National 331301N Wheel Seal - Front Inner

Overview of National 331301N Wheel Seal for Buick LeSabre and Riviera

The National 331301N wheel seal is designed to provide reliable sealing performance for driveline and axle applications. Specifically engineered for Buick LeSabre and Riviera models, this oil seal helps maintain proper lubrication and prevent contamination in the wheel assembly.

• Inside diameter: 2.000 inches (50.8 mm)
• Outside diameter: 2.566 inches (65.18 mm)
• Housing bore: 2.562 inches (65.07 mm)
• Width: 0.528 inches (13.41 mm)
• Material: durable polyacrylate compound
• Series: 330000, Type 33 oil seal

Detailed Product Description

The National 331301N wheel seal is constructed from polyacrylate, a material known for its resistance to heat, oil, and wear, making it suitable for demanding automotive environments. With an inside diameter of 2.000 inches and an outside diameter of 2.566 inches, this seal fits precisely within the housing bore of 2.562 inches, ensuring a tight and secure fit. The 0.528-inch width provides adequate sealing surface to prevent oil leaks and contamination ingress. This Type 33 oil seal from National's 330000 series is engineered to maintain axle and driveline integrity in Buick LeSabre and Riviera vehicles, supporting smooth wheel rotation and extending component life.

Common Applications and Problem Solving

• Prevents oil leaks from wheel bearings and axle assemblies
• Protects against dirt, dust, and moisture contamination
• Reduces premature wear of driveline components
• Maintains proper lubrication within the wheel hub
• Helps avoid costly repairs related to seal failure

Installation Notes and Tips

• Ensure the housing bore and shaft 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 correctly oriented toward the lubricant side
• Check shaft surface for damage or wear that could compromise seal performance
• Apply a light coating of compatible lubricant on the seal lip prior to installation

Quality Assurance and Warranty

National wheel seals, including part number 331301N, are manufactured to meet industry standards for durability and performance. The polyacrylate material offers resistance to heat and oil degradation, contributing to long service life. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring confidence in the product's reliability for Buick LeSabre and Riviera driveline maintenance.