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TrakMotive SB-8129 CV Axle Shaft - Rear Left or Rear Right
| Brand | TrakMotive SB-8129 |
|---|---|
| Position | Rear Left |
| Abs Tone Ring Included | No |
| Axle Nut Head Type | Hex |
| Axle Nut Height (in) | 0.79 |
| Axle Nut Height (mm) | 20 |
| Axle Nut Hex Size (in) | 1.25 |
| Axle Nut Hex Size (mm) | 31.8 |
| Axle Nut Included | Yes |
| Axle Nut Length (in) | 1.45 |
| Axle Nut Length (mm) | 36.719459999999998 |
| Axle Nut Locking Type | Stake |
| Axle Nut Thread Size | M22*1.5 |
| Boot Material | Neoprene |
| Inboard Joint Type | Male |
| Inboard Shaft Connection Style | Spline |
| New Or Remanufactured | New |
| Number Of Inboard Splines | 27 |
| Number Of Outboard Splines | 25 |
| Outboard Joint Type | Conventional |
| Outboard Shaft Connection Style | Spline |
| Overall Compressed Length (in) | 30.16 |
| Overall Compressed Length (mm) | 766 |
| Product line | CV Axle Shaft |
| Fits | Subaru · 6 vehicles |
OE direct replacement. New CV axle shaft with spline connections for straightforward installation.
Neoprene boot material. Helps resist wear while keeping the joint protected.
Axle nut included. Comes ready with a hex, stake-lock nut for easier service.
Cross-references TrakMotive SB-8129 and 28421AG0BB for the same application. See all 2.
TrakMotive SB-8129 CV Axle Shaft
TrakMotive SB-8129 is a new rear CV axle shaft for select 2007-2009 Subaru Legacy applications. It is built for rear left and rear right positions and includes the axle nut for a direct replacement on the specified vehicles.
Key Features
- Brand: TrakMotive CV Axle Shaft
- Part number: SB-8129
- Fits 2007-2009 Subaru Legacy, rear right
- Fits 2007-2009 Subaru Legacy, rear left
- New axle shaft with neoprene boot material
- Inboard joint type: male
- Inboard and outboard shaft connection style: spline
- Overall compressed length: 30.16 in. (766 mm)
- Axle nut included; M22 x 1.5 thread, stake locking type
- No ABS tone ring included
Product Details
This TrakMotive CV axle shaft is engineered for rear driveline service on the Subaru Legacy and matches the listed fitment for 2007, 2008, and 2009 models. The SB-8129 uses a conventional outboard joint, a male inboard joint, and spline connections at both ends to match the original driveline layout for the specified rear positions. TrakMotive identifies this part as a new component and notes ISO 9001:1007 and TS 16949:2009 certified manufacturing, along with a limited lifetime warranty. This part cross-references OE-style application 28421AG0BB for the same application.
Common Repair Symptoms
- Clicking or popping from the rear axle area during turns
- Vibration or shudder from the rear driveline
- Grease leakage from a damaged axle boot
- Noise caused by worn CV joints
- Rear axle failure on a 2007-2009 Subaru Legacy
Installation Notes
Verify rear left or rear right application before installation on the Subaru Legacy. Confirm axle nut thread size, hex size, and compressed length against the original part before assembly. Because this axle does not include an ABS tone ring, use it only where the vehicle configuration matches the listed application details. Inspect related seals, hubs, and suspension components during replacement to help ensure a proper repair.
Quality Assurance
TrakMotive backs this CV axle shaft with a limited lifetime warranty. The part is produced by an ISO 9001:1007 and TS 16949:2009 certified company, supporting consistent manufacturing control for the SB-8129 replacement axle.
| Year | Make | Model | Submodel | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Subaru | Legacy | GT spec.B | Manual | Rear Right | CV Axle Shaft |
| 2009 | Subaru | Legacy | GT spec.B | Manual | Rear Left | CV Axle Shaft |
| 2008 | Subaru | Legacy | GT spec.B | Manual | Rear Right | CV Axle Shaft |
| 2008 | Subaru | Legacy | GT spec.B | Manual | Rear Left | CV Axle Shaft |
| 2007 | Subaru | Legacy | GT spec.B | Manual | Rear Right | CV Axle Shaft |
| 2007 | Subaru | Legacy | GT spec.B | Manual | Rear Left | CV Axle Shaft |
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