National 224660 Engine Crankshaft Seal - Front

Overview of National Engine Crankshaft Seal 224660

The National 224660 engine crankshaft seal is designed to provide reliable sealing performance for various vehicle models including Acura MDX, Jeep Cherokee, and Land Rover Discovery Sport. Engineered with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.

• Inside diameter: 1.811 inches (46.000 mm)
• Outside diameter: 2.373 inches (60.280 mm)
• Thickness: 0.276 inches (7.000 mm)
• Sealing material: Durable silicone
• Clockwise-spiral lip design for enhanced sealing
• Compatible with housing bore size of 2.362 inches (60.000 mm)

Technical Details and Material Specifications

This National crankshaft seal (part number 224660) features a silicone sealing material known for its resistance to heat and oil degradation. The clockwise-spiral lip design improves sealing efficiency by maintaining consistent contact with the crankshaft, reducing the risk of leaks. With an inside diameter of 1.811 inches and an outside diameter of 2.373 inches, this seal fits shafts and housings precisely, ensuring optimal engine performance. The 7 mm thickness provides durability and long-lasting service life under demanding engine conditions.

Compatible Vehicles and Applications

This engine crankshaft seal is compatible with a range of vehicles, including Acura MDX, Jeep Cherokee, Land Rover Discovery Sport, Chrysler Pacifica, and Fiat 500X. It is suitable for models such as the Ram ProMaster City, Jaguar E-Pace, and Honda Pilot, making it a versatile choice for engine maintenance and repair.

Common Issues Addressed by National 224660 Seal

• Prevents oil leaks around the crankshaft area
• Reduces engine contamination from external debris
• Maintains proper oil pressure within the engine
• Minimizes wear on crankshaft bearings
• Helps avoid costly engine repairs due to seal failure

Installation Notes and Tips

Ensure the housing bore and crankshaft surfaces are clean and free of debris before installation. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the clockwise-spiral lip design for proper function. It is recommended to inspect the crankshaft for wear or damage prior to installing the new seal to ensure a secure fit.

Quality Assurance and Warranty

National engine crankshaft seals are manufactured to meet strict industry standards for durability and performance. The silicone material and precision design contribute to reliable sealing under various operating conditions. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in product quality.