TrakMotive NI-8640 CV Axle Shaft - Front Right

Overview of TrakMotive CV Axle Shaft NI-8640

The TrakMotive CV Axle Shaft NI-8640 is designed specifically for Infiniti Q50 and Q60 models, providing reliable driveline performance. This new CV axle shaft ensures proper power transfer from the transmission to the wheels, maintaining vehicle stability and handling.

• Compatible with Infiniti Q50 and Q60 models
• Includes axle nut with cotter pin locking mechanism
• Neoprene boot material for enhanced durability
• Hex head axle nut with 31.8 mm (1.25 in) hex size
• Overall compressed length of 597 mm (23.5 in)
• Male inboard joint with 25 splines and conventional outboard joint with 27 splines

TrakMotive CV Axle Shaft Product Line Details

The TrakMotive CV Axle Shaft product line focuses on delivering new, high-quality constant velocity axle components engineered for precise fitment and durability. This line includes shafts with neoprene boots and conventional joint types, designed to meet OEM specifications for driveline and axle repairs. The NI-8640 model exemplifies this line by offering a robust construction and compatibility with specific Infiniti vehicles.

Technical Specifications and Features

The NI-8640 CV axle shaft features a neoprene boot that resists wear and environmental damage, extending the life of the joint. The inboard joint is a male type with 25 splines, while the outboard joint is conventional with 27 splines, ensuring secure connection and smooth power transfer. The included axle nut has a hex head measuring 31.8 mm (1.25 inches) across flats, with a height of 23.6 mm and length of 36.72 mm. It uses an M24x1.5 thread size and locks with a cotter pin for added safety. The overall compressed length of 597 mm (23.5 inches) matches OEM dimensions for proper fitment.

Common Applications and Problem Resolution

• Replacement for worn or damaged CV axle shafts on Infiniti Q50 and Q60
• Eliminates axle vibration and noise caused by joint wear
• Restores proper wheel alignment and driveline balance
• Prevents grease leakage with durable neoprene boot
• Addresses axle nut loosening issues with cotter pin locking

Installation Notes and Tips

When installing the TrakMotive NI-8640 CV axle shaft, ensure the axle nut is torqued to manufacturer specifications and secured with the cotter pin to prevent loosening. Verify spline engagement on both inboard and outboard joints for proper fit. Inspect the neoprene boot for any damage during installation to maintain joint protection. This part is designed for direct replacement on Infiniti Q50 and Q60 models, so no modifications should be necessary.

Quality Assurance and Warranty

This CV axle shaft is a new, not remanufactured, component built to meet or exceed OEM standards. TrakMotive provides quality assurance through rigorous manufacturing controls. While specific warranty details are not provided here, new parts typically carry a limited warranty against defects in materials and workmanship. Always consult the product documentation or supplier for exact warranty terms.