TrakMotive FD-8378 CV Axle Shaft - Front Left

Reliable CV Axle Shaft for Ford Fusion and Lincoln MKZ

The TrakMotive AAR CV Axle Shaft FD-8378 is engineered to provide dependable driveline performance for select Ford and Lincoln vehicles. Designed specifically for the Ford Fusion and Lincoln MKZ, this CV axle shaft ensures precise fitment and consistent operation.

Key Features of the TrakMotive FD-8378 CV Axle Shaft

• Brand Line: AAR CV Axle Shaft, designed for durability and fitment accuracy
• Axle Nut Included with self-locking feature for secure installation
• Axle Nut Hex Size: 1.25 inches (31.8 mm) for compatibility with standard tools
• Axle Nut Thread Size: M22 x 1.5 ensuring proper threading and fit
• Boot Material: Neoprene, providing resistance to wear and environmental factors
• Inboard and Outboard Joint Types: Male spline and conventional joint for smooth driveline operation
• Number of Splines: 27 on both inboard and outboard shafts for precise engagement
• Overall Compressed Length: 24.72 inches (628 mm) matching OEM specifications

Detailed Description of the AAR CV Axle Shaft FD-8378

The TrakMotive AAR CV Axle Shaft FD-8378 is a new, high-quality replacement part designed to restore driveline function in compatible vehicles. This CV axle shaft features a neoprene boot that offers enhanced durability against road debris and temperature variations. The inboard joint utilizes a male spline connection style with 27 splines, while the outboard joint is a conventional type also with 27 splines, ensuring smooth power transfer and reduced vibration. The included axle nut is self-locking with a hex head measuring 1.25 inches, thread size M22 x 1.5, and a height of 0.74 inches, providing secure fastening during installation. The overall compressed length of 24.72 inches aligns with factory specifications for the Ford Fusion and Lincoln MKZ models.

Applications and Common Issues Addressed

• Replacement for worn or damaged CV axle shafts on Ford Fusion and Lincoln MKZ
• Resolves clicking or popping noises during turns caused by joint wear
• Eliminates vibration or shuddering under acceleration due to axle imbalance
• Fixes grease leaks from torn or degraded CV boots
• Restores driveline integrity after axle shaft bending or breakage

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the axle nut thread size (M22 x 1.5) and hex size (1.25 inches) match your tools. The self-locking axle nut included with this part should be torqued to manufacturer specifications to maintain secure fitment. Inspect the axle shaft splines and joint connections for proper engagement during assembly. Use appropriate grease compatible with neoprene boots to maintain joint lubrication and longevity.

Quality Assurance and Warranty Information

The TrakMotive AAR CV Axle Shaft FD-8378 is a new, OEM-quality replacement part manufactured to meet or exceed original equipment standards. While specific warranty details are not provided, TrakMotive products typically undergo rigorous quality control to ensure reliability and performance in Ford Fusion and Lincoln MKZ applications.