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Dorman 986-551 Drive Shaft - Rear
Dorman 986-551 Rear Drive Shaft
Dorman 986-551 is a complete rear drive shaft assembly for select Audi S4 applications. It is pre-balanced for installation and built with new yokes, tubes, CV joints, and universal joints to support a direct driveline replacement.
Key Features
- Complete drive shaft assembly for rear driveline service
- Pre-balanced for installation readiness
- 100% new yokes and tubes
- CV joints included
- Steel shaft construction with a 2.5 in diameter
- 65.5 in compressed length and 0.083 in wall thickness
- Bolt-on end connections
- Standard replacement grade
Detailed Description
This Dorman drive shaft is built for 2012-2016 Audi S4, rear applications. The assembly measures 65.5 inches in compressed length and uses a steel shaft with bolt-on ends for a direct replacement approach. Dorman 986-551 is supplied as a complete rear drive shaft assembly with new yokes, tubes, and CV joints, helping simplify driveline service on Audi S4 rear drive shaft replacement jobs.
This part cross-references Audi OE numbers 8K0521101F and 8K0521101M for the same application.
What It Is Used For
- Replacing a worn or damaged rear drive shaft
- Addressing driveline vibration caused by shaft wear or imbalance
- Restoring power transfer between drivetrain components
- Correcting noise from failing CV joints or shaft components
- Servicing a 2012-2016 Audi S4 rear drive shaft assembly
Installation Notes and Tips
Verify compressed length, bolt-on end style, and rear fitment before installation. Inspect mating flanges and surrounding driveline components for wear, and confirm the shaft is aligned correctly during installation. Because this assembly is pre-balanced, avoid altering the shaft or joints before fitment.
Quality Assurance
Dorman supplies this as a standard replacement driveline component with new major wear parts already assembled. The pre-balanced design and new yokes, tubes, and CV joints support consistent fitment for the specified Audi S4 rear application.
| Brand | Dorman |
|---|---|
| Part Number | 986-551 |
| Compressed Length | 65.5 |
| 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 | No |
| Universal Joints Included | Non |
| 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) | 65.5 in |
| Drive Shaft Length (In) | 65.5 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) | 65.5 in. |
| Longitud total ajustable | No |
| Overall Length Adjustable | No |
| Overall Length Adjustable | Non |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Drive Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2016 | Audi | S4 | AWD | Manual | 3.0L | V6 | Rear | |
| 2015 | Audi | S4 | AWD | Manual | 3.0L | V6 | Rear | |
| 2014 | Audi | S4 | AWD | Manual | 3.0L | V6 | Rear | |
| 2013 | Audi | S4 | AWD | Manual | 3.0L | V6 | Rear | |
| 2012 | Audi | S4 | AWD | Manual | 3.0L | V6 | 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.