{"product_id":"dorman-630-138a-drive-axle-shaft-rear-left-or-rear-right","title":"Dorman 630-138A Drive Axle Shaft - Rear Left or Rear Right","description":"\u003ch2\u003eDirect Replacement Axle Shaft\u003c\/h2\u003e\u003cp\u003eThis Dorman drive axle shaft, part number 630-138A, directly replaces the original equipment on select GM applications. It is built for solid axle service and matches the application-specific requirements of the vehicle it was engineered for.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement axle shaft for select rear axle applications\u003c\/li\u003e\n\u003cli\u003eGalvanized finish for added corrosion resistance\u003c\/li\u003e\n\u003cli\u003eCarbon steel construction for strength in driveline service\u003c\/li\u003e\n\u003cli\u003e30-spline design with 5 x 4.75 wheel bolt pattern\u003c\/li\u003e\n\u003cli\u003eApplication-specific installation components included in the design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Fitment and Design\u003c\/h2\u003e\u003cp\u003ePart number 630-138A is a solid shaft axle with a 30.07-inch length, 34.2 mm diameter, and GM 12-bolt differential case design. It is configured without CV joints, axle nut, wheel studs, retainer clips, or an ABS tone ring, and it uses a 10-hole layout with a 10-lug wheel pattern. This axle shaft is a fit for select Chevrolet Chevelle, Chevrolet El Camino, Chevrolet Monte Carlo, Chevrolet Camaro, and Pontiac Firebird rear axle applications, including 1968-1972 Chevrolet Chevelle, 1968-1972 Chevrolet El Camino, 1970-1972 Chevrolet Monte Carlo, 1970 Chevrolet Camaro, and 1970 Pontiac Firebird. It also cross-references Monroe Shocks \u0026amp; Struts 3969285 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Replacement Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDamaged axle shaft replacement after wear or breakage\u003c\/li\u003e\n\u003cli\u003eRepair for worn bearings affecting axle operation\u003c\/li\u003e\n\u003cli\u003eRestoration of rear driveline function on GM 12-bolt applications\u003c\/li\u003e\n\u003cli\u003eReplacement for corrosion-related shaft deterioration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the axle position, differential case design, spline count, bolt pattern, and overall length before installation. Confirm the vehicle uses the specified GM 12-bolt rear axle configuration and round-cover or 12-bolt-cover application noted in the fitment data. Compare the original shaft dimensions and mounting details to ensure proper alignment and operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures replacement driveline components to match original equipment requirements for specific applications. Part number 630-138A is built as a direct replacement for the listed vehicles and configurations.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":53563672199349,"sku":"BKKY-630-138A","price":102.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_630138A_FRO.jpg?v=1792472714","url":"https:\/\/www.partcatalog.com\/products\/dorman-630-138a-drive-axle-shaft-rear-left-or-rear-right","provider":"PartCatalog","version":"1.0","type":"link"}