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Dorman 986-538 Drive Shaft - Rear
Dorman 986-538 Rear Drive Shaft
Dorman 986-538 is a complete rear drive shaft assembly for select Cadillac CT6 applications. It arrives pre-balanced and ready to install, with new yokes, tubes, universal joints, and CV joints excluded as specified by the product data.
- Complete drive shaft assembly for rear position applications
- Pre-balanced for installation readiness
- 100% new yokes and tubes
- Steel shaft construction
- Bolt-on end 1 and bolt-on end 2
- Drive shaft length: 66.875 in.
- Shaft diameter: 2.5 in.
- Wall thickness: 0.083 in.
- Standard replacement grade
- Slip yoke: No
Fitment Details
Fits 2016 Cadillac CT6, rear. Fits 2017-2018 Cadillac CT6, rear, wo/RPO Code HP9 (45KW Continuous Power Plug-In Electric Parallel Hybrid Propulsion). This Dorman 986-538 rear drive shaft is matched to the listed Cadillac CT6 applications for direct replacement service.
This part cross-references OE numbers 22831947 and 84135938 for the same application.
Replacement Overview
Use Dorman 986-538 when replacing a worn or damaged rear driveshaft on a Cadillac CT6. The assembly is built as a standard replacement with steel tubing, bolt-on connections at both ends, and a fixed overall length of 66.875 inches. For buyers searching for a rear drive shaft for 2016 Cadillac CT6 or a rear drive shaft for 2017-2018 Cadillac CT6 wo/RPO Code HP9, this part number provides the listed fitment and dimensions in one assembly.
Common Issues This Part Can Address
- Driveline vibration from a bent or out-of-balance shaft
- Clunking or driveline noise from worn shaft components
- Damage to the original shaft tube or yokes
- Excess play from worn universal joints
- Service needs after driveline wear on the rear axle path
Installation Notes
Verify rear-position fitment, overall length, end type, and vehicle configuration before installation. Confirm the vehicle is a 2016 Cadillac CT6 or a 2017-2018 Cadillac CT6 with the listed HP9 exclusion. Inspect mounting points and driveline alignment during replacement to help ensure proper operation after installation.
Quality Assurance
Dorman supplies this drive shaft as a pre-balanced, standard replacement assembly built with new yokes and tubes for the listed Cadillac CT6 applications. Part number 986-538 is engineered to match the specified dimensions and connection style for direct-fit service.
| Brand | Dorman |
|---|---|
| Part Number | 986-538 |
| Compressed Length | 66.875 |
| 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 | 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 | No |
| Slip Yoke | Non |
| Drive Shaft Length (In) | 66.875 in |
| Drive Shaft Length (In) | 66.875 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) | 66.875 in. |
| Longitud total ajustable | No |
| Overall Length Adjustable | No |
| Overall Length Adjustable | Non |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Cadillac | CT6 | RWD | 2.0L | L4 | Rear | wo/RPO Code HP9 (45KW Continuous Power Plug-In Electric Parallel Hybrid Propulsion) |
| 2017 | Cadillac | CT6 | RWD | 2.0L | L4 | Rear | wo/RPO Code HP9 (45KW Continuous Power Plug-In Electric Parallel Hybrid Propulsion) |
| 2016 | Cadillac | CT6 | RWD | 2.0L | L4 | 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.