{"product_id":"dorman-630-051-drive-axle-shaft-assembly-rear-left","title":"Dorman 630-051 Drive Axle Shaft Assembly - Rear Left","description":"\u003ch2\u003eRear Left Axle Shaft for Ford F-150\u003c\/h2\u003e\u003cp\u003eDorman 630-051 is a drive axle shaft assembly for the rear left position on select Ford F-150 trucks. It replaces the factory axle design with an upgraded OE FIX layout that uses an externally threaded axle end and matching nut for a more secure hub connection.\u003c\/p\u003e\u003cp\u003eBuilt for 2021-2025 Ford F-150 applications with the listed rear axle configurations, this assembly addresses a known failure point in the original design and supports a more durable repair for trucks used for towing or off-road driving.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement drive axle shaft assembly for the rear left side\u003c\/li\u003e\n\u003cli\u003ePatent-pending OE FIX design eliminates the factory thin-walled internally threaded axle end\u003c\/li\u003e\n\u003cli\u003eExternally threaded male end with matching nut secures the axle to the hub\u003c\/li\u003e\n\u003cli\u003eConstructed from SAE 1541 material for performance-grade service\u003c\/li\u003e\n\u003cli\u003eIncludes the axle shaft, spacer, and spindle nut needed for the repair\u003c\/li\u003e\n\u003cli\u003eCompatible with select Ford F-150 rear differential applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 630-051 is engineered for select Ford F-150 trucks where the original left rear hub-to-axle bolt can shear and create noise, handling changes, or brake drag symptoms. This assembly replaces the failure-prone factory connection with a revised axle end design that captures the hub more securely. It is a practical repair choice for 2021-2023 Ford F-150 models with a 3.55 axle ratio and 2024-2025 Ford F-150 models with a locking differential, rear left. For related applications, see Dorman 630-050 for the right rear side and Dorman 630-052 for both rear assemblies. This part cross-references no listed aftermarket numbers for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSheared rear hub-to-axle bolt on the left rear side\u003c\/li\u003e\n\u003cli\u003eBrake drag caused by rotor movement against the hub\u003c\/li\u003e\n\u003cli\u003eRattle from a broken bolt head trapped in the assembly\u003c\/li\u003e\n\u003cli\u003eRear handling changes caused by axle connection failure\u003c\/li\u003e\n\u003cli\u003eRepeat dealership repairs tied to the original axle design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eInstall on the rear left position only. Verify axle ratio or differential configuration before ordering: 2021-2023 Ford F-150 with 3.55 axle ratio, or 2024-2025 Ford F-150 with locking differential. Confirm spline count, shaft length, and hub interface match the vehicle before installation. Follow factory service procedures for axle removal, hub service, and final torque specifications.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman designs this OE FIX axle assembly as an upgraded replacement for the original Ford rear axle design. The revised threaded connection is intended to provide a more secure hub-to-axle interface and a longer-lasting repair for the listed Ford F-150 applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52778788290741,"sku":"BKKY-630-051","price":422.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_630051_SID.jpg?v=1783580333","url":"https:\/\/www.partcatalog.com\/products\/dorman-630-051-drive-axle-shaft-assembly-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}