National 710828 Steering Knuckle Seal - Front

Overview of National 710828 Steering Knuckle Seal

The National 710828 steering knuckle seal is engineered for Ford F-150 and F-150 Heritage models, providing reliable sealing performance. Designed with durable nitrile material, this oil seal helps maintain proper lubrication and prevents contamination in the steering system.

• Flanged outside diameter: 3.875 inches (98.42 mm)
• Housing bore diameter: 3.685 inches (93.6 mm)
• Outside diameter: 3.693 inches (93.8 mm)
• Overall width with side lip: 0.650 inches (16.51 mm)
• Shaft diameter: 2.992 inches (76 mm)
• Width: 0.343 inches (8.7 mm)
• Material: Nitrile for resistance to oil and wear
• Part number: 710828, part of the 710800 series

Detailed Product Description

This National steering knuckle seal (part number 710828) is specifically designed to fit Ford F-150 and F-150 Heritage trucks. Constructed from nitrile, the seal offers excellent resistance to oil, grease, and other automotive fluids, ensuring long-lasting durability. The precise dimensions, including a flanged outside diameter of 3.875 inches and a housing bore of 3.685 inches, allow for a secure fit within the steering knuckle assembly. The overall width with side lip of 0.650 inches helps maintain a tight seal to prevent leaks and contamination.

Common Applications and Problem Solving

• Prevents oil leaks in the steering knuckle area
• Protects steering components from dirt and debris ingress
• Maintains proper lubrication of the steering shaft
• Reduces premature wear of steering system parts
• Helps avoid steering performance issues caused by seal failure

Installation Notes and Tips

When installing the National 710828 steering knuckle seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the nitrile material. Verify the seal orientation matches the original part to maintain proper sealing function. Lubricate the seal lip lightly with compatible grease or oil before installation to reduce initial wear.

Quality Assurance and Warranty

National steering seals, including part number 710828, are manufactured to meet OEM specifications for Ford F-150 and F-150 Heritage models. The nitrile material and precise dimensions ensure consistent performance and durability. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in product reliability.