Moog 439 Universal Joint - At Rear Axle or Rear Driveshaft at Rear Axle

MOOG 439 Universal Joint for Rear Axle Service

The MOOG 439 universal joint is a premium driveline replacement built for rear axle and rear driveshaft applications. It uses greaseable construction and plain round bearing caps to support smooth driveline movement in compatible Chevrolet Silverado and GMC Sierra trucks.

Key Features

• Premium-grade universal joint for driveline and axle service
• Greaseable design for routine maintenance
• 4 plain round bearing caps
• Bearing cap diameter: 1.189 in. (30.188 mm)
• Length axis 1 and axis 2: 4.186 in. (80.924 mm)
• Direct replacement style for rear axle and rear driveshaft locations

Product Details

MOOG 439 is a universal joint engineered for rear axle and rear driveshaft repair where a serviceable, premium driveline joint is required. The greaseable design supports regular lubrication, while the bearing cap dimensions and overall length help match the original driveline geometry in listed applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. It fits 2014-2017 Chevrolet Silverado 1500, At Rear Axle; 2014-2017 Chevrolet Silverado 2500 HD, At Rear Axle; 2017 Chevrolet Silverado 3500 HD, At Rear Axle; 2014-2017 GMC Sierra 1500, At Rear Axle; 2014-2017 GMC Sierra 2500 HD, At Rear Axle; 2017 GMC Sierra 3500 HD, At Rear Axle; 2014-2016 Chevrolet Silverado 3500 HD, Rear Driveshaft at Rear Axle; and 2014-2016 GMC Sierra 3500 HD, Rear Driveshaft at Rear Axle. Part number 439 is also referenced by interchange numbers 88964413 and 889644132.

Common Problems This Part Can Address

• Driveline vibration from a worn universal joint
• Clunking or clicking during acceleration or deceleration
• Excessive play in the rear axle or rear driveshaft connection
• Grease loss or dry bearing wear in serviceable joints
• Noise caused by worn bearing caps in Silverado and Sierra driveline service

Installation Notes and Tips

Confirm bearing cap diameter, overall length, and axle or driveshaft position before installation. For best results, inspect the yoke, retaining hardware, and surrounding driveline components for wear before installing the new joint. After installation, grease the joint according to the vehicle service schedule and verify smooth driveline operation.

Quality Assurance

MOOG Premium universal joints are backed by material selection and testing standards intended to support reliable driveline performance. The MOOG 439 is built for consistent service in rear axle applications on Chevrolet Silverado and GMC Sierra trucks.