{"product_id":"dorman-986-981-drive-shaft-rear","title":"Dorman 986-981 Drive Shaft - Rear","description":"\u003ch2\u003eDorman 986-981 Drive Shaft for Ford F-150\u003c\/h2\u003e\u003cp\u003eDorman 986-981 is a complete drive shaft assembly for rear applications on the 2015-2017 Ford F-150 with a 9.75 in. axle. It is pre-balanced and built with new yokes, tubes, CV joints, and universal joints for a direct replacement approach.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 2015-2017 Ford F-150, rear, 9.75 in. axle\u003c\/li\u003e\n\u003cli\u003eComplete drive shaft assembly for driveline service\u003c\/li\u003e\n\u003cli\u003ePre-balanced for installation readiness\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, CV joints, and universal joints\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction with 3.5 in. shaft diameter\u003c\/li\u003e\n\u003cli\u003ePhased at 90 degrees with 1 in. max slip\u003c\/li\u003e\n\u003cli\u003eCompressed length: 104.5 in.; drive shaft length: 105.5 in.\u003c\/li\u003e\n\u003cli\u003eEnd 1 and End 2: bolt-on\u003c\/li\u003e\n\u003cli\u003ePre-greased with grease fitting included\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft is engineered for rear driveline replacement on the Ford F-150 and is identified by part number 986-981. It uses a steel shaft with a 0.083 in. wall thickness, bolt-on ends, and a phased design to match the original driveline geometry. The assembly is also listed with collapsed lengths of 104.5 in. flange face to flange face and 54.625 in. yoke to bearing, helping support accurate replacement selection for the specified truck application. This part cross-references Ford OE numbers FL3Z4R602AC and FL3Z4R602N for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVibration from a worn or out-of-balance rear driveshaft\u003c\/li\u003e\n\u003cli\u003eClunking or driveline noise from worn universal joints\u003c\/li\u003e\n\u003cli\u003eService issues caused by damaged yokes or tubes\u003c\/li\u003e\n\u003cli\u003eDriveline replacement needs after shaft wear or impact damage\u003c\/li\u003e\n\u003cli\u003eFitment concerns on 2015-2017 Ford F-150 rear axle service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm rear position fitment and 9.75 in. axle application before installation. Verify overall length, flange-to-flange measurement, and phased orientation against the original shaft to ensure proper driveline alignment. Inspect mating surfaces and fasteners during replacement, and follow factory service procedures for torque and balance verification.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this assembly as a standard replacement drive shaft with new core components and pre-balanced construction for service-ready installation. The design focuses on restoring driveline function with the specified Ford F-150 application.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52808222310581,"sku":"BKKY-986-981","price":675.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_986981_Fro.jpg?v=1784184551","url":"https:\/\/www.partcatalog.com\/products\/dorman-986-981-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}