National 5697 Wheel Seal Kit - Front

Overview of National 5697 Wheel Seal Kit

The National 5697 Wheel Seal Kit is designed for reliable sealing performance in driveline and axle applications. Engineered with nitrile material, this oil seal kit is compatible with various GM vehicles including Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models.

• Inside diameter options: 1.875 inch (47.630 mm)
• Outside diameter: 3.150 inch (80.010 mm)
• Thickness/width: 0.315 inch (8.000 mm)
• Sealing material: durable nitrile for oil resistance
• Includes AS232 O-ring for enhanced sealing
• Housing bore size: approximately 3.146 inch (79.908 mm)

Technical Details and Specifications

The National 5697 wheel seal kit features a nitrile sealing material known for its resistance to oil and wear, making it suitable for axle and driveline applications. The kit includes an AS232 O-ring to ensure a tight seal within the housing bore, which measures approximately 3.146 inches. The seal’s shaft diameter is 1.875 inches, matching the shaft size on compatible vehicles. With an outside diameter of 3.150 inches and a thickness of 0.315 inches, this kit fits precisely in the designated bore, preventing leaks and contamination.

Compatible Vehicles and Applications

This wheel seal kit is compatible with a range of GM vehicles, including Buick Achieva, Cadillac Calais, Chevrolet Cavalier, Oldsmobile Cutlass Calais, Pontiac Grand Am, and other models such as the Firenza, Cimarron, Corsica, J2000, J2000 Sunbird, Skyhawk, Skylark, Sunfire, and Tempest. The National 5697 is specifically designed to meet the sealing requirements of these vehicles’ driveline and axle assemblies.

Common Issues Addressed by the National 5697 Wheel Seal Kit

• Prevents oil leaks from axle and driveline components
• Protects bearings and shafts from dirt and contaminants
• Reduces wear caused by improper sealing
• Maintains proper lubrication within the axle housing
• Helps avoid costly drivetrain repairs due to seal failure

Installation Notes and Tips

When installing the National 5697 wheel seal kit, ensure the housing bore is clean and free of debris. Use proper tools to avoid damaging the nitrile seal or O-ring during installation. Verify the shaft and bore dimensions match the seal specifications: 1.875 inch shaft diameter and 3.146 inch housing bore. Lubricate the seal lip lightly with compatible oil before installation to reduce initial wear. Follow vehicle-specific service manual instructions for torque and assembly procedures.

Quality Assurance and Warranty

National wheel seal kits are manufactured to meet industry standards for durability and performance. The nitrile material provides resistance to oil and heat, ensuring long service life. While specific warranty details for part number 5697 may vary, National typically offers limited warranties covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.