National 1994 Wheel Seal - Rear Outer

National 1994 Wheel Seal for Rear Outer Applications

National 1994 is a metric wheel seal built for rear outer service on select Mazda, Isuzu, and Ford applications. It uses nitrile sealing material and precise dimensional sizing to support a proper seal at the shaft and housing bore.

With a 1.890 in. (48.000 mm) inside diameter, 2.767 in. (70.280 mm) outside diameter, and 0.394 in. (10.000 mm) width, this seal is specified for accurate fitment in the wheel-end sealing system. National 1994 is a direct replacement option for vehicles such as Mazda B2000, Mazda B2200, Mazda B2600, Isuzu Pickup, Isuzu Trooper, and Ford Courier rear outer positions.

Key Features

• National part number 1994 wheel seal
• Nitrile material for sealing performance in wheel-end service
• Metric dimensions for accurate housing and shaft fit
• 1.890 in. shaft diameter and 2.756 in. housing bore specification
• 2.767 in. outside diameter and 0.394 in. width
• Rear outer position coverage for select Mazda, Isuzu, and Ford models

Detailed Description

National 1994 is an oil seal listed in the wheel seal category and engineered around metric dimensions for controlled sealing at the hub area. The seal’s 48.000 mm shaft size, 70.000 mm housing bore, and 70.280 mm outside diameter help support a consistent fit where wheel-end lubrication retention and contamination control are critical. This part cross-references Beck/Arnley 052-1179 and Gates 18873 for the same application.

National has supplied sealing solutions for decades and continues to focus on dimensional accuracy and modern vehicle requirements. For buyers searching for a rear outer wheel seal for Mazda B2000, Mazda B2200, Mazda B2600, Isuzu Pickup, Isuzu Trooper, or Ford Courier, National 1994 provides a direct-fit replacement reference by size and application.

What This Part Helps Address

• Wheel-end grease or oil leakage at the seal area
• Contamination entering the hub from road debris and moisture
• Wear-related sealing loss at the rear outer wheel position
• Noisy or rough wheel-end operation caused by seal failure
• Incorrect replacement sizing when matching metric seal dimensions

Installation Notes and Tips

Verify the shaft diameter, housing bore, outside diameter, and width before installation. Clean the hub and sealing surfaces thoroughly, and inspect the bearing and spindle area for wear, scoring, or corrosion that could affect seal life. Confirm rear outer placement and vehicle-specific fitment before ordering, especially on 1987 Isuzu Trooper models noted for service through 06/30/1987.

Compatible With 1987-1993 Mazda B2200, rear outer; 1982-1984 Mazda B2200, rear outer; 1987-1993 Mazda B2600, rear outer; 1981-1987 Isuzu Pickup, rear outer; 1987 Isuzu Trooper, rear outer; 1986-1987 Mazda B2000, rear outer; 1979-1984 Mazda B2000, rear outer; 1984-1986 Isuzu Trooper, rear outer; 1972-1982 Ford Courier, rear outer.

Quality Assurance

National is recognized for premium sealing solutions and long-standing engineering support in the aftermarket. Part number 1994 is built to meet the dimensional and material requirements listed for this application.