National 710332 Engine Crankshaft Seal - Front

Overview of National Engine Crankshaft Seal 710332

The National 710332 engine crankshaft seal is designed for reliable sealing performance in Acura and Honda vehicles, including Civic, Civic del Sol, CRX, EL, and Integra models. Engineered with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.

• Inside diameter: 1.220 inches (31.000 mm)
• Outside diameter: 1.819 inches (46.200 mm)
• Thickness/width: 0.315 inches (8.000 mm)
• Material: Durable silicone for enhanced resistance
• Helix type: Counter-clockwise spiral lip design for effective sealing
• Housing bore size: 1.811 inches (46.000 mm)
• Part number: 710332, Series 710300

Technical Details and Material Specifications

This National crankshaft seal (part number 710332) features a silicone construction that offers excellent flexibility and temperature resistance, suitable for demanding engine environments. The counter-clockwise spiral lip design improves sealing efficiency by directing oil back into the engine, reducing leakage risks. With an inside diameter of 1.220 inches and an outside diameter of 1.819 inches, it fits precisely within the housing bore of 1.811 inches, ensuring a secure fit on the crankshaft of compatible Acura and Honda models.

Compatible Vehicles and Applications

This engine crankshaft seal is compatible with a range of Acura and Honda vehicles, specifically designed for the Civic, Civic del Sol, CRX, EL, and Integra models. It is ideal for use in engine maintenance and repair tasks where the crankshaft seal requires replacement to maintain proper oil containment and engine performance.

• Prevents oil leaks around the crankshaft
• Reduces engine contamination from external debris
• Maintains engine oil pressure and efficiency
• Helps avoid premature engine wear due to oil loss
• Supports smooth engine operation by sealing rotating components

Installation Notes and Tips

When installing the National 710332 crankshaft seal, ensure the sealing surface and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the lip or seal body. Verify the orientation of the counter-clockwise spiral lip to maintain proper sealing direction. It is recommended to inspect the crankshaft for wear or damage before installation to ensure optimal seal performance.

Quality Assurance and Warranty

National engine seals are manufactured to meet industry standards for durability and performance. The 710332 crankshaft seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.