National 710070 Wheel Seal - Front or Rear Outer

National 710070 Wheel Seal for Toyota and Nissan

National 710070 is a metric nitrile wheel seal built for driveline and axle sealing applications that demand accurate dimensions and reliable fluid control. With a 33.000 mm shaft size, 44.000 mm housing bore, and 7.000 mm width, it is sized for specific Toyota Pickup, Toyota 4Runner, and Nissan 720 rear outer or front axle positions listed below.

Key Features

• Nitrile sealing material for dependable resistance in axle and wheel seal service
• Metric dimensions: 33.000 mm inside diameter, 44.180 mm outside diameter, and 7.000 mm width
• Housing bore: 44.000 mm for precise fitment in the specified applications
• Type 47 seal design in the National 710000 series
• Direct-fit coverage for Toyota Pickup, Toyota 4Runner, and Nissan 720 applications

Detailed Description

National 710070 is an oil seal/wheel seal solution from National’s 710000 series, engineered around exact metric sizing for axle and wheel-end sealing. The nitrile sealing material is selected for sealing performance in driveline environments, while the 1.299 in. shaft diameter and 1.739 in. outside diameter support the listed Toyota and Nissan fitments. This part number is a practical choice when servicing a Toyota Pickup front axle, Toyota 4Runner front axle, or Nissan 720 rear outer position with dual rear wheels. National 710070 is also referenced by cross-number applications such as Beck/Arnley 052-3644 and Centric Parts 417.91009 for the same use case.

Vehicle Fitment

• Fits 1980-1986 Nissan 720, Rear Outer, With Dual Rear Wheels
• Fits 1984-1985 Toyota 4Runner, Front, with 7.8 (in) Ring Gear; with Toyota Axle
• Fits 1977-1985 Toyota Pickup, Front, with 7.8 (in) Ring Gear; with Toyota Axle

Common Issues This Seal Can Address

• Axle oil seepage at the wheel-end seal area
• Contamination entering the sealed hub or axle assembly
• Wear-related leakage from an aging nitrile seal
• Service replacement for a damaged or hardened wheel seal
• Fitment-specific sealing needs on Toyota Pickup, Toyota 4Runner, and Nissan 720 applications

Installation Notes and Tips

Verify shaft diameter, housing bore, and seal width before installation to confirm the National 710070 matches the axle assembly. Clean the bore and shaft sealing surface thoroughly, and inspect for scoring, corrosion, or wear that could affect sealing performance. Confirm the vehicle configuration exactly matches the listed Toyota Pickup, Toyota 4Runner, or Nissan 720 fitment notes before assembly.

Quality Assurance

National has supplied sealing products for more than 75 years and continues to develop sealing solutions for modern vehicle service needs. National 710070 reflects that experience with a metric, application-specific design for driveline and axle sealing service.