National 1174 Wheel Seal - Front Inner, Rear or Rear Inner

National 1174 Wheel Seal Overview

The National 1174 wheel seal is engineered for reliable sealing performance in driveline and axle applications. Designed with nitrile material, this oil seal ensures durability and effective protection against contaminants for select Mercedes-Benz, Porsche, and Volkswagen models.

• Inside diameter: 1.496 inches (38.000 mm)
• Outside diameter: 2.057 inches (52.250 mm)
• Thickness/width: 0.335 inches (8.500 mm)
• Sealing material: Nitrile for resistance to oil and wear
• Compatible with housing bore of 2.047 inches (52.000 mm)

Detailed Product Description

The National 1174 wheel seal is part of the 1000 series and is constructed from nitrile, a synthetic rubber known for its resistance to petroleum-based oils and fluids. This oil seal features a 1.496-inch (38 mm) shaft diameter and an outside diameter of 2.057 inches (52.25 mm), making it suitable for precise fitment in driveline components. The 0.335-inch (8.5 mm) thickness provides a robust sealing surface to prevent oil leaks and contamination ingress. This wheel seal is designed to maintain optimal sealing performance under typical operating conditions found in Mercedes-Benz, Porsche, and Volkswagen vehicles.

Compatible Vehicles and Applications

This wheel seal is compatible with a range of Mercedes-Benz models including 300D, 300SD, 300SDL, 300SE, 300SEL, 300SL, 300TD, 380SE, 380SEC, 380SEL, 380SL, 380SLC, 420SEL, 500SEC, 500SEL, 560SEC, 560SEL, and 560SL. It also fits Porsche 924 models and various Volkswagen vehicles such as Beetle, Cabriolet, Fox, Golf, Jetta, Rabbit Convertible, and Rabbit Pickup. The National 1174 is designed to replace worn or damaged wheel seals in these vehicles, ensuring proper driveline function.

Common Issues Addressed by National 1174 Wheel Seal

• Prevents oil leaks from axle and driveline components
• Protects bearings and shafts from dirt and moisture contamination
• Reduces premature wear caused by fluid loss or contamination
• Maintains proper lubrication within wheel hubs
• Helps avoid driveline noise and vibration related to seal failure

Installation Notes and Tips

When installing the National 1174 wheel seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify the seal orientation matches the original part to maintain proper oil retention. It is recommended to inspect related components such as bearings and shafts for wear during replacement.

Quality Assurance and Warranty

Manufactured by National, a recognized brand in sealing systems, the 1174 wheel seal meets industry standards for material quality and dimensional accuracy. The nitrile construction provides reliable resistance to oil and wear. Warranty details should be confirmed with the point of purchase or manufacturer documentation.