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TrakMotive NI-8640 CV Axle Shaft - Front Right
| Brand | TrakMotive NI-8640 |
|---|---|
| Position | Front Right |
| Abs Tone Ring Included | No |
| Axle Nut Head Type | Hex |
| Axle Nut Height (mm) | 23.6 |
| Axle Nut Hex Size (in) | 1.25 |
| Axle Nut Hex Size (mm) | 31.8 |
| Axle Nut Included | Yes |
| Axle Nut Length (mm) | 36.72 |
| Axle Nut Locking Type | Cotter Pin |
| Axle Nut Thread Size | M24*1.5 |
| Boot Material | Neoprene |
| Inboard Joint Type | Male |
| Inboard Shaft Connection Style | Male |
| New Or Remanufactured | New |
| Number Of Inboard Splines | 25 |
| Number Of Outboard Splines | 27 |
| Outboard Joint Type | Conventional |
| Outboard Shaft Connection Style | Conventional |
| Overall Compressed Length (in) | 23.5 |
| Overall Compressed Length (mm) | 597 |
| Product line | CV Axle Shaft |
| Fits | INFINITI · 9 vehicles |
New replacement part. Built as a fresh CV axle shaft for dependable service.
Neoprene boot material. Helps protect the joint from wear and contamination.
Axle nut included. Saves time by providing the matching hardware.
Cross-references TrakMotive NI-8640 and 391004HK0A for the same application. See all 2.
Front Right CV Axle Shaft for Infiniti
TrakMotive NI-8640 is a new front right CV axle shaft for select Infiniti applications. It is built with a neoprene boot, a male inboard shaft connection, and a conventional outboard joint for direct driveline service on the listed vehicles.
Key Features
- Brand: TrakMotive CV Axle Shaft
- Part number: NI-8640
- Front right position
- New construction
- Neoprene boot material
- Male inboard joint and shaft connection
- Conventional outboard joint and shaft connection
- Includes axle nut with cotter pin locking type
- Axle nut thread size: M24 x 1.5
- Overall compressed length: 597 mm (23.5 in)
- No ABS tone ring included
This TrakMotive CV axle shaft line is built for driveline replacement work where correct spline count, shaft length, and joint style matter. NI-8640 uses 25 inboard splines and 27 outboard splines, and it is backed by ISO 9001:1007 and TS 16949:2009 certified manufacturing practices.
Vehicle Fitment
- Fits 2016-2019 INFINITI Q50, front right.
- Fits 2017 INFINITI Q60, front right.
- Fits 2018-2019 INFINITI Q60, front right, VR30DDTT.
Common Issues This Part May Address
- Clicking or popping during turns from a worn CV joint
- Vibration under acceleration caused by a damaged axle shaft
- Grease leakage from a torn or deteriorated boot
- Noise from excessive play in the front right driveline
- Loss of smooth power transfer to the front wheel
Installation Notes
Verify front right fitment by year, model, and engine application before installation. Confirm axle nut thread size, spline counts, and overall compressed length against the removed part. The included axle nut uses a cotter pin locking design; follow the vehicle service procedure for torque and final inspection.
Quality Assurance
TrakMotive NI-8640 is a new CV axle shaft manufactured by an ISO 9001:1007 and TS 16949:2009 certified company. It includes a limited lifetime warranty. This part cross-references OE number 391004HK0A for the same application.
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2019 | INFINITI | Q50 | — | AWD | 3.0L | V6 | Front Right | CV Axle Shaft |
| 2019 | INFINITI | Q60 | — | AWD | 3.0L | V6 | Front Right | VR30DDTT; CV Axle Shaft |
| 2018 | INFINITI | Q50 | Hybrid | AWD | 3.5L | V6 | Front Right | CV Axle Shaft |
| 2018 | INFINITI | Q50 | — | AWD | 3.0L | V6 | Front Right | CV Axle Shaft |
| 2018 | INFINITI | Q60 | — | AWD | 3.0L | V6 | Front Right | VR30DDTT; CV Axle Shaft |
| 2017 | INFINITI | Q50 | Hybrid | AWD | 3.5L | V6 | Front Right | CV Axle Shaft |
| 2017 | INFINITI | Q50 | — | AWD | 3.0L | V6 | Front Right | CV Axle Shaft |
| 2017 | INFINITI | Q60 | — | AWD | 3.0L | V6 | Front Right | CV Axle Shaft |
| 2016 | INFINITI | Q50 | — | AWD | 3.0L | V6 | Front Right | CV Axle Shaft |
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