembly uses 100% new yokes, tubes, and universal joints, and it is pre-balanced to reduce the need for additional setup before installation. Part number 986-959 is also referenced for interchange with E5TZ4602H.\u003c\/p\u003e\u003cp\u003eWith a steel shaft, 0.083 in. wall thickness, and overall length adjustable design, Dorman 986-959 supports driveline service where the original shaft is worn, damaged, or out of balance. The rear Ford F-250 drive shaft replacement is configured with universal joint ends at both sides and a slip yoke, making it a practical OE-style solution for restoring driveline function.\u003c\/p\u003e\u003ch2\u003eWhat This Drive Shaft Helps Resolve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVibration from a worn or out-of-balance rear drive shaft\u003c\/li\u003e\n\u003cli\u003eClunking or driveline noise from worn universal joints\u003c\/li\u003e\n\u003cli\u003eDriveline play caused by damaged yokes or slip components\u003c\/li\u003e\n\u003cli\u003eService issues from a bent, corroded, or fatigued shaft tube\u003c\/li\u003e\n\u003cli\u003eFitment problems when replacing the original Ford F-250 rear shaft\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear axle configuration and measure the existing shaft before installation. Confirm the compressed length, flange-to-flange dimensions, and slip travel against the original driveline to ensure proper fit on the 1985 Ford F-250. Inspect companion flange, transfer case output, and axle-side mounting surfaces for wear before installing Dorman 986-959.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this as a standard replacement drive shaft assembly with new core components and pre-balanced construction. The design focuses on restoring driveline service with the correct rear application for the 1985 Ford F-250.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52808221720757,"sku":"BKKY-986-959","price":715.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_986959_FRO.jpg?v=1784184427","url":"https:\/\/www.partcatalog.com\/products\/dorman-986-959-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}