National 711181 Engine Oil Pump Seal

Overview of National 711181 Engine Oil Pump Seal

The National 711181 engine oil pump seal is designed to provide reliable sealing performance for various Acura, Honda, and Saturn models. Engineered with a fluoro-elastomer sealing material and a clockwise-spiral lip design, this oil seal ensures effective oil retention and protection against leaks.

• Inside diameter: 1.614 inches (41.000 mm)
• Outside diameter: 2.210 inches (56.130 mm)
• Thickness/width: 0.276 inches (7.000 mm)
• Helix type: Clockwise-spiral lip design for enhanced sealing
• Material: Durable fluoro-elastomer for heat and chemical resistance
• Housing bore compatibility: 2.205 inches (56.000 mm)
• Part number: 711181, part of the 711100 series

Technical Details and Material Specifications

The National 711181 oil pump seal features a fluoro-elastomer sealing material known for its resistance to high temperatures and automotive fluids, making it suitable for demanding engine environments. The seal’s clockwise-spiral lip design helps maintain a tight seal around the shaft, preventing oil leaks and contamination. With precise dimensions including a 1.614-inch inside diameter and a 2.210-inch outside diameter, this seal fits housing bores measuring approximately 2.205 inches, ensuring a secure and accurate fit.

Compatible Vehicles and Applications

This engine oil pump seal is compatible with a range of Acura, Honda, and Saturn vehicles, including but not limited to:

• Acura models: MDX, NSX, RL, RLX, TL, TLX, RDX, ZDX
• Honda models: Accord, Accord Crosstour, Crosstour, Odyssey, Pilot, Ridgeline, Passport, Legend, CL, TSX
• Saturn model: Vue

Using the National 711181 seal helps maintain proper oil pressure and prevents leaks in the engine oil pump assembly of these vehicles.

Common Issues Addressed by the National 711181 Seal

• Prevents oil leaks from the engine oil pump shaft
• Reduces risk of engine oil contamination
• Maintains consistent oil pressure for engine performance
• Protects against premature wear of engine components
• Helps avoid costly engine repairs due to oil loss

Installation Notes and Tips

Ensure the housing bore and shaft are clean and free of debris before installing the seal. Proper alignment during installation is critical to avoid damage to the seal lip. Use appropriate tools to press the seal evenly into the housing bore without distortion. Verify the seal’s orientation matches the clockwise-spiral lip design for optimal sealing performance.

Quality Assurance and Warranty

National engine oil pump seals are manufactured to meet industry standards for durability and performance. The fluoro-elastomer material provides resistance to heat and automotive fluids, contributing to long service life. While specific warranty details for part number 711181 are not provided, National products typically adhere to strict quality control processes to ensure reliability in compatible Acura, Honda, and Saturn vehicles.