SKF UJ379 Universal Joint - Front Shaft Rear Joint, Rear or Rear Shaft Front Joint

SKF UJ379 Universal Joint for Driveline Repair

SKF UJ379 is a universal joint for drive shaft service on a wide range of trucks and SUVs, including Ford Ranger, Ford Explorer, Mazda B-series, and Dodge Dakota applications. Built with a 1.063-inch bearing cap diameter and plain round bearing caps, it is specified for driveline positions where precise joint fitment matters.

Key Features

• SKF universal joint, part number UJ379
• 1.063-inch bearing cap diameter
• (4) plain round bearing caps
• Bearing type: UJ
• Made from premium materials to meet or exceed original equipment specifications
• Designed for long service life and dependable driveline operation

Detailed Product Information

SKF UJ379 is engineered for driveline and axle service where the universal joint connects shaft sections and helps transfer torque through changing angles. This part number is used across many front shaft rear joint, rear shaft front joint, and rear applications, including 1993-1997 Ford Ranger, 1995-1996 Ford Explorer, 1994-1997 Mazda B3000, and 1991-1994 Ford Explorer configurations. It also cross-references 5-278X and AT54901 for the same application.

SKF manufactures universal joints, yokes, shafts, and related hardware for passenger vehicles, heavy-duty trucks, off-road use, and agricultural equipment. UJ379 follows OE-style dimensional requirements so the joint seats correctly in the driveline assembly and supports consistent operation under load.

What This Part Helps Address

• Clunking or vibration from a worn universal joint
• Driveline play caused by loose or damaged bearing caps
• Binding during shaft articulation
• Noise during acceleration or deceleration
• Service replacement for worn front shaft rear joint or rear shaft front joint locations

Installation Notes and Fitment Tips

Confirm bearing cap diameter and joint style before ordering. UJ379 is listed for many fitments, including Fits 1993-1997 Ford Ranger, Front Shaft Rear Joint; Fits 1995-1996 Ford Explorer, Rear Shaft Front Joint; Fits 1994-1997 Mazda B4000, Front Shaft Rear Joint; and Fits 1991-1994 Ford Explorer, Front Shaft Rear Joint. Additional coverage includes Mazda B2300, Mazda Navajo, Dodge Dakota, Ford Bronco, Ford F-150, Ford F-250, Chevrolet K10/K20/K30, Chevrolet K5 Blazer, GMC Jimmy/K3500, Lincoln Mark VII, and more.

Match the existing shaft and yoke configuration to the vehicle notes shown in the fitment data, including wheelbase, transfer case type, and yoke diameter where listed. For best results, inspect the companion joints and shaft components during service so the replacement is completed with the correct driveline specification.

Quality Assurance

SKF builds this universal joint to meet or exceed original equipment specifications using premium materials and manufacturing standards focused on durability and safety. That OE-level specification control is especially important for driveline service on Ford Ranger and Ford Explorer applications, where correct joint dimensions and fit are critical.