Moog 374 Universal Joint - Front Axle at Wheels, Front Axle Shaft - Left Outer or Front Axle Shaft - Right Outer

Moog Universal Joint 374 Overview

The Moog Universal Joint part number 374 is engineered for driveline reliability in heavy-duty trucks. Designed with greaseable 4 grooved round bearings, this U-joint supports smooth rotational movement and extended service life for vehicles like Chevrolet, Ford, Dodge, and GMC models.

• Greaseable design with regular lube fitting in cross for easy maintenance
• 4 grooved round bearing caps for enhanced durability
• Bearing cap diameter of 1.375 inches (35.0 mm) on both axes
• Length measurements of 3.000 inches (76.2 mm) on both axes
• Compatible with OE series Spicer 1480-wj (spl55)

Technical Specifications and Features

This Moog universal joint features precision-engineered round grooved bearings on both axes, each with a diameter of 1.375 inches (35.0 mm). The bearing caps are designed with four grooves to securely hold the bearings in place, reducing wear and vibration. The U-joint measures 3.000 inches (76.2 mm) in length on both axes, measured from outside groove to outside groove and inside groove to inside groove plus lock ring thickness. The greaseable cross includes a regular lube fitting, allowing for routine lubrication to maintain optimal performance and extend the life of the driveline component.

Compatible Vehicles and Applications

This universal joint is compatible with a range of heavy-duty trucks, including Chevrolet Excursion, Ford F-250 and F-350 Super Duty, Dodge Ram 2500 and 3500, as well as GMC K30, K3500, V30, V3500, and W-series models (W200, W250, W300, W350). The Moog 374 U-joint is designed to meet the specifications of the Spicer 1480-wj (spl55) OE series, ensuring proper fit and function in these driveline systems.

Common Issues Addressed by Moog Universal Joint 374

• Eliminates driveline vibrations caused by worn or damaged U-joints
• Prevents premature bearing wear with greaseable design
• Restores smooth rotational movement in the drive shaft
• Reduces risk of driveline failure due to bearing cap damage
• Maintains proper alignment and torque transfer in heavy-duty trucks

Installation Notes and Tips

When installing the Moog Universal Joint 374, ensure the bearing caps are properly seated in the yoke grooves. Use the grease fitting to lubricate the cross thoroughly after installation and during regular maintenance intervals. Verify that the U-joint matches the Spicer 1480-wj (spl55) specifications for your vehicle model to ensure compatibility. Proper torque settings should be followed to avoid damage to the bearing caps or cross.

Quality Assurance and Warranty

Moog universal joints are manufactured to meet or exceed OEM standards for durability and performance. The 374 U-joint undergoes rigorous quality control to ensure reliable operation under heavy-duty conditions. While specific warranty details are not provided here, Moog typically offers coverage against defects in materials and workmanship. Consult product documentation or Moog directly for warranty terms applicable to this part.