National 7537S Wheel Seal - Front Inner

National 7537S Wheel Seal for Pontiac Acadian

The National 7537S wheel seal is engineered to provide reliable sealing performance for Pontiac Acadian driveline systems. Designed with precision dimensions and durable nitrile material, this oil seal helps maintain optimal axle function and prevent fluid leaks.

Key Features of National 7537S Wheel Seal

• Inside diameter: 1.500 inches (38.100 mm) shaft size
• Outside diameter: 2.066 inches (52.480 mm)
• Housing bore diameter: 2.062 inches (52.370 mm)
• Width: 0.240 inches (6.100 mm)
• Constructed from nitrile material for resistance to oil and wear
• Part type: 24 series oil seal designed for driveline and axle applications

Detailed Description of the 7537S Wheel Seal

This National 7537S wheel seal is part of the 7000 series, specifically designed to fit the Pontiac Acadian model. The seal features a 1.500 inch (38.100 mm) inside diameter to fit the shaft precisely, while the 2.066 inch (52.480 mm) outside diameter ensures a secure fit within the housing bore. Made from nitrile, the seal offers durability and resistance to oil, grease, and other automotive fluids, which helps extend the life of the driveline components. The 0.240 inch (6.100 mm) width provides a compact yet effective sealing surface to prevent contamination and fluid leakage.

Applications and Problem Solving

• Prevents axle oil leaks in Pontiac Acadian driveline systems
• Protects wheel bearings from dirt and moisture intrusion
• Maintains proper lubrication within axle assemblies
• Reduces wear on shaft and housing components
• Helps avoid driveline noise caused by seal failure

Installation Notes and Tips

• Ensure the shaft and housing bore are clean and free of debris before installation
• Use appropriate tools to press the seal evenly into the housing bore without distortion
• Verify the seal lip is properly oriented toward the lubricant side
• Check shaft surface for damage or wear that could compromise seal performance
• Follow vehicle manufacturer torque specifications when reassembling components

Quality Assurance and Warranty

National wheel seals are manufactured to meet industry standards for durability and fitment. The 7537S seal undergoes rigorous quality control to ensure consistent dimensions and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support reliable performance in Pontiac Acadian driveline applications.