National 710837 Engine Crankshaft Seal - Front

Overview of National 710837 Engine Crankshaft Seal

The National 710837 engine crankshaft seal is designed to provide reliable sealing performance for various Ford, Lincoln, Mazda, and Mercury vehicles. Engineered with a fluoro-elastomer material and a clockwise-spiral lip design, this oil seal ensures effective protection against oil leaks and contaminants.

• Inside diameter: 1.874 inches (47.600 mm)
• Outside diameter: 2.504 inches (63.600 mm)
• Thickness: 0.339 inches (8.600 mm)
• Overall width with side lip: 0.512 inches (13.000 mm)
• Helix type: Clockwise-spiral lip design for enhanced sealing
• Material: Durable fluoro-elastomer for heat and chemical resistance
• Housing bore: 2.496 inches (63.400 mm)

Technical Details and Specifications

The National 710837 crankshaft seal belongs to the 710800 series and 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 helps maintain a tight seal around the crankshaft, reducing the risk of oil leakage. With precise dimensions including a 1.874-inch inside diameter and a 2.504-inch outside diameter, this seal fits securely within the housing bore of 2.496 inches, ensuring compatibility with specified vehicle models.

Compatible Vehicles and Applications

This engine crankshaft seal is compatible with a range of Ford, Lincoln, Mazda, and Mercury models, including but not limited to the Ford F-150, Explorer, Mustang, and E-350 Econoline, as well as the Lincoln Navigator and Mazda CX-9. The part number 710837 is specifically designed to meet the sealing requirements of these vehicles, providing a reliable replacement option for maintaining engine integrity.

Common Issues Addressed by the National 710837 Seal

• Prevents oil leaks around the crankshaft area
• Protects engine components from dirt and contaminants
• Reduces risk of engine damage due to oil loss
• Maintains proper oil pressure within the engine
• Helps avoid costly repairs related to seal failure

Installation Notes and Tips

When installing the National 710837 crankshaft seal, ensure the sealing surface and housing bore are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the seal orientation matches the clockwise-spiral lip design for optimal performance. It is recommended to inspect the crankshaft for wear or damage before installation to ensure a proper fit and long-lasting seal.

Quality Assurance and Warranty Information

National manufactures the 710837 crankshaft seal to meet industry standards for durability and performance. The fluoro-elastomer material and precise engineering contribute to a dependable sealing solution. While specific warranty details may vary, National typically offers coverage against manufacturing defects, providing confidence in the product's quality and reliability.