Moog 338 Universal Joint - Power Take Off

Moog Universal Joint 338 Overview

The Moog Universal Joint part number 338 is engineered for driveline and axle applications requiring reliable rotational movement and durability. Designed with four grooved round bearings and a greaseable cross, this universal joint supports smooth power transfer in various vehicle drivetrains.

• Greaseable design with angled lube fitting in the center of the cross for easy maintenance
• Four grooved round bearing caps ensuring secure fit and reduced wear
• Bearing cap diameters of 0.938 inches (23.8 mm) for precise fitment
• Length measurements of 1.5 inches (38.1 mm) on both axes for compatibility with specific driveline setups
• OE Series Spicer 1000 identification for trusted quality and fit

Detailed Product Description

The Moog 338 universal joint features four grooved round bearings that provide a stable and secure connection between the drive shaft components. Each bearing cap measures 0.938 inches (23.8 mm) in diameter, designed to fit tightly within the yoke for optimal performance. The greaseable cross includes an angled lube fitting located centrally, allowing for straightforward lubrication to extend service life and reduce friction. With length measurements of 1.5 inches (38.1 mm) from outside groove to outside groove, this U-joint is engineered to meet the specifications of many driveline applications requiring precise dimensions and durability.

Common Applications and Problem Solving

• Replaces worn or damaged universal joints in drive shafts to restore smooth rotational movement
• Addresses vibration issues caused by failing or loose U-joints
• Prevents premature wear by enabling regular lubrication through the greaseable fitting
• Suitable for vehicles requiring Spicer 1000 series U-joint replacements
• Helps maintain driveline alignment and reduces drivetrain noise

Installation Notes and Tips

When installing the Moog 338 universal joint, ensure the bearing caps are properly seated within the yoke grooves to avoid misalignment. Use the angled grease fitting to apply lubricant after installation and during routine maintenance. Verify that the length measurements match the original U-joint to ensure compatibility. Proper torque specifications should be followed to secure the joint without causing damage to the bearing caps or cross.

Quality Assurance and Warranty

Moog universal joints are manufactured to meet or exceed OEM standards, including the Spicer 1000 series specifications. The 338 part number undergoes rigorous quality control to ensure durability and performance under demanding conditions. While specific warranty details are not provided here, Moog products typically come with a limited warranty covering defects in materials and workmanship.