National 710803 Engine Camshaft Seal - Rear

Overview of National 710803 Engine Camshaft Seal

The National 710803 engine camshaft seal is engineered to provide reliable sealing performance for various Volvo models. Designed with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the camshaft.

• Inside diameter: 3.622 inches (92 mm)
• Outside diameter: 4.339 inches (110.2 mm)
• Thickness: 0.276 inches (7 mm)
• Material: Durable fluoro-elastomer for heat and chemical resistance
• Helix type: Counter-clockwise spiral lip design for enhanced sealing
• Compatible housing bore: 4.331 inches (110 mm)

Detailed Product Description

The National 710803 camshaft seal is constructed from fluoro-elastomer, a material known for its resistance to high temperatures and automotive fluids, ensuring long-lasting durability. Its counter-clockwise spiral lip design improves sealing efficiency by maintaining consistent contact with the camshaft, reducing the risk of oil leakage. With an inside diameter of 3.622 inches (92 mm) and an outside diameter of 4.339 inches (110.2 mm), this seal fits precisely within the housing bore of 4.331 inches (110 mm). The 0.276 inch (7 mm) thickness provides a robust barrier against contaminants while accommodating shaft movement.

Compatible Volvo Models and Applications

This engine camshaft seal is compatible with a range of Volvo vehicles, including the 850, C30, C70, S40, S60, S60 Cross Country, S70, S80, V50, V60, V60 Cross Country, V70, XC60, XC70, and XC90. The part number 710803 ensures you are selecting the correct seal for these specific models, helping maintain engine performance and reliability.

Common Issues Addressed by the National 710803 Seal

• Prevents oil leaks around the camshaft area
• Reduces engine oil contamination and loss
• Protects engine components from dirt and debris ingress
• Maintains proper oil pressure within the engine
• Helps avoid costly engine repairs due to seal failure

Installation Notes and Tips

When installing the National 710803 camshaft seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the seal orientation matches the counter-clockwise spiral lip design for optimal sealing performance. Proper lubrication of the seal lip before installation can help reduce initial wear and facilitate a secure fit.

Quality Assurance and Warranty

Manufactured by National, a recognized brand in engine sealing systems, the 710803 camshaft seal meets industry standards for durability and performance. The fluoro-elastomer material and precision design contribute to consistent sealing under demanding conditions. Warranty details should be confirmed with the original equipment provider or distributor.