Moog 393 Universal Joint

Moog Universal Joint for Nissan and Infiniti Vehicles

The Moog 393 universal joint is engineered to provide reliable driveline performance for select Nissan and Infiniti models. Designed with greaseable, 4 grooved round bearings, this U-joint ensures smooth operation and extended service life in demanding driving conditions.

• Compatible with Nissan 280ZX, 720, 810, D21, Pathfinder, and Infiniti QX4
• Greaseable design with regular lube fitting in cross for easy maintenance
• 4 grooved round bearing caps measuring 1.103 inches (28.0 mm) in diameter
• Precise length measurements: 2.205 inches (56.0 mm) from outside groove to outside groove
• Durable construction suitable for driveline and axle applications

Technical Specifications and Features

This Moog universal joint (part number 393) features four grooved round bearings that provide consistent rotational support and reduce wear. The bearing caps have a diameter of 1.103 inches (28.0 mm) on both axes, ensuring a precise fit. The U-joint is greaseable, equipped with a regular lube fitting located in the cross, allowing for routine lubrication to maintain optimal performance. Length measurements are carefully specified as 2.205 inches (56.0 mm) from outside groove to outside groove, and the bearing type is round grooved on both axes, which contributes to smooth driveline operation.

Applications and Common Repair Uses

This universal joint is designed for use in the driveline and axle systems of Nissan and Infiniti vehicles, including the Nissan 280ZX, 720, 810, D21, Pathfinder, and Infiniti QX4. It addresses several common issues such as:

• Eliminating driveline vibrations caused by worn or damaged U-joints
• Restoring smooth rotational movement in the drive shaft
• Preventing premature bearing wear through proper lubrication
• Reducing noise and play in the driveline assembly
• Maintaining proper alignment and torque transfer in the axle system

Installation Notes and Tips

When installing the Moog 393 universal joint, ensure the bearing caps are properly seated and aligned with the grooves. Use the grease fitting to apply lubricant before and after installation to extend the service life. Verify compatibility with your specific Nissan or Infiniti model by cross-referencing the part number and vehicle fitment. Proper torque specifications should be followed to avoid damage to the U-joint or driveline components.

Quality Assurance and Warranty

Moog universal joints are manufactured to meet or exceed OEM standards for durability and performance. The 393 U-joint undergoes rigorous quality control to ensure precise fit and reliable operation. This part is backed by Moog's limited warranty, which covers defects in materials and workmanship under normal use conditions.