Dana Spicer 5-7439X Universal Joint - Rear Driveshaft at Rear Axle or Rear Driveshaft at Transmission

Reliable Universal Joint for Ford and Mercury Vehicles

The Dana Spicer HGVF Universal Joint 5-7439X is engineered to provide dependable driveline performance for select Ford and Mercury models. Designed to meet OEM specifications, this universal joint ensures smooth power transfer and durability in demanding applications.

• Compatible with Ford and Mercury models including Aerostar, Mustang, Ranger, and E-150 Econoline
• Bearing cap diameters: 1.062" and 1.125" (27.0 mm and 28.6 mm)
• Round bearing cap type with OSR style caps for precise fit
• Length A and B both measure 3.219 inches (81.8 mm)
• Constructed from durable steel material for long-lasting service
• Includes external snap rings for secure installation
• Non-greaseable design for maintenance-free operation

About the Dana Spicer HGVF Product Line

The HGVF line from Dana Spicer focuses on heavy-duty driveline components designed to meet rigorous performance standards. This universal joint, part number 5-7439X, is part of the HGVF series that offers reliable compatibility with the S55 and 1310 series driveline systems, ensuring seamless integration and consistent operation in commercial and passenger vehicles.

Detailed Product Description

The Dana Spicer 5-7439X universal joint features bearing caps with diameters of 1.062 inches and 1.125 inches, corresponding to 27.0 mm and 28.6 mm respectively. Both bearing caps are round and utilize an OSR (Outside Snap Ring) style, which provides a secure fit and ease of installation. The overall length on both sides measures 3.219 inches (81.8 mm), matching the OEM Spicer S55/1310 series specifications. Made from high-quality steel, this universal joint is designed to withstand the stresses of driveline torque and rotational forces without compromising reliability. The external snap ring included ensures the joint remains firmly in place during operation. This part is non-greaseable, reducing maintenance requirements and simplifying service intervals.

Compatible Vehicles and Applications

• Ford Aerostar
• Ford Mustang
• Ford Ranger
• Ford E-100 and E-150 Econoline (including Club Wagon variants)
• Mercury Cougar, Grand Marquis, Marauder, and Monarch

Common Issues Addressed by This Universal Joint

• Eliminates driveline vibrations caused by worn or damaged universal joints
• Restores smooth rotational movement in the drive shaft assembly
• Prevents driveline binding and noise during acceleration or turning
• Replaces failing OEM S55/1310 series universal joints
• Improves overall driveline reliability and vehicle safety

Installation Notes and Tips

Ensure the universal joint 5-7439X is compatible with your vehicle’s driveline series (S55 to 1310 conversion). The external snap rings included must be properly seated to secure the bearing caps. Since this is a non-greaseable joint, no additional lubrication is required during installation. Verify bearing cap diameters and lengths match your existing components to avoid fitment issues. Professional installation is recommended to maintain driveline balance and alignment.

Quality Assurance and Warranty

Manufactured by Dana Spicer, a trusted OEM supplier, this universal joint meets strict quality standards for durability and performance. The part number 5-7439X is backed by Dana Spicer’s quality assurance processes. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.