TrakMotive HO-8643 CV Axle Shaft - Front Left

Front Left CV Axle Shaft for Acura RDX

TrakMotive HO-8643 is a new AAR CV axle shaft for the front left position on 2016-2018 Acura RDX models. It is built for direct replacement service with the correct spline counts, axle nut specification, and compressed length for the listed application.

The TrakMotive AAR CV Axle Shaft line focuses on application-specific driveline fitment and OE-style replacement geometry. For this Acura RDX front left axle, that means a spline-matched shaft with a neoprene boot, included axle nut, and no ABS tone ring.

Key Features

• Fits 2016-2018 Acura RDX, front left
• TrakMotive HO-8643 CV axle shaft
• New replacement axle for driveline service
• 31 inboard splines and 30 outboard splines
• Male inboard joint with spline shaft connection
• Conventional outboard joint design
• Neoprene boot material for axle boot service
• Includes axle nut with M26 x 1.5 thread size
• No ABS tone ring included
• Overall compressed length: 25.98 in. (660 mm)

Detailed Description

TrakMotive HO-8643 is a front left CV axle shaft for the 2016-2018 Acura RDX, engineered to match the listed application with the correct overall compressed length, spline count, and axle nut dimensions. This axle uses a male inboard joint, a conventional outboard joint, and spline connections at both ends for direct driveline replacement. The included axle nut features a hex head, stake locking type, and M26 x 1.5 thread size.

This part cross-references 44306TX4A11 for the same application. If you are searching for a 2016 Acura RDX front left CV axle shaft, a 2017 Acura RDX front left axle replacement, or a 2018 Acura RDX driveline repair part, HO-8643 is the listed fitment.

Common Problems This Part Can Address

• Clicking or popping during turns from a worn CV joint
• Vibration under acceleration caused by axle wear
• Grease leakage from a damaged axle boot
• Clunking or looseness from a failing front axle assembly
• Loss of driveline smoothness in the front left axle position

Installation Notes and Tips

Verify the vehicle is a 2016-2018 Acura RDX with front left application before installation. Confirm spline counts, axle nut thread size, and compressed length against the removed part to ensure proper fit. Because the axle nut is stake-locking, follow the vehicle service procedure for nut removal and replacement, and inspect related seals and suspension components during service.

Quality Assurance

TrakMotive identifies this AAR CV axle shaft as a new part from an ISO 9001:1007 and TS 16949:2009 certified company. The manufacturer also backs this part with a limited lifetime warranty.