Dorman 630-457 CV Intermediate Shaft - Front Right Inner

OE Fix CV Intermediate Shaft for Ram 1500

Dorman 630-457 is a right front inner CV intermediate shaft for select 4WD Ram 1500 and Ram 1500 Classic pickups with the 3.55 axle ratio. It replaces a failed shaft without requiring a complete front differential assembly, helping restore front driveline function on affected trucks.

Key Features

• Direct replacement CV intermediate shaft for the front right inner position
• OE FIX design addresses known spline failure on select Ram 1500 applications
• Steel construction with a black finish
• Includes bearing, retainer clip, and seals for repair service
• Splined ends: 37-spline inboard and 16-spline outboard
• Compressed length: 7.99 in; outside diameter: 1.212 in

Detailed Description

Dorman 630-457 is engineered for 2012-2020 Ram 1500 and 2019-2021 Ram 1500 Classic models in the front right inner position with Sales Code DMD and a 3.55 axle ratio. On these applications, the original right front intermediate CV shaft can fail when the CV axle moves past the retaining ring and damages the splines. This replacement shaft restores the connection at the front differential and avoids the need to source a complete differential assembly or salvage-yard part. This part cross-references 68257421AG for the same application.

What It Helps Fix

• Ruined intermediate shaft splines after CV axle movement past the retaining ring
• Loss of front differential drive engagement on the right front side
• Need to replace an unavailable OE intermediate shaft as a standalone part
• Repair situations where a complete differential assembly would otherwise be required
• Front driveline noise or function loss tied to shaft damage

Installation Notes and Tips

Verify the vehicle is a 4WD Ram 1500 or Ram 1500 Classic with Sales Code DMD and a 3.55 axle ratio before ordering. Confirm the front right inner position, spline count, and shaft length against the original part. Inspect the mating CV axle, seals, and retaining components during installation so the repair is completed with clean engagement at the differential.

Quality Assurance

Dorman designs OE FIX replacement parts to address known failure points in original equipment components. This shaft is built as a direct repair solution for the affected Ram front differential application and includes the bearing, clip, and seals needed for service.