National 710899 Engine Camshaft Seal - Rear

Overview of National 710899 Engine Camshaft Seal

The National 710899 engine camshaft seal is designed to provide reliable sealing performance for select Ford, Mazda, and Mercury vehicles. Engineered with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the camshaft.

• Inside diameter: 1.969 inches (50.000 mm)
• Outside diameter: 2.370 inches (60.200 mm)
• Thickness: 0.276 inches (7.000 mm)
• Material: Durable fluoro-elastomer for heat and chemical resistance
• Helix type: Clockwise-spiral lip design for effective sealing
• Housing bore diameter: 2.362 inches (60.000 mm)
• Compatible with Ford, Mazda, and Mercury models including Contour, Cougar, Escape, Escort, Focus, Mystique, Tracer, and Tribute

Technical Details and Material Specifications

The National 710899 camshaft seal is constructed from fluoro-elastomer, a material known for its resistance to high temperatures and automotive fluids. The seal features a clockwise-spiral lip design that enhances sealing efficiency by directing oil back into the engine, reducing leakage. With an inside diameter of 1.969 inches and an outside diameter of 2.370 inches, this seal fits precisely within a 2.362-inch housing bore, ensuring a secure fit on camshafts with a 1.969-inch shaft diameter. The 0.276-inch thickness provides durability without compromising flexibility.

Compatible Vehicles and Applications

This engine camshaft seal is compatible with various Ford, Mazda, and Mercury vehicles, including the Ford Contour, Cougar, Escape, Escort, Focus, as well as the Mazda Mystique, Tracer, and Tribute models. The part number 710899 is specifically designed to meet the sealing requirements of these vehicles, making it a suitable replacement for maintaining engine performance and preventing oil leaks.

Common Issues Addressed by the National 710899 Seal

• Prevents oil leaks around the camshaft area
• Reduces engine oil contamination and loss
• Minimizes risk of engine damage due to oil leakage
• Maintains proper engine lubrication pressure
• Helps avoid costly repairs related to seal failure

Installation Notes and Tips

When installing the National 710899 camshaft seal, ensure the housing bore and shaft are clean and free of debris. Lubricate the seal lip lightly with engine oil to facilitate smooth installation and prevent damage. Use appropriate tools to press the seal evenly into the housing bore without distortion. Verify the seal orientation matches the clockwise-spiral lip design for optimal sealing performance.

Quality Assurance and Warranty Information

National engine camshaft seals are manufactured to meet industry standards for durability and performance. The 710899 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 provide confidence in product reliability.