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Dorman 986-678 Drive Shaft - Rear
Dorman 986-678 Rear Drive Shaft
The Dorman 986-678 is a complete rear drive shaft assembly for select 2016-2017 INFINITI QX50 applications. It arrives pre-balanced and ready to install, with new yokes, tubes, constant velocity joints, and universal joints to support a direct driveline replacement.
Key Features
- Fits 2016-2017 INFINITI QX50, rear
- Complete drive shaft assembly for driveline 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
- 66 in. drive shaft length with 0.083 in. wall thickness
- Slip yoke end on one side and bolt-on end on the other
- Pre-greased and phased at 0 degrees
- Standard replacement grade
Detailed Description
This Dorman drive shaft assembly, part number 986-678, is built for rear driveline replacement on the 2016-2017 INFINITI QX50. It uses a steel shaft with a 66 in. overall length, a 33.25 in. collapsed length from yoke to bearing, and a slip yoke / bolt-on end configuration for the listed application. The assembly is pre-greased, phased at 0 degrees, and supplied as a standard replacement unit for service work where the original shaft needs to be replaced rather than rebuilt.
This part cross-references Nissan/Infiniti OE numbers 370005UB0A and 370005UB0B for the same application. Use part number 986-678 when searching for a rear drive shaft for INFINITI QX50 models from 2016-2017.
Common Reasons for Replacement
- Driveline vibration at speed
- Clunking or knocking from the rear driveline
- Worn universal joints or shaft components
- Damage to the original drive shaft tube or yokes
- Need for a complete rear drive shaft assembly on an INFINITI QX50
Installation Notes and Tips
Confirm rear-position fitment before ordering and verify the vehicle’s original shaft dimensions, end types, and flange interface against the listed specifications. The assembly is pre-balanced and ready to install, which helps reduce setup time during replacement. Always inspect related driveline mounting points and hardware condition during service, and compare the original shaft length and configuration to part number 986-678 before installation.
Quality Assurance
Dorman supplies this drive shaft as a complete replacement assembly with new yokes, tubes, CV joints, and universal joints. The pre-balanced design and standard replacement construction support consistent driveline service for the specified INFINITI QX50 applications.
| Brand | Dorman |
|---|---|
| Part Number | 986-678 |
| Compressed Length | 66 |
| 10920 | No |
| 10920 | Non |
| End 1 Type | Slip yoke |
| End 1 Type | Yugo deslizante |
| End 2 Type | Bolt on |
| End 2 Type | Con perno |
| Shaft Material | Acero |
| Shaft Material | Steel |
| Pre-Greased | Oui |
| Pre-Greased | Sí |
| Pre-Greased | Yes |
| Grease Fitting Included | No |
| Grease Fitting Included | Non |
| Universal Joints Included | Oui |
| Universal Joints Included | Sí |
| Universal Joints Included | Yes |
| CV Joints Included | No |
| CV Joints Included | Non |
| Axle Nut Included | No |
| Axle Nut Included | Non |
| Grade Type | Reemplazo estándar |
| Grade Type | Standard replacement |
| Shaft Diameter | 2.5 |
| Slip Yoke | Oui |
| Slip Yoke | Sí |
| Slip Yoke | Yes |
| Phase Degrees | 0 |
| Phased | Oui |
| Phased | Sí |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2017 | INFINITI | QX50 | RWD | Rear | |
| 2016 | INFINITI | QX50 | RWD | 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.