Dorman 986-904 Drive Shaft - Rear

Dorman 986-904 Drive Shaft for MX-5 Miata

Dorman 986-904 is a complete rear drive shaft assembly for select Mazda MX-5 Miata models. It is pre-balanced and built with new yokes, tubes, universal joints, and a slip yoke/bolt-on end configuration for direct replacement service.

Key Features

• Complete drive shaft assembly for rear driveline service
• Pre-balanced for installation readiness
• 100% new yokes, tubes, and universal joints
• Steel shaft construction with 2.5 in. shaft diameter
• 34.5 in. compressed length and 34.5 in. drive shaft length
• Phased at 0 degrees
• Pre-greased design
• Standard replacement grade

Detailed Description

This Dorman drive shaft replacement is built for 2016-2022 Mazda MX-5 Miata rear applications. The assembly uses a slip yoke at one end and a bolt-on connection at the other, with steel construction and a 0.065 in. wall thickness for service replacement needs. Dorman 986-904 is supplied as a pre-balanced unit to reduce the need for additional setup before installation.

For buyers searching for a rear drive shaft for Mazda MX-5 Miata 2016-2022, this assembly provides the core driveline components in one replacement part. This part cross-references Monroe Shocks & Struts (e.g., PA4725100) for the same application.

What It Helps Address

• Vibration from a worn or out-of-balance drive shaft
• Clunking or driveline noise from worn universal joints
• Driveline play caused by damaged yokes or shaft wear
• Service issues from a bent or fatigued rear driveshaft assembly
• Replacement needs after driveline component failure

Installation Notes and Tips

Verify rear fitment before ordering: Fits 2016-2022 Mazda MX-5 Miata, Rear. Confirm compressed length, end types, and flange connection points against the original shaft. The assembly is pre-greased and includes universal joints; grease fittings are not included. Because the shaft is pre-balanced and phased at 0 degrees, installation should focus on correct alignment and secure fastening of the bolt-on end.

Quality Assurance

Dorman supplies this drive shaft as a standard replacement assembly with new core components for service use. The pre-balanced construction and new yokes, tubes, and joints support consistent driveline replacement for the Mazda MX-5 Miata application.