National 224650 Engine Crankshaft Seal - Front

Overview of National 224650 Engine Crankshaft Seal

The National 224650 engine crankshaft seal is designed to provide reliable sealing performance for various Nissan, Chevrolet, INFINITI, and Suzuki vehicles. 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: 2.294 inches (58.280 mm)
• Thickness/width: 0.276 inches (7.000 mm)
• Material: durable polyacrylate for enhanced oil resistance
• Helix type: clockwise-spiral lip design for effective sealing
• Housing bore size: 2.283 inches (58.000 mm)
• Compatible with multiple Nissan, Chevrolet, INFINITI, and Suzuki models

Technical Details and Specifications

The National 224650 crankshaft seal features a polyacrylate construction that offers excellent resistance to engine oils and high temperatures. Its 1.811-inch inside diameter and 2.294-inch outside diameter ensure a precise fit on shafts and housings specified for this size. The 7 mm thickness provides durability and stability during engine operation. The clockwise-spiral lip design enhances sealing efficiency by directing oil back into the engine, reducing leakage risks. This seal is part of National's 220000 series, known for consistent quality in gaskets and sealing systems.

Compatible Vehicles and Applications

This engine crankshaft seal is compatible with a range of vehicles, including Nissan models such as the 200SX, 240SX, Altima, Frontier, Pathfinder, Rogue, Sentra, and Xterra. It also fits INFINITI models like the FX45, FX50, G20, Juke, M45, M56, Q45, Q70, Q70L, QX50, QX56, QX60, QX70, and QX80. Chevrolet and Suzuki models such as the Armada, City Express, Cube, D21, Equator, NV200, NV2500, NV3500, NV, Pickup, TITAN, and TITAN XD are also supported. The National 224650 seal is designed to meet the specific sealing requirements of these vehicles' crankshafts.

Common Issues Addressed by the National 224650 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 by retaining lubrication
• Helps avoid costly engine repairs due to oil loss

Installation Notes and Tips

When installing the National 224650 crankshaft seal, ensure the shaft and housing bore 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 clockwise-spiral lip design for optimal performance. Lubricate the seal lip lightly with engine oil before installation to reduce initial wear. Follow vehicle-specific service manual instructions for torque specifications and installation procedures.

Quality Assurance and Warranty

National manufactures the 224650 crankshaft seal to meet industry standards for durability and performance. The polyacrylate material and precision engineering contribute to long service life under normal operating conditions. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects. Always consult the product documentation or authorized sources for warranty terms.