{"product_id":"dorman-966-550-drive-shaft-rear","title":"Dorman 966-550 Drive Shaft - Rear","description":"\u003ch2\u003eOE FIX Drive Shaft Serviceability\u003c\/h2\u003e\u003cp\u003eThis Dorman OE FIX drive shaft is built for vehicles that use permanently staked universal joints in the original shaft. It restores serviceable U-joints for easier maintenance and direct replacement fitment on the listed applications. Part number 966-550 is a practical solution for BMW driveline service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eServiceable universal joints for simpler future maintenance\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction with standard replacement design\u003c\/li\u003e\n\u003cli\u003ePre-greased and supplied with a bolt-on end design\u003c\/li\u003e\n\u003cli\u003e50.875 in. drive shaft length with 0.083 in. wall thickness\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW M550i xDrive rear driveline applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eBuilt as a standard replacement driveline component, this drive shaft uses steel construction, bolt-on ends, and a pre-greased design to support straightforward installation and service. The shaft measures 50.875 inches in overall length with a 2.5-inch diameter and 0.083-inch wall thickness. Unlike the original design described by Dorman, this OE FIX version makes the universal joints serviceable instead of permanently staked. Part number 966-550 is intended for 2020-2021 BMW M550i xDrive rear applications, including 2021 vehicles built to 3\/21.\u003c\/p\u003e\u003cp\u003eThis part cross-references BMW (e.g., 26108740122) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or damaged rear drive shaft\u003c\/li\u003e\n\u003cli\u003eAddressing driveline vibration caused by shaft wear\u003c\/li\u003e\n\u003cli\u003eRestoring serviceable U-joint maintenance access\u003c\/li\u003e\n\u003cli\u003eCorrecting noise from a failing driveline assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle build date and rear application before ordering, especially for 2021 BMW M550i xDrive models noted as to 3\/21. Confirm flange and bolt-on end compatibility, and compare the original shaft length and configuration to part number 966-550 before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman OE FIX parts are engineered as direct-fit replacement components for specific applications, with serviceability improvements over the original design where noted.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":53556053573813,"sku":"BKKY-966-550","price":1130.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_966550_FRO.jpg?v=1792392180","url":"https:\/\/www.partcatalog.com\/products\/dorman-966-550-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}