Dorman 630-444 Drive Axle Shaft Assembly - Front Left Inner

Dorman 630-444 Front Left Inner Axle Shaft

Dorman 630-444 is a direct replacement drive axle shaft assembly for select Ram 1500 and Ram 1500 Classic applications. It is built for the front left inner position and arrives ready for installation on the listed vehicles.

• Direct replacement drive axle shaft assembly
• Fits the front left inner position
• Steel construction
• Inboard spline quantity: 37
• Outboard spline quantity: 29
• Compressed length: 6.166 in.
• Package contents: axle shaft, 2 retainer clips, O-ring
• Interchanges with Cardone New 66-3994IS and OE part number 68146594AA

OE-Style Replacement Details

This axle shaft assembly is made to replace the original equipment unit on 2012-2019 Ram 1500 and 2019-2020 Ram 1500 Classic front left inner applications. The steel shaft measures 6.166 inches in length and uses a 37-spline inboard end with a 29-spline outboard end for the specified driveline setup. Dorman 630-444 is a practical choice when servicing a worn or damaged axle shaft on a Ram 1500 front axle assembly.

Common Problems This Part Addresses

• Damaged axle shaft from impact or driveline wear
• Noise or vibration related to a worn inner axle shaft
• Service replacement for a transaxle-style front driveline assembly
• Restoration of proper axle engagement at the front left inner position

Installation Notes

Verify spline count, shaft length, and front left inner fitment before installation. This assembly does not include wheel studs, ABS tone ring, hub bearing, axle shaft seal, brake hardware, brake dust shield, or brake backing plate. Inspect related seals, clips, and mating components during service to confirm a proper repair on Ram 1500 and Ram 1500 Classic front axle applications.

Quality Assurance

Dorman supplies this axle shaft assembly as a direct OE replacement for the listed vehicles, with fitment matched to the original application. Cross-reference part numbers include Cardone New 66-3994IS and OE 68146594AA for the same application.