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TrakMotive KA-8126 CV Axle Shaft - Front Left
| Brand | TrakMotive KA-8126 |
|---|---|
| Position | 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) | 25.75 |
| Overall Compressed Length (mm) | 654 |
| Product line | AAR CV Axle Shaft |
| Fits | Kia · 5 vehicles |
New. Built as a new CV axle shaft for a straightforward replacement.
Neoprene boot. Helps resist wear while keeping the joint protected and flexible.
ABS tone ring included. Comes with a toothed ring and axle nut for a complete setup.
Cross-references TrakMotive KA-8126, 49500D4300 and NCV75110 for the same application. See all 3.
TrakMotive KA-8126 CV Axle Shaft for Kia Optima
TrakMotive KA-8126 is a new front left CV axle shaft for select Kia Optima applications. It is built for 2016-2020 Kia Optima models with fitment-specific notes, including updated-design 2016-2018 vehicles and 2019-2020 vehicles with the listed VIN requirements.
Key Features
- Brand: TrakMotive AAR CV Axle Shaft
- Part number: KA-8126
- Front left CV axle shaft for Kia Optima
- New construction with neoprene boot material
- Inboard joint type: male
- Inboard shaft connection: spline, 28 inboard splines
- Outboard joint type: conventional
- Outboard shaft connection: spline, 30 outboard splines
- Overall compressed length: 25.75 in. (654 mm)
- Includes axle nut with M22 x 1.5 thread, 32 mm hex size, and stake locking type
- ABS tone ring included; 48-tooth toothed ABS ring
Product Details
KA-8126 is part of TrakMotive’s AAR CV Axle Shaft line, a product line focused on direct-fit driveline replacement for specific vehicle applications. This axle is engineered for front left installation on the Kia Optima and includes the ABS tone ring configuration called out for the application. TrakMotive KA-8126 also carries ISO 9001:1007 and TS 16949:2009 certified company manufacturing references, along with a limited lifetime warranty from the manufacturer.
This part cross-references Hyundai/Kia OE numbers 49500D4300 and NCV75110 for the same application.
Common Problems This Axle Can Address
- Clicking or popping during turns from a worn CV joint
- Vibration during acceleration caused by axle wear or imbalance
- Grease leakage from a damaged axle boot
- Noise from a failing front left driveline assembly
- ABS-related fitment concerns when the correct tone ring configuration is required
Installation Notes
Verify the vehicle’s VIN and ABS configuration before installation, especially on 2016-2018 Kia Optima models with the updated design note and 2019-2020 vehicles with the listed VIN requirements. Confirm spline count, axle nut thread size, and compressed length against the original axle before assembly. Use the correct torque procedure for the axle nut and inspect related seals, hubs, and suspension components during replacement.
Quality Assurance
TrakMotive identifies this axle as a new part and backs it with a limited lifetime warranty. The brand also states ISO 9001:1007 and TS 16949:2009 certification references for its manufacturing process.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Kia | Optima | 2.0L | L4 | Front Left | VIN 5, 1st Digit; AAR CV Axle Shaft |
| 2019 | Kia | Optima | 2.0L | L4 | Front Left | VIN 5, 1st Digit; AAR CV Axle Shaft |
| 2018 | Kia | Optima | 2.0L | L4 | Front Left | Updated Design; VIN 2 (8th Digit); AAR CV Axle Shaft |
| 2017 | Kia | Optima | 2.0L | L4 | Front Left | Updated Design; VIN 2 (8th Digit); AAR CV Axle Shaft |
| 2016 | Kia | Optima | 2.0L | L4 | Front Left | Updated Design; VIN 2 (8th Digit); AAR CV Axle Shaft |
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