National 494122 Wheel Seal - Front, Front Inner or Rear Inner

Overview of National 494122 Wheel Seal for Chrysler and Hyundai Vehicles

The National 494122 wheel seal is engineered to provide reliable sealing performance for a range of driveline applications. Designed with nitrile material and precise dimensions, this oil seal is compatible with various Chrysler, Dodge, Hyundai, Kia, Mitsubishi, and Genesis models, ensuring proper fit and function.

• Inside diameter: 1.772 inches (45.000 mm)
• Outside diameter: 2.445 inches (62.100 mm)
• Thickness/width: 0.236 inches (6.000 mm)
• Sealing material: durable nitrile rubber
• Redicoat surface treatment for enhanced wear resistance
• Housing bore size: 2.441 inches (62.000 mm)
• Part type: 49 series oil seal

Technical Specifications and Material Details

This National wheel seal (part number 494122) is constructed from nitrile, a synthetic rubber known for its resistance to oil, heat, and abrasion. The seal features a 1.772-inch inside diameter and a 2.445-inch outside diameter, making it suitable for shafts and housings with matching dimensions. The 0.236-inch thickness ensures a secure fit within the housing bore of 2.441 inches. Additionally, the Redicoat treatment enhances the seal’s durability by providing a protective coating that reduces wear and extends service life.

Compatible Vehicles and Applications

This wheel seal is compatible with a variety of vehicles, including Chrysler models like the Dodge Challenger and Plymouth Conquest, Hyundai models such as the Sonata and Santa Fe, as well as Genesis vehicles including the G70, G80, and G90. It is also suitable for Kia Sorento and Mitsubishi Galant models. The National 494122 seal is designed for driveline and axle sealing systems, helping maintain proper lubrication and preventing contamination.

Common Issues Addressed by the National 494122 Wheel Seal

• Prevents oil leaks from wheel hubs and axle assemblies
• Protects driveline components from dirt and moisture intrusion
• Reduces wear on shafts by maintaining proper lubrication
• Helps avoid costly repairs due to seal failure or contamination
• Maintains vehicle driveline efficiency and performance

Installation Notes and Tips

When installing the National 494122 wheel seal, ensure the shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the original part, with the sealing lip facing the lubricant side. Lubricate the seal lip lightly before installation to reduce initial wear. Proper installation will help maintain the seal’s integrity and extend its service life.

Quality Assurance and Warranty Information

National wheel seals are manufactured to meet industry standards for durability and performance. The 494122 part undergoes rigorous quality control to ensure dimensional accuracy and material consistency. This product includes a limited warranty against defects in material and workmanship, providing confidence in its reliability for driveline sealing applications.