National 722108 Axle Spindle Seal - Front Inner or Front Outer

National 722108 Axle Spindle Seal Overview

The National 722108 axle spindle seal is engineered to provide reliable sealing performance for a range of vehicles including Chevrolet, Ford, Dodge, GMC, Jeep, and Mazda models. Designed with precision, this oil seal helps maintain axle integrity by preventing lubricant leaks and contamination.

• Housing bore diameter: 1.625 inches (41.280 mm)
• Outside diameter: 1.662 inches (42.210 mm)
• Shaft diameter: 1.312 inches (33.320 mm)
• Seal width: 0.156 inches (3.960 mm)
• Material: Durable nitrile for resistance to oil and wear
• Seal type: Vrs1 oil seal from the 722000 series

Detailed Product Description

The National 722108 axle spindle seal is constructed from nitrile, a synthetic rubber known for its excellent resistance to petroleum-based oils and greases. This seal features a housing bore of 1.625 inches and an outside diameter of 1.662 inches, making it suitable for axle spindle applications requiring precise fitment. The 0.156-inch width ensures a compact design that fits securely within the axle housing. The Vrs1 seal type is designed to provide effective sealing against contaminants while retaining lubricants, which is critical for maintaining axle performance and longevity.

Compatible Vehicles and Applications

This axle spindle seal is compatible with a variety of vehicles, including Chevrolet Blazer, Ford F-150, Dodge Ramcharger, GMC Jimmy, Jeep Wrangler, and Mazda Navajo models. It is specifically designed for driveline and axle sealing systems in these vehicles, ensuring proper fit and function.

• Prevents oil leaks from axle spindles
• Protects axle bearings from dirt and debris
• Maintains lubrication integrity for driveline components
• Reduces risk of axle damage due to contamination
• Supports consistent vehicle performance under various driving conditions

Installation Notes and Tips

When installing the National 722108 axle spindle seal, ensure the housing bore and shaft surfaces 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 sealing function. Lubricate the seal lip lightly with compatible grease or oil before installation to reduce initial wear.

Quality Assurance and Warranty

National axle spindle seals are manufactured to meet industry standards for durability and performance. The nitrile material and precise dimensions ensure reliable sealing in demanding automotive applications. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in product quality.