National RA-311 Axle Differential Bearing and Seal Kit - Front or Rear

Overview of National RA-311 Axle Differential Bearing and Seal Kit

The National RA-311 Axle Differential Bearing and Seal Kit is designed for driveline maintenance on select Ford, Lincoln, Mazda, and Mercury vehicles. This kit provides essential components to service axle differentials, ensuring reliable performance and proper sealing.

• Complete bearing and seal kit for axle differential service
• Compatible with multiple Ford, Lincoln, Mazda, and Mercury models
• Includes high-quality bearings and seals engineered for durability
• Part number RA-311 for precise identification and fitment
• Designed to maintain driveline integrity and reduce wear

Detailed Product Description

The National RA-311 kit contains all necessary components to replace worn or damaged axle differential bearings and seals. This kit supports driveline repair and maintenance on vehicles such as the Ford Explorer, F-150, Mustang, Lincoln Town Car, and Mercury Mountaineer. By replacing these critical parts, the kit helps restore smooth axle operation and prevents leaks that can lead to further drivetrain damage. The components are manufactured to meet OEM specifications, ensuring compatibility and reliable performance across the specified vehicle models.

Compatible Vehicles and Applications

This axle differential bearing and seal kit is compatible with a range of Ford, Lincoln, Mazda, and Mercury vehicles, including but not limited to:

• Ford Explorer, F-150, F-250, Mustang, Ranger, Bronco
• Lincoln Town Car, Continental, Mark VI, Mark VII
• Mazda Navajo
• Mercury Mountaineer, Cougar, Grand Marquis
• Ford Econoline series (E-100, E-150, E-250) and Aerostar

Common Issues Addressed by the RA-311 Kit

• Axle differential bearing wear causing noise or vibration
• Leaking axle seals leading to lubricant loss
• Reduced driveline efficiency due to worn components
• Preventing contamination ingress into the differential
• Restoring proper axle alignment and rotation

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning service
• Clean the differential housing thoroughly before installing new components
• Use proper tools to press bearings and seals to avoid damage
• Check for any additional driveline wear or damage during installation
• Follow manufacturer torque specifications for all fasteners

Quality Assurance and Warranty

National manufactures the RA-311 kit to meet industry standards for durability and fitment. While specific warranty details may vary, National typically offers coverage against defects in materials and workmanship. Using this kit helps maintain the integrity of your vehicle’s driveline system and supports long-term reliability.