Dorman 986-911 Drive Shaft - Rear

Dorman 986-911 Rear Drive Shaft for Lexus LS400

Dorman 986-911 is a complete rear drive shaft assembly for select 1998-2000 Lexus LS400 models. It is pre-balanced and built with new yokes, tubes, constant velocity joints, and universal joints to simplify replacement and restore driveline function.

Key Features

• Fits 1998-2000 Lexus LS400, rear
• Complete drive shaft assembly for direct replacement service
• Pre-balanced for installation readiness
• 100% new yokes, tubes, CV joints, and universal joints
• Steel shaft construction with a 2.5 in. shaft diameter
• Pre-greased design with universal joints included
• Bolt-on end connections at both ends
• Compressed length: 57.625 in.; drive shaft length: 58.625 in.
• Standard replacement grade

Detailed Description

This Dorman drive shaft is engineered for rear driveline service on the Lexus LS400 and is listed for 1998, 1999, and 2000 model years. The assembly uses steel construction, a 0.083 in. wall thickness, and a multi-piece shaft design with overall length adjustability and up to 1 in. of slip. It is supplied pre-greased and ready for installation, with bolt-on ends for straightforward replacement of the original rear driveshaft assembly. This part number, 986-911, is also a direct reference point for driveline repair planning on the Lexus LS400 rear application.

This part cross-references 3710050040 for the same application.

Common Problems This Part Can Address

• Driveline vibration from a worn or out-of-balance shaft
• Clunking or driveline noise from worn universal joints
• Binding or rough rotation caused by aging shaft components
• Service issues related to damaged yokes or tubes
• Rear driveline replacement needs on a 1998-2000 Lexus LS400

Installation Notes and Tips

Verify rear fitment by year before ordering: this assembly is listed for 1998-2000 Lexus LS400 models only. Confirm flange-to-flange length, bolt-on connection style, and driveline configuration against the original shaft before installation. Inspect mounting points, seals, and surrounding driveline components for wear so the replacement shaft can be installed on a clean, serviceable system. Part number 986-911 is intended for rear application use on the listed Lexus LS400 vehicles.

Quality Assurance

Dorman supplies this drive shaft as a complete replacement assembly with new internal and external service components, pre-balanced for installation readiness. The design focuses on replacing the original driveline assembly with a standard replacement part built for the confirmed Lexus LS400 rear fitment.