Moog 351A Universal Joint

Moog Universal Joint 351A Overview

The Moog 351A universal joint is engineered for reliable driveline performance in heavy-duty trucks. Designed to meet the specifications of American axle 1485, this greaseable U-joint ensures smooth power transfer for Chevrolet, Ford, Dodge, GMC, and Ram 2500 and 3500 series vehicles.

• Compatible with Chevrolet Silverado 2500 HD and 3500 HD
• Fits Ford F-250 Super Duty and F-350 Super Duty models
• Suitable for Dodge Ram 2500 and 3500 trucks
• Greaseable design with regular lube fitting in cross
• Four round plain bearings for durability and smooth operation
• Bearing cap diameter: 1.375 inches (34.925 mm)
• Length from outside bearing to outside bearing: 4.188 inches (106.375 mm)

Technical Specifications and Features

The Moog 351A universal joint features four round plain bearings with a bearing cap diameter of 1.375 inches (34.925 mm) on both axes. Its greaseable design includes a regular lube fitting located in the cross, allowing for easy maintenance and extended service life. The length measurement from outside bearing to outside bearing is 4.188 inches (106.375 mm), ensuring precise fitment in driveline assemblies. This U-joint is designed to meet the OE series standard for American axle 1485, making it a direct replacement for compatible heavy-duty trucks.

Applications and Problem Solving

This universal joint is intended for use in the driveline and axle systems of heavy-duty trucks, specifically for models such as Chevrolet Express 2500/3500, GMC Savana 2500/3500, and Ram 2500/3500. It addresses common driveline issues including:

• Excessive vibration caused by worn or damaged U-joints
• Noise and clunking during acceleration or deceleration
• Grease starvation leading to premature bearing wear
• Loss of driveline efficiency due to binding or stiffness
• Corrosion and contamination damage in non-greaseable joints

Installation Notes and Tips

When installing the Moog 351A universal joint, ensure the driveline yokes are clean and free of debris. Properly seat the bearing caps and verify the U-joint moves smoothly without binding. Use the grease fitting to lubricate the joint thoroughly after installation and during regular maintenance intervals. This will help prevent premature wear and maintain driveline performance. It is recommended to inspect the surrounding components for wear or damage during replacement.

Quality Assurance and Warranty

Moog universal joints are manufactured to meet strict quality standards and OE specifications. The 351A part number is backed by Moog's commitment to durability and reliability. This product is greaseable, allowing for extended service life through routine maintenance. Warranty coverage details can be obtained from Moog or authorized distributors, ensuring confidence in the product's performance for Chevrolet, Ford, Dodge, GMC, and Ram heavy-duty truck applications.