SKF 21043 Wheel Seal - Front
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SKF

SKF 21043 Wheel Seal - Front

Brand SKF 21043
Position Front
Width 0.512
Outside Diameter 2.563
Sealing Surface Type Nitrile
Shaft Diameter 2.126
Fits Nissan · 8 vehicles

Nitrile sealing surface. Built for dependable sealing performance in driveline service.

Application-specific dimensions. Sized to match the required width, outside diameter, and shaft diameter.

SKF engineering heritage. Backed by a long history of seal development and manufacturing.

Cross-references 40232B9500 for the same application. See all 1.

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Wheel Seal Overview

SKF wheel seal part number 21043 is a driveline sealing component built for specific front-wheel applications. It is engineered to keep lubricant contained while helping block road contaminants, with dimensions and sealing material selected for the application.

Key Features

  • Nitrile sealing surface for dependable sealing performance.
  • Designed to specific dimensions: 0.512 width, 2.563 outside diameter, and 2.126 shaft diameter.
  • SKF sealing design and manufacturing focus on long service life and safety.
  • Fits 1978-1979 Nissan 620, front.
  • Fits 1980-1985 Nissan 720, front.

Detailed Description

SKF 21043 is a wheel seal for front axle service on select Nissan trucks. The seal uses nitrile at the sealing surface and is built to match the required dimensions for the application, helping maintain proper lubricant retention and contamination control in the hub or axle assembly. If you are replacing a worn seal on a Nissan 620 or Nissan 720, this part number 21043 provides a direct-fit sealing solution for the listed front positions.

SKF has a long history in seal engineering, and this part reflects that experience with application-specific design and premium material selection. This wheel seal is intended for use where correct sealing geometry and material compatibility are important to driveline reliability.

What It Is Used For

  • Oil or grease leakage at the wheel end.
  • Contamination entering the hub or axle area.
  • Seal wear from age, heat, or mileage.
  • Loss of sealing performance after service or disassembly.

Installation Notes and Tips

Verify shaft diameter, outside diameter, and width before installation. Inspect the sealing surface and surrounding components for wear, scoring, or damage that could affect seal life. Clean the bore and mating surfaces thoroughly, and install the seal squarely to avoid distortion. Confirm fitment for the exact Nissan 620 or Nissan 720 application before assembly.

Quality Assurance

SKF designs and manufactures sealing products to strict quality standards, with a long record of seal development and application-specific engineering. Part number 21043 is built for the listed fitments and sealing requirements.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
1985Nissan720RWDFront—
1984Nissan720RWDFront—
1983Nissan720RWDFront—
1982Nissan720RWDFront—
1981Nissan720RWDFront—
1980Nissan720RWDFront—
1979Nissan620RWDFront—
1978Nissan620RWDFront—
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
40232B9500