OE Quality
60-Day Returns

TrakMotive KA-8123 CV Axle Shaft - Front Left
Overview of TrakMotive CV Axle Shaft KA-8123 for Kia Optima
The TrakMotive CV Axle Shaft KA-8123 is engineered specifically for Kia Optima models, providing reliable driveline performance. Designed as a new replacement part, this axle shaft ensures precise fitment and durability for your vehicle's CV components.
- Compatible with Kia Optima vehicles
- Includes a neoprene boot for enhanced durability
- Equipped with a 48-tooth ABS ring and included tone ring
- Features a hex head axle nut with stake locking
- Overall compressed length of 26.02 inches (661 mm)
TrakMotive CV Axle Shaft Product Line Details
The TrakMotive CV Axle Shaft product line focuses on delivering quality CV components designed to meet OEM specifications. This line emphasizes precise spline counts and robust joint types to ensure smooth power transfer and long service life. The KA-8123 model includes both inboard and outboard spline connections, with 28 and 30 splines respectively, supporting reliable driveline operation for the Kia Optima.
Technical Specifications and Features
This CV axle shaft features a neoprene boot material that offers resistance to wear and environmental factors. The inboard joint is a male type with a spline connection style, while the outboard joint is conventional with spline connection as well. The axle nut included is a hex head type, measuring 0.94 inches (24 mm) in height and 1.26 inches (32 mm) across the hex, with a thread size of M22*1.5 and a stake locking mechanism to secure the assembly. The ABS ring is toothed with 48 teeth and includes a tone ring for accurate ABS sensor readings.
Common Applications and Problem Solving
- Replacement for worn or damaged CV axle shafts on Kia Optima
- Resolves issues related to torn or leaking CV boots
- Addresses axle shaft vibration or clicking noises during turns
- Restores proper ABS sensor function with included tone ring
- Fixes axle nut loosening with stake locking design
Installation Notes and Tips
When installing the TrakMotive CV Axle Shaft KA-8123, ensure the axle nut is torqued to manufacturer specifications and properly staked to prevent loosening. Verify the spline engagement on both inboard and outboard joints for secure fitment. Inspect the neoprene boot for any damage during installation to maintain joint protection. This part is designed for direct replacement on compatible Kia Optima models, simplifying the installation process.
Quality Assurance and Warranty
The TrakMotive CV Axle Shaft KA-8123 is a new, remanufactured-free component built to meet or exceed OEM standards. It includes an ABS tone ring to maintain vehicle safety system integrity. While specific warranty details are not provided, TrakMotive products typically undergo rigorous quality control to ensure reliability and performance in driveline applications.
| Brand | TrakMotive |
| Part Number | KA-8123 |
| Position | CV Axle Shaft, Front Left |
| Abs Ring Tooth Count | 48 |
| Abs Ring Type | Toothed |
| Abs Tone Ring Included | Yes |
| Axle Nut Head Type | Hex |
| Axle Nut Height (in) | 0.94 |
| Axle Nut Height (mm) | 24 |
| Axle Nut Hex Size (in) | 1.26 |
| Axle Nut Hex Size (mm) | 32 |
| Axle Nut Included | Yes |
| Axle Nut Length (in) | 1.45 |
| Axle Nut Length (mm) | 36.95 |
| 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 | 28 |
| Number Of Outboard Splines | 30 |
| Outboard Joint Type | Conventional |
| Outboard Shaft Connection Style | Spline |
| Overall Compressed Length (in) | 26.02 |
| Overall Compressed Length (mm) | 661 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Submodel | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2015 | Kia | Optima | 2.0L | L4 | Front Left | VIN 6 (8th Digit); CV Axle Shaft | ||
| 2014 | Kia | Optima | 2.0L | L4 | Front Left | VIN 6 (8th Digit); CV Axle Shaft | ||
| 2013 | Kia | Optima | SXL | 2.0L | L4 | Front Left | CV Axle Shaft | |
| 2013 | Kia | Optima | SX | 2.0L | L4 | Front Left | CV Axle Shaft | |
| 2013 | Kia | Optima | EX | 2.0L | L4 | Front Left | CV Axle Shaft | |
| 2012 | Kia | Optima | SX | Automatic | 2.0L | L4 | Front Left | CV Axle Shaft |
| 2012 | Kia | Optima | EX | Automatic | 2.0L | L4 | Front Left | CV Axle Shaft |
| 2011 | Kia | Optima | SX | Automatic | 2.0L | L4 | Front Left | CV Axle Shaft |
| 2011 | Kia | Optima | EX | Automatic | 2.0L | L4 | Front Left | CV Axle Shaft |
* 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.