National 710436 Engine Camshaft Seal

Overview of National 710436 Engine Camshaft Seal

The National 710436 engine camshaft seal is designed to provide reliable sealing performance for select Lexus and Toyota vehicles. Engineered with polyacrylate material and a clockwise-spiral lip design, this oil seal helps maintain engine integrity by preventing oil leaks around the camshaft.

• Material: Durable polyacrylate for effective sealing
• Inside Diameter: 1.594 inches (40.5 mm)
• Outside Diameter: 2.075 inches (52.7 mm)
• Thickness: 0.236 inches (6.0 mm)
• Clockwise-spiral lip design for enhanced sealing
• Compatible housing bore: 2.067 inches (52.5 mm)
• Fits Lexus GS300, IS300, SC300 and Toyota Supra models

Technical Details and Specifications

The National 710436 camshaft seal is part of the 710400 series and is constructed from polyacrylate, a material known for its resistance to heat and oil degradation. The seal features a 1.594-inch inside diameter to fit the camshaft shaft precisely, while the 2.075-inch outside diameter ensures a secure fit within the housing bore of 2.067 inches. Its 0.236-inch thickness provides a compact profile that maintains engine space efficiency. The clockwise-spiral lip design improves sealing by directing oil back into the engine, reducing the risk of leaks and contamination.

Compatible Vehicles and Applications

This camshaft seal is specifically compatible with the following vehicle makes and models:

• Lexus GS300
• Lexus IS300
• Lexus SC300
• Toyota Supra

Using the National 710436 seal ensures proper fitment and performance in these vehicles, supporting engine longevity and reliability.

Common Issues Addressed by the Camshaft Seal

• Prevents oil leaks around the camshaft area
• Reduces engine oil contamination and loss
• Maintains proper oil pressure within the engine
• Prevents dirt and debris ingress into the engine
• Helps avoid premature engine wear due to oil leakage

Installation Notes and Tips

When installing the National 710436 camshaft seal, ensure the housing bore and shaft are clean and free of debris. Lubricate the seal lip lightly with engine oil to facilitate smooth installation and prevent damage. Use appropriate tools to press the seal evenly into the housing bore without distortion. Verify the seal orientation matches the clockwise-spiral lip design to optimize sealing performance.

Quality Assurance and Warranty

National manufactures the 710436 camshaft seal to meet industry standards for durability and performance. The polyacrylate material and precision dimensions contribute to consistent sealing under normal operating conditions. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring confidence in product reliability.