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Dorman 986-673 Drive Shaft - Rear
Dorman 986-673 Rear Drive Shaft
Dorman 986-673 is a complete rear drive shaft assembly for select BMW applications. It is pre-balanced and built with new yokes, tubes, CV joints, and universal joints for a direct replacement approach on the driveline.
Key Features
- Complete drive shaft assembly for rear driveline service
- Pre-balanced for installation readiness
- 100% new yokes, tubes, constant velocity joints, and universal joints
- Steel shaft construction with a 2.5 in shaft diameter
- 50.875 in compressed length and 0.083 in wall thickness
- Bolt-on end connections at both ends
- No slip yoke and no axle nut included
- Standard replacement grade
Product Details
This Dorman drive shaft is built for 2016 BMW 340i xDrive, rear and 2017 BMW 340i xDrive, rear. The 986-673 part number is a direct-fit driveline replacement for vehicles that need a complete rear shaft assembly rather than individual component repair. It cross-references BMW 26108642913 for the same application.
For BMW 340i xDrive rear driveline service, Dorman 986-673 provides a steel shaft assembly with bolt-on ends and integrated CV and universal joints. The 50.875-inch compressed length and pre-balanced construction support a straightforward replacement process when the original drive shaft is worn, damaged, or out of balance.
Common Reasons for Replacement
- Driveline vibration at speed
- Clunking or knocking from the rear driveline
- Worn CV joints or universal joints
- Damage to the shaft tube or yokes
- Excessive driveline play or noise
Installation Notes and Tips
Verify rear fitment by matching the vehicle year, model, and driveline configuration before installation. Confirm the bolt-on end style, compressed length, and shaft dimensions against the original part. Inspect surrounding driveline components, mounts, and flange surfaces during replacement to help ensure proper operation after installation.
Quality Assurance
Dorman supplies this assembly as a standard replacement driveline part with new internal and external wear components. The pre-balanced design and complete assembly format are intended to simplify replacement on compatible BMW rear applications.
| Brand | Dorman |
| Part Number | 986-673 |
| Compressed Length | 50.875 |
| 10920 | No |
| 10920 | Non |
| End 1 Type | Bolt on |
| End 1 Type | Con perno |
| End 2 Type | Bolt on |
| End 2 Type | Con perno |
| Shaft Material | Acero |
| Shaft Material | Steel |
| Universal Joints Included | Oui |
| Universal Joints Included | Sí |
| Universal Joints Included | Yes |
| CV Joints Included | Oui |
| CV Joints Included | Sí |
| CV Joints Included | Yes |
| Axle Nut Included | No |
| Axle Nut Included | Non |
| Grade Type | Reemplazo estándar |
| Grade Type | Standard replacement |
| Shaft Diameter | 2.5 |
| Slip Yoke | No |
| Slip Yoke | Non |
| Drive Shaft Length (In) | 50.875 in |
| Drive Shaft Length (In) | 50.875 in. |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Drive Shaft Wall Thickness (In) | 0.083 in. |
| Espesor de la pared del eje motriz (in) | 0.083 in. |
| Longitud del eje motriz (in) | 50.875 in. |
| Longitud total ajustable | No |
| Overall Length Adjustable | No |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Drive Type | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | BMW | 340i xDrive | AWD | Automatic | Rear | To 3/16 |
| 2016 | BMW | 340i xDrive | AWD | Automatic | Rear |
* 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.