HomeDriveline and Axles > Gaskets and Sealing SystemsSKF 15766 Differential Pinion Seal - Rear
Part #: 15766

SKF 15766 Differential Pinion Seal - Rear

Rear
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, 250, 250C, and 350SL
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Reliable SKF Differential Pinion Seal for Accurate Fitment

The SKF 15766 differential pinion seal is engineered to provide a precise sealing solution for driveline and axle assemblies. Designed with a nitrile sealing surface, this seal ensures durability and resistance to wear, making it suitable for various vehicle makes and models requiring a 1.563-inch shaft diameter.

  • Width: 0.500 inches for compact and effective sealing
  • Outside Diameter: 2.762 inches for accurate housing fit
  • Shaft Diameter: 1.563 inches to match specific axle shafts
  • Sealing Surface Type: Nitrile for enhanced resistance to oils and contaminants
  • Part Number: 15766 for precise identification and replacement

Technical Details of the SKF 15766 Differential Pinion Seal

This differential pinion seal from SKF is crafted to maintain the integrity of the axle assembly by preventing oil leaks and contamination ingress. The nitrile sealing surface offers a balance of flexibility and chemical resistance, suitable for typical automotive differential environments. With a width of 0.500 inches and an outside diameter of 2.762 inches, the seal fits securely within the differential housing, while the 1.563-inch shaft diameter ensures compatibility with specific pinion shafts commonly found in various vehicle models.

Applications and Problem Solving

  • Prevents oil leaks from the differential pinion shaft
  • Protects differential components from dirt and debris
  • Maintains proper lubrication within the axle assembly
  • Reduces wear on the pinion shaft and bearings
  • Helps avoid costly differential repairs due to seal failure

Installation Notes and Tips

When installing the SKF 15766 differential pinion seal, ensure the shaft and housing surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify the shaft diameter matches the 1.563-inch specification to avoid improper fitment. Lubricate the sealing surface lightly with gear oil before installation to reduce initial wear.

Quality Assurance and Warranty

SKF manufactures the 15766 differential pinion seal to meet stringent automotive standards, ensuring reliable performance in driveline applications. The nitrile material and precise dimensions contribute to long service life under normal operating conditions. While specific warranty details depend on the distributor, SKF products typically come with a limited warranty against manufacturing defects.

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This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.