{"product_id":"dorman-630-420-drive-axle-shaft-assembly","title":"Dorman 630-420 Drive Axle Shaft Assembly - Front Left Inner","description":"\u003ch2\u003eOverview of Dorman 630-420 Drive Axle Shaft Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 630-420 drive axle shaft assembly is engineered for reliable performance in select GM trucks and SUVs. Designed specifically for models like the Chevrolet Silverado 1500 and GMC Sierra 1500, this axle shaft provides a precise fit and durable construction to maintain driveline integrity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 6x5.5 wheel bolt pattern vehicles\u003c\/li\u003e\n\u003cli\u003eConstructed from carbon steel for strength and durability\u003c\/li\u003e\n\u003cli\u003eInboard spline quantity: 28 for secure engagement\u003c\/li\u003e\n\u003cli\u003eShaft diameter measures 1.25 inches for proper fitment\u003c\/li\u003e\n\u003cli\u003eDesigned for independent front suspension (IFS) differential case design\u003c\/li\u003e\n\u003cli\u003eIncludes outer axle shaft only; no wheel studs or brake components included\u003c\/li\u003e\n\u003cli\u003eCompressed and overall length of 5.04 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 630-420 drive axle shaft assembly is built to meet the specifications required by various Cadillac, Chevrolet, and GMC models, including the Escalade, Tahoe, Yukon XL 1500, and Suburban 1500. This axle shaft features a 6x5.5 wheel bolt pattern size and a 14mm wheel stud thread diameter with a 1.5 thread pitch, ensuring compatibility with factory wheel setups. The shaft is made from carbon steel, providing the necessary strength to handle torque and rotational forces while resisting wear over time. The 28 inboard splines ensure a secure connection to the differential, while the absence of outboard splines and additional components like ABS tone rings or brake hardware means this part is intended as a direct replacement for the outer axle shaft only.\u003c\/p\u003e\u003ch2\u003eApplications and Common Repair Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or damaged outer axle shafts on compatible GM trucks and SUVs\u003c\/li\u003e\n\u003cli\u003eAddressing axle shaft failure due to wear, bending, or breakage\u003c\/li\u003e\n\u003cli\u003eRestoring driveline performance and eliminating vibrations or noises related to axle issues\u003c\/li\u003e\n\u003cli\u003eRepairing axle shaft spline damage that affects power transfer\u003c\/li\u003e\n\u003cli\u003eUpgrading to a factory-spec axle shaft during drivetrain rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 630-420 axle shaft assembly requires proper tools and mechanical knowledge. Ensure the vehicle is securely lifted and supported before beginning work. Since this part does not include wheel studs, brake hardware, or seals, reuse existing components or replace them as needed. Verify spline alignment carefully during installation to avoid damage. Torque all fasteners to manufacturer specifications and inspect the axle shaft seal and hub bearing condition during replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 630-420 drive axle shaft assembly to meet or exceed OEM standards for fit, form, and function. The carbon steel construction and precise spline counts contribute to reliable performance. While this product does not include a rust-resistant coating, proper maintenance and inspection are recommended to prolong service life. Warranty coverage details should be confirmed at the point of purchase, as they may vary.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44041926213813,"sku":"BKKY-630-420","price":282.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_630420_Fro_53ae6cc4-e058-46f0-b734-ed66903c2789.jpg?v=1775009900","url":"https:\/\/www.partcatalog.com\/products\/dorman-630-420-drive-axle-shaft-assembly","provider":"PartCatalog","version":"1.0","type":"link"}