SKF UJ391 Universal Joint

SKF UJ391 Universal Joint for Nissan Driveline Service

SKF UJ391 is a driveline universal joint built for Nissan front and rear shaft service on select D21, 720, and 510 applications. It is made from premium materials and manufactured to meet or exceed original equipment specifications for fit, durability, and safe operation.

Key Features

• Universal joint for drive shaft and driveline repair
• Bearing cap type: (4) grooved round
• Bearing type: UJ
• Bearing cap axis 1 diameter: 0.985 in.
• OE-style replacement for select Nissan D21, Nissan 720, and Nissan 510 applications
• SKF part number UJ391 for driveline identification and ordering

Detailed Description

SKF UJ391 is designed for driveline service where a worn or noisy universal joint needs replacement. This part is used in front shaft front joint and rear joint positions on 1988-1989 Nissan D21 models with a 2-joint shaft or 3-joint shaft, as well as multiple front, rear, center, and shaft-joint positions on 1980-1985 Nissan 720 and 1968-1973 and 1978-1979 Nissan 510 applications. The grooved round bearing cap design and 0.985-inch bearing cap diameter help support proper driveline fitment in the specified applications. This part cross-references Spicer 5-1501X for the same application.

Vehicle Fitment

• Fits 1988-1989 Nissan D21, front shaft front joint.
• Fits 1988-1989 Nissan D21, front shaft rear joint.
• Fits 1988-1989 Nissan D21, front shaft front joint, universal joint fitment with a 3 joint shaft.
• Fits 1988-1989 Nissan D21, front shaft rear joint, universal joint fitment with a 3 joint shaft.
• Fits 1980-1985 Nissan 720, front, fits universal joint with 2 joint shafts.
• Fits 1980-1985 Nissan 720, rear, fits universal joint with 2 joint shafts.
• Fits 1980-1985 Nissan 720, front, w/ 3 joint shaft.
• Fits 1980-1985 Nissan 720, center, w/ 3 joint shaft.
• Fits 1980-1985 Nissan 720, rear, w/ 3 joint shaft.
• Fits 1980-1982 Nissan 720, front shaft front joint.
• Fits 1980-1982 Nissan 720, front shaft rear joint.
• Fits 1980-1982 Nissan 720, intermediate shaft front joint.
• Fits 1980-1982 Nissan 720, intermediate shaft rear joint.
• Fits 1980-1982 Nissan 720, rear shaft front joint.
• Fits 1980-1982 Nissan 720, rear shaft rear joint.
• Fits 1978-1979 Nissan 510, front.
• Fits 1968-1973 Nissan 510, front.
• Fits 1978-1979 Nissan 510, rear.
• Fits 1968-1973 Nissan 510, rear.

Common Repair Uses

• Replacing a worn universal joint that causes driveline vibration
• Addressing clunking or clicking from the drive shaft area
• Restoring smooth power transfer in Nissan D21, Nissan 720, and Nissan 510 driveline assemblies
• Repairing looseness or play at the shaft joint
• Correcting noise from front, rear, center, or intermediate shaft positions listed above

Installation Notes and Tips

Verify the bearing cap diameter and joint style before installation to confirm match-up with the existing driveline hardware. Compare the shaft position, joint count, and application notes on the vehicle to the fitment list for the correct Nissan D21, Nissan 720, or Nissan 510 configuration. Clean the yoke surfaces and inspect related driveline components for wear before installing the new joint.

Quality Assurance

SKF manufactures driveline components to meet or exceed original equipment specifications, with premium materials and quality standards focused on long service life and safe operation.