{"product_id":"dorman-630-400a-drive-axle-shaft-rear-left-or-rear-right","title":"Dorman 630-400A Drive Axle Shaft - Rear Left or Rear Right","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis Dorman drive axle shaft, part number 630-400A, directly replaces the original equipment axle shaft on select Dodge trucks and SUVs. It is built for rear axle service where the shaft is damaged or the bearings are worn, and it follows application-specific requirements for a direct replacement.\u003c\/p\u003e\u003cp\u003eCompatible with Dodge D150, Dodge D100, Dodge W150, Dodge W100, and Dodge Ramcharger applications, this axle shaft is a fitment-based replacement for rear left and rear right positions listed below. Part number 630-400A is also referenced by interchange number 4137429 for the same application.\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\u003eSolid shaft axle construction with a galvanized finish.\u003c\/li\u003e\n\u003cli\u003eCarbon steel material for drivetrain service.\u003c\/li\u003e\n\u003cli\u003e31-spline inboard design with a 5 x 5.5 in wheel bolt pattern.\u003c\/li\u003e\n\u003cli\u003eApplication-specific installation components included for the listed fitments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 630-400A is a drive axle shaft engineered to replace the original equipment part on specific Dodge rear axle applications. It is specified with a 31-spline inboard end, 34.5 mm diameter, solid shaft axle construction, and a galvanized finish. The axle shaft is listed for rear left and rear right positions depending on vehicle application, and the fitment data identifies 1984-1993 Dodge D100, D150, W100, W150, and Ramcharger coverage across the exact years shown.\u003c\/p\u003e\u003cp\u003eThis part number 630-400A is a practical replacement when the axle shaft itself is damaged or when bearing wear requires axle service. For Dodge D150, Dodge Ramcharger, and Dodge W150 applications, review the position and notes carefully before ordering to confirm the exact rear axle configuration.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a damaged rear axle shaft.\u003c\/li\u003e\n\u003cli\u003eRestoring drivetrain function after bearing wear.\u003c\/li\u003e\n\u003cli\u003eAddressing axle service needs on listed Dodge rear axle applications.\u003c\/li\u003e\n\u003cli\u003eCorrecting fitment issues tied to the specified rear left or rear right position.\u003c\/li\u003e\n\u003cli\u003eSupporting repair of axle-related noise or driveline vibration caused by shaft wear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the exact year, model, and rear position before installation. Fitment notes indicate some applications do not include bearing, seal, or hardware, so inspect the existing components and replace worn service parts as needed. Confirm the 5 x 5.5 in wheel bolt pattern, 31-spline inboard configuration, and differential case design type listed for the vehicle.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this axle shaft as a direct replacement part for the listed applications. The design follows the original equipment application requirements, and the part number 630-400A is cross-referenced to 4137429 for the same use case.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":53342670487733,"sku":"BKKY-630-400A","price":108.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_630400A_FRO.jpg?v=1789796159","url":"https:\/\/www.partcatalog.com\/products\/dorman-630-400a-drive-axle-shaft-rear-left-or-rear-right","provider":"PartCatalog","version":"1.0","type":"link"}