National 340151 Steering Gear Sector Shaft Seal

Overview of National Steering Gear Sector Shaft Seal 340151

The National 340151 steering gear sector shaft seal is engineered to provide reliable sealing performance for various Ford, Mercury, and Cadillac vehicles. Designed with durable nitrile material, this oil seal ensures effective protection against leaks and contaminants in the steering system.

• Inside diameter: 1.125 inches (28.580 mm)
• Outside diameter: 1.569 inches (39.850 mm)
• Thickness/width: 0.250 inches (6.350 mm)
• Sealing material: Nitrile for resistance to oil and wear
• Compatible housing bore: 1.561 inches (39.650 mm)

Technical Details and Specifications

The National 340151 steering gear sector shaft seal is part of the 340000 series and is constructed from nitrile, a material known for its oil resistance and durability in automotive sealing applications. The seal features a 1.125-inch shaft diameter and an outside diameter of 1.569 inches, fitting precisely into housings with a bore size of approximately 1.561 inches. Its 0.250-inch thickness provides a secure fit to prevent fluid leakage and protect the steering gear sector shaft from dirt and debris.

Compatible Vehicles and Applications

This steering gear sector shaft seal is compatible with a range of Ford, Mercury, and Cadillac models, including but not limited to the Ford Bronco, Mustang, F-100, F-150, F-250, F-350, Econoline series (E-100, E-150, E-250, E-350, including Club Wagon variants), Mercury Cougar, Capri, Monarch, Zephyr, and Cadillac Eldorado, Colony Park, and Marquis. It is designed specifically for steering systems requiring a 1.125-inch shaft seal to maintain proper function and prevent leaks.

Common Issues Addressed by the 340151 Seal

• Prevents oil leaks from the steering gear sector shaft
• Protects steering components from dirt and contaminants
• Reduces wear on the steering gear by maintaining lubrication
• Helps maintain steering system pressure and performance
• Minimizes risk of steering gear damage due to seal failure

Installation Notes and Tips

When installing the National 340151 steering gear sector shaft seal, ensure the housing bore and shaft 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 oil before installation to reduce initial wear.

Quality Assurance and Warranty

National manufactures the 340151 seal to meet industry standards for durability and performance in steering applications. The nitrile material offers resistance to oil and environmental factors commonly encountered in automotive use. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring reliability for your steering system maintenance.