National 1188 Wheel Seal - Front Inner

Overview of National 1188 Wheel Seal for Nissan Vehicles

The National 1188 wheel seal is designed to provide reliable sealing performance for select Nissan models including the 200SX, 280ZX, 510, 810, and Maxima. Engineered with nitrile material, this oil seal ensures durability and effective protection against contaminants and fluid leaks.

• Inside diameter: 1.890 inches (48.000 mm)
• Outside diameter: 2.451 inches (62.250 mm)
• Housing bore diameter: 2.441 inches (62.000 mm)
• Width: 0.236 inches (6.000 mm)
• Material: Nitrile rubber for resistance to oil and wear
• Type: 34 series oil seal
• Compatible with Nissan 200SX, 280ZX, 510, 810, and Maxima models

Detailed Product Description

The National 1188 wheel seal is part of the 1000 series and is specifically designed to maintain a secure seal around the axle shaft, preventing oil leakage and protecting driveline components from dirt and moisture. Its nitrile construction offers excellent resistance to petroleum-based fluids and mechanical wear, making it suitable for the demanding conditions found in Nissan vehicles such as the 200SX and Maxima. The precise dimensions, including a 1.890 inch inside diameter and 2.451 inch outside diameter, ensure a proper fit within the housing bore of 2.441 inches, providing a tight seal that supports driveline integrity.

Common Applications and Problem Solving

• Prevents oil leaks from wheel hubs and axle assemblies
• Protects bearings and other driveline components from dirt and moisture
• Reduces risk of premature wear due to contamination
• Maintains proper lubrication within the axle housing
• Helps avoid costly repairs related to seal failure in Nissan 280ZX and 510 models

Installation Notes and Tips

When installing the National 1188 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 to maintain proper oil retention. Avoid using excessive force during installation to prevent deformation of the nitrile material.

Quality Assurance and Warranty

National wheel seals are manufactured to meet industry standards for durability and performance. The 1188 part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, National products typically adhere to OEM quality requirements, offering reliable service life when installed correctly in compatible Nissan models.