National 5113 Wheel Seal - Rear Outer

Overview of National 5113 Wheel Seal for Chevrolet Corvette

The National 5113 wheel seal is designed specifically for Chevrolet Corvette models, providing reliable sealing performance for driveline and axle applications. Constructed from durable nitrile material, this oil seal ensures effective protection against contaminants and fluid leaks.

• Inside diameter: 2.000 inches (50.8 mm)
• Outside diameter: 2.749 inches (69.82 mm)
• Housing bore: 2.745 inches (69.72 mm)
• Width: 0.230 inches (5.84 mm)
• Material: Nitrile rubber for resistance to oil and wear
• Type: 203 series oil seal
• Part number: 5113

Detailed Product Description and Specifications

The National 5113 wheel seal is part of the 5000 series and is engineered to fit the shaft diameter of 2.000 inches (50.8 mm) commonly found in Chevrolet Corvette driveline assemblies. Its nitrile construction offers excellent resistance to oil, grease, and other automotive fluids, helping to maintain the integrity of the axle and driveline components. The precise outside diameter of 2.749 inches (69.82 mm) and housing bore of 2.745 inches (69.72 mm) ensure a secure fit within the axle housing, minimizing the risk of leaks and contamination. With a width of 0.230 inches (5.84 mm), this seal balances durability and compact design for optimal performance.

Compatible Vehicles and Applications

This wheel seal is compatible with Chevrolet Corvette models requiring a 2.000 inch shaft seal. It is designed for use in driveline and axle sealing systems where maintaining oil containment and preventing dirt ingress is critical.

• Prevents oil leaks in axle assemblies
• Protects driveline components from dirt and debris
• Reduces wear on shafts and bearings
• Maintains proper lubrication within the axle housing
• Helps avoid costly driveline repairs due to seal failure

Installation Notes and Tips

When installing the National 5113 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 installation to maintain proper oil retention. Lubricate the seal lip lightly with compatible grease or oil before installation to reduce initial wear.

Quality Assurance and Warranty Information

National wheel seals are manufactured to meet industry standards for durability and performance. The 5113 part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.