TrakMotive KA-8129 CV Axle Shaft - Front Right

TrakMotive KA-8129 CV Axle Shaft

The TrakMotive AAR CV Axle Shaft KA-8129 is a new front right axle assembly for select Kia Optima applications. It is built with a neoprene boot, spline-style shaft connections, and an included axle nut for a direct replacement on confirmed fitments.

Key Features

• Fits 2019-2020 Kia Optima, front right, VIN 5, 1st digit
• Fits 2016-2018 Kia Optima, front right, updated design, VIN 2 (8th digit)
• New CV axle shaft from TrakMotive AAR CV Axle Shaft line
• Inboard joint type: female; outboard joint type: conventional
• Inboard shaft connection: spline; outboard shaft connection: spline
• Neoprene boot material for drivetrain protection
• ABS tone ring included; 48-tooth toothed ABS ring
• Axle nut included: M22 x 1.5, 32 mm hex, stake locking type
• Overall compressed length: 23.39 in. (594 mm)

Product Details

TrakMotive KA-8129 is a front right CV axle shaft engineered for specific Kia Optima fitments. The AAR CV Axle Shaft product line focuses on replacement driveline components with application-specific dimensions, spline counts, and ABS hardware details that matter for proper fit and function. This axle uses a 28-2 inboard spline count, 30 outboard splines, and a 48-tooth ABS tone ring to match the listed vehicle configurations.

This part cross-references Kia OE-style numbers 49501D4350 and NCV75109 for the same application. For buyers searching for a Kia Optima front right CV axle shaft, KA-8129 provides the key dimensions and connection styles needed for the listed 2016-2018 and 2019-2020 vehicles.

Common Problems This Part Addresses

• Clicking or popping noises during turns from a worn outer CV joint
• Vibration or shudder during acceleration caused by axle wear
• Torn axle boot conditions that allow grease loss and contamination
• ABS warning concerns related to a damaged or missing tone ring
• Driveline play or binding from worn spline and joint interfaces

Installation Notes

Verify the vehicle’s VIN details, model year, and front right position before ordering. This axle is listed for 2016-2018 Kia Optima with VIN 2 (8th digit) and updated design, and for 2019-2020 Kia Optima with VIN 5, 1st digit. Confirm axle nut thread size, hex size, and compressed length against the original part during installation.

ABS axles fit non-ABS applications unless otherwise noted by the vehicle listing. Use proper torque procedures and inspect related hub, seal, and suspension components before completing the repair.

Quality Assurance

TrakMotive states that this CV axle shaft is backed by a limited lifetime warranty. The manufacturer also identifies its facility as ISO 9001:1007 and TS 16949:2009 certified, supporting controlled production and quality management for driveline replacement parts.