National 223840 Wheel Seal - Front, Rear, Rear Inner or Rear Outer

National 223840 Wheel Seal Overview

The National 223840 wheel seal is engineered to provide reliable sealing performance for driveline and axle applications. Designed with durable nitrile material and precise dimensions, this oil seal is compatible with various Kia, Lexus, and Toyota models, including the 4Runner, Camry, and Tacoma.

• Inside diameter: 1.496 inches (38.000 mm)
• Outside diameter: 2.288 inches (58.110 mm)
• Thickness/width: 0.315 inches (8.000 mm)
• Sealing material: Nitrile for resistance to oil and wear
• Redicoat coating for enhanced corrosion protection
• Series: 220000, Type: 47

Detailed Product Description

This National 223840 wheel seal is constructed from high-quality nitrile, a material known for its excellent resistance to oil, heat, and abrasion. The seal features an inside diameter of 1.496 inches (38 mm) and an outside diameter of 2.288 inches (58.11 mm), with a thickness of 0.315 inches (8 mm), ensuring a precise fit within the housing bore of 2.283 inches (58 mm). The Redicoat treatment adds an extra layer of corrosion resistance, extending the service life of the seal in demanding environments. This oil seal is part of National's 220000 series, designed specifically for driveline and axle sealing applications where durability and reliability are critical.

Compatible Vehicles and Applications

This wheel seal is compatible with a range of Kia, Lexus, and Toyota vehicles, including but not limited to:

• Kia Sorento, Pickup, Van
• Lexus IS300, SC300
• Toyota 4Runner, Camry, Celica, Corolla, Corona, Cressida, Previa, Supra, T100, Tacoma

It is ideal for use in driveline and axle assemblies where maintaining oil containment and preventing contamination are essential.

Common Issues Addressed by National 223840 Wheel Seal

• Prevents oil leaks from axle and driveline components
• Protects bearings and shafts from dirt and moisture ingress
• Reduces wear caused by contamination and lubricant loss
• Maintains proper lubrication for extended component life
• Helps avoid costly driveline repairs due to seal failure

Installation Notes and Tips

• Ensure the housing bore and shaft are clean and free of debris before installation
• Use appropriate tools to avoid damaging the seal during installation
• Verify the seal orientation matches the original part for proper sealing
• Lubricate the sealing lip with compatible oil prior to installation
• Check for proper fitment on the shaft diameter of 1.496 inches (38 mm)

Quality Assurance and Warranty

National wheel seals are manufactured to meet strict industry standards for durability and performance. The 223840 part undergoes rigorous quality control to ensure dimensional accuracy and material integrity. This product includes a limited warranty against manufacturing defects, providing confidence in its reliability for Kia, Lexus, and Toyota driveline applications.