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OE Quality
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Dorman 986-431 Drive Shaft - Rear
Complete Rear Driveshaft for BMW 550i GT and 750i
Dorman 986-431 is a complete rear drive shaft assembly for select BMW applications. It arrives pre-balanced and assembled with new yokes, tubes, universal joints, and CV joints omitted as specified by the manufacturer, making it a direct replacement option for driveline service on the BMW 550i GT and BMW 750i.
Key Features
- Complete drive shaft assembly for rear applications
- Pre-balanced for installation readiness
- 100% new yokes and tubes
- Steel shaft construction
- 63.125 in compressed drive shaft length
- 2.5 in shaft diameter with 0.083 in wall thickness
- Triprong end 1 and triprong end 2
- Universal joints included; CV joints not included
- Non-adjustable overall length and no slip yoke
Product Details
This Dorman drive shaft, part number 986-431, is built as a complete rear driveline assembly for 2012-2015 BMW 550i GT and 2012-2015 BMW 750i applications, including 2012 models built from 9/11. The steel construction, fixed compressed length, and pre-balanced design support a straightforward replacement when the original shaft is worn, damaged, or producing driveline vibration. This part cross-references BMW OE number 26107631345 for the same application.
Common Problems This Part Can Address
- Driveline vibration at speed
- Clunking or knocking from the rear driveline
- Worn or damaged drive shaft tubes or yokes
- Failed universal joints in the rear shaft assembly
- Loss of smooth power transfer from transmission to rear axle
Installation Notes and Tips
Verify rear driveline measurements, end type, and vehicle build date before installation. This assembly uses triprong ends, a 63.125 in compressed length, and a fixed overall length, so correct application matching is important. Inspect related driveline components, mounting points, and seals during replacement to help confirm the source of the concern before installing the new shaft.
Quality Assurance
Dorman supplies this replacement drive shaft as a complete assembly with new yokes and tubes and pre-balanced construction for service-ready installation. Part number 986-431 is engineered for the listed BMW rear applications and follows the manufacturer’s replacement-focused design approach.
| Brand | Dorman |
|---|---|
| Part Number | 986-431 |
| Compressed Length | 63.125 |
| End 1 Type | Triprong |
| End 2 Type | Triprong |
| Shaft Material | Steel |
| Universal Joints Included | Yes |
| CV Joints Included | No |
| Grade Type | Regular |
| Shaft Diameter | 2.5 |
| Slip Yoke | No |
| Axle Nut Included | No |
| Drive Shaft Length (In) | 63.125 in |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Greaseable Drive Shaft | No |
| Overall Length Adjustable | No |
| Package Contents | 1 driveshaft |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2015 | BMW | 550i GT | RWD | Rear | |
| 2015 | BMW | 750i | RWD | Rear | |
| 2014 | BMW | 550i GT | RWD | Rear | |
| 2014 | BMW | 750i | RWD | Rear | |
| 2013 | BMW | 550i GT | RWD | Rear | |
| 2013 | BMW | 750i | RWD | Rear | |
| 2012 | BMW | 550i GT | RWD | Rear | From 9/11 |
| 2012 | BMW | 750i | RWD | Rear | From 9/11 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.