National 710566 Drive Axle Shaft Seal - Front Left or Front Right

Overview of National 710566 Drive Axle Shaft Seal

The National 710566 drive axle shaft seal is engineered for reliable sealing performance in Dodge Ram 2500 and Ram 3500 models. Constructed from durable nitrile material, this oil seal is designed to maintain axle integrity and prevent fluid leaks under demanding conditions.

• Material: High-quality nitrile for resistance to oil and wear
• Inside Diameter: 1.470 inches (37.340 mm)
• Outside Diameter: 2.920 inches (74.170 mm)
• Thickness: 0.383 inches (9.728 mm)
• Overall Width with Side Lip: 1.688 inches (42.880 mm)
• Housing Bore Diameter: 2.913 inches (74.000 mm)
• Part Number: 710566, Series 710500

Detailed Product Description

This National drive axle shaft seal (part number 710566) is specifically designed to fit Dodge Ram 2500 and Ram 3500 trucks, ensuring a precise fit and effective sealing. The seal’s nitrile construction offers excellent resistance to oil, grease, and other automotive fluids, which helps maintain axle lubrication and prevents contamination. With an inside diameter of 1.470 inches and an outside diameter of 2.920 inches, this seal fits securely within the axle housing bore of approximately 2.913 inches. The thickness of 0.383 inches and an overall width including the side lip of 1.688 inches provide a robust barrier against leaks and debris intrusion.

Applications and Problem Solving

• Prevents oil leaks from the drive axle shaft area
• Protects axle bearings from dirt and moisture contamination
• Maintains proper lubrication within the axle assembly
• Reduces risk of premature axle wear and damage
• Ensures consistent performance in Dodge Ram 2500 and Ram 3500 driveline systems

Installation Notes and Tips

When installing the National 710566 drive axle shaft seal, ensure the axle shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore to avoid damage. Verify the seal’s orientation matches the original part to maintain proper sealing function. Lubricate the seal lip lightly with clean axle oil before installation to reduce initial wear.

Quality Assurance and Warranty

National manufactures this drive axle shaft seal to meet OEM specifications for fit and function. The nitrile material and precise dimensions ensure durability and reliable sealing performance. While specific warranty details are not provided, National products typically adhere to industry standards for quality and reliability.