National 710834 Engine Crankshaft Seal - Front

Overview of National Engine Crankshaft Seal 710834

The National 710834 engine crankshaft seal is designed to provide reliable sealing performance for select Acura and Honda vehicles. Engineered with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.

• Inside diameter: 1.496 inches (38.000 mm)
• Outside diameter: 1.976 inches (50.200 mm)
• Thickness: 0.276 inches (7.000 mm)
• Material: Durable fluoro-elastomer for heat and chemical resistance
• Helix type: Counter-clockwise spiral lip design for effective sealing
• Compatible with housing bore size: 1.969 inches (50.000 mm)

Technical Details and Specifications

This National engine crankshaft seal (part number 710834) features a fluoro-elastomer construction that withstands high temperatures and exposure to engine oils and chemicals. The seal’s counter-clockwise spiral lip design enhances its ability to maintain a tight seal around the crankshaft, reducing the risk of oil leakage. With an inside diameter of 1.496 inches and an outside diameter of 1.976 inches, it fits precisely into the housing bore of 1.969 inches, ensuring proper installation and function. The overall width with side lip measures 0.327 inches (8.300 mm), providing additional sealing surface area.

Compatible Vehicles and Applications

This crankshaft seal is compatible with various Acura and Honda models, including the Civic, CR-V, EL, and Integra. It is specifically designed to meet the sealing requirements of these vehicles’ engines, making it a suitable replacement part for maintenance or repair.

Common Issues Addressed by the National 710834 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 damage due to oil loss

Installation Notes and Tips

When installing the National 710834 crankshaft seal, ensure the housing bore and crankshaft surfaces 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 seal orientation matches the counter-clockwise spiral lip design for optimal sealing performance. It is recommended to inspect the crankshaft for wear or damage before installation to ensure a proper fit and long service life.

Quality Assurance and Warranty

National engine crankshaft seals are manufactured to meet industry standards for durability and performance. The fluoro-elastomer material provides resistance to heat and chemical exposure typical in engine environments. Part number 710834 is backed by National’s quality control processes, ensuring consistent fit and function for Acura and Honda Civic, CR-V, EL, and Integra models. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.