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TrakMotive HO-8399 CV Axle Shaft - Rear Right
| Brand | TrakMotive HO-8399 |
|---|---|
| Position | Rear Right |
| Abs Tone Ring Included | No |
| Axle Nut Head Type | Hex |
| Axle Nut Height (in) | 1 |
| Axle Nut Height (mm) | 23 |
| Axle Nut Hex Size (in) | 1 2/5 |
| Axle Nut Hex Size (mm) | 35.6 |
| Axle Nut Included | Yes |
| Axle Nut Length (in) | 1 1/2 |
| Axle Nut Length (mm) | 37.53 |
| Axle Nut Locking Type | Stake |
| Axle Nut Thread Size | M24*1.5 |
| Boot Material | Neoprene |
| Inboard Joint Type | Female |
| Inboard Shaft Connection Style | Female |
| New Or Remanufactured | New |
| Number Of Inboard Splines | 29-2T |
| Number Of Outboard Splines | 28 |
| Outboard Joint Type | Conventional |
| Outboard Shaft Connection Style | Conventional |
| Overall Compressed Length (in) | 27.6 |
| Overall Compressed Length (mm) | 701 |
| Product line | CV Axle Shaft |
| Fits | Acura · 7 vehicles |
New axle shaft. Fresh replacement part for driveline service.
Neoprene boot material. Helps resist wear in demanding conditions.
Axle nut included. Conveniently supplied for a complete install.
Cross-references TrakMotive HO-8399, 60-4286 and 42310STXA01 for the same application. See all 4.
TrakMotive HO-8399 CV Axle Shaft for Acura MDX
The TrakMotive HO-8399 is a new rear right CV axle shaft for 2007-2013 Acura MDX applications. It is built with a neoprene boot, a female inboard connection, and a conventional outboard joint for direct driveline service on the specified vehicle fitment.
Key Features
- Brand: TrakMotive CV Axle Shaft
- Part number: HO-8399
- Fits 2007-2013 Acura MDX, rear right
- New axle shaft assembly
- Neoprene boot material
- Female inboard shaft connection
- Conventional outboard shaft connection
- Includes axle nut with M24 x 1.5 thread size
- No ABS tone ring included
- Overall compressed length: 27.6 in. (701 mm)
Product Details
TrakMotive HO-8399 is a CV axle shaft for the rear right position on 2007-2013 Acura MDX models. The axle uses a female inboard joint with 29-2T inboard splines and a conventional outboard joint with 28 outboard splines. It also includes a hex axle nut with stake locking type, 35.6 mm hex size, and 23 mm height. This part cross-references OE-style numbers 60-4286 and 42310STXA01 for the same application.
The TrakMotive CV Axle Shaft line focuses on replacement driveline components for passenger vehicles, and HO-8399 follows that approach with application-specific dimensions and connection styles for Acura MDX rear axle service.
Common Repair Uses
- Restores driveline function when the rear right axle is worn or damaged
- Addresses clicking, vibration, or binding from a failing CV joint
- Replaces a leaking or torn axle boot assembly
- Helps correct axle-related noise during acceleration or turning
- Supports repair after spline, joint, or shaft wear on the rear axle
Installation Notes
Verify rear right fitment before installation on the 2007-2013 Acura MDX. Confirm spline count, axle nut thread size, and compressed length against the original part. Use the included axle nut where specified, and follow factory torque and staking procedures during installation.
Quality Assurance
TrakMotive states that this axle shaft is backed by a limited lifetime warranty. The manufacturer also notes ISO 9001:1007 and TS 16949:2009 certified company processes, along with application guidance that ABS axles fit non-ABS applications unless otherwise noted.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2013 | Acura | MDX | Rear Right | CV Axle Shaft |
| 2012 | Acura | MDX | Rear Right | CV Axle Shaft |
| 2011 | Acura | MDX | Rear Right | CV Axle Shaft |
| 2010 | Acura | MDX | Rear Right | CV Axle Shaft |
| 2009 | Acura | MDX | Rear Right | CV Axle Shaft |
| 2008 | Acura | MDX | Rear Right | CV Axle Shaft |
| 2007 | Acura | MDX | Rear Right | CV Axle Shaft |
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