National 710584 Wheel Seal - Front or Front Inner

National 710584 Wheel Seal for Ford Super Duty

National 710584 is a wheel seal built for front and front inner applications on select Ford Super Duty trucks. It uses nitrile sealing material and precise dimensional sizing to help maintain a secure seal at the wheel end.

Key Features

• Wheel seal / oil seal for driveline and axle sealing applications
• Nitrile construction for sealing performance in demanding service conditions
• Inside diameter: 2.425 in. / 61.600 mm
• Outside diameter: 3.435 in. / 87.250 mm
• Flanged outside diameter: 3.898 in. / 99.000 mm
• Housing bore: 3.425 in. / 87.000 mm
• Width: 0.276 in. / 7.000 mm
• Overall width with side lip: 0.512 in. / 13.000 mm
• Series 710500, Type 74

Detailed Description

National 710584 is engineered as a replacement wheel seal for Ford F-250 Super Duty and Ford F-350 Super Duty front axle applications. It also cross-references Four Seasons 24245 for the same application. The seal dimensions are specified in both inch and metric units, including a 2.425-inch shaft diameter, 3.435-inch outside diameter, and 3.425-inch housing bore, which helps support proper fitment in the intended wheel-end location. National has supplied sealing solutions for more than 75 years, and this part reflects that focus on dimensional accuracy and modern vehicle requirements.

Vehicle Fitment

• Fits 2020-2022 Ford F-250 Super Duty, Front
• Fits 2021-2022 Ford F-350 Super Duty, Front
• Fits 2008-2019 Ford F-250 Super Duty, Front Inner
• Fits 2008-2019 Ford F-350 Super Duty, Front Inner

Common Uses

• Replacing a worn or leaking front wheel seal on a Ford F-250 Super Duty
• Replacing a front inner seal on a Ford F-350 Super Duty
• Addressing grease or lubricant seepage at the wheel end
• Restoring sealing performance after contamination or age-related wear
• Supporting proper axle-end sealing during brake or hub service

Installation Notes

Verify shaft, housing bore, and width dimensions before installation. Clean the sealing surface and inspect the hub, spindle, and related components for wear or scoring that could affect seal life. Confirm the seal orientation matches the original part and the vehicle position listed in the fitment data. For Ford F-250 Super Duty and Ford F-350 Super Duty front applications, match the seal to the exact front or front inner location shown above.

Quality Assurance

National designs sealing products for current vehicle requirements and backs its reputation with decades of sealing-system experience. Part number 710584 is built to the listed specifications for the intended Ford Super Duty applications.