SKF 13900 Differential Pinion Seal - Rear

Reliable SKF Differential Pinion Seal for Accurate Fitment

The SKF 13900 differential pinion seal is engineered to provide a precise seal 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 1.375-inch shaft diameter.

• Width: 0.313 inches for compact and effective sealing
• Outside Diameter: 2.720 inches to match differential housing specifications
• Shaft Diameter: 1.375 inches for accurate fit on compatible axles
• Sealing Surface Type: Nitrile material for enhanced resistance to oil and contaminants
• Part Number: 13900 for easy identification and replacement

Technical Overview of SKF 13900 Differential Pinion Seal

This differential pinion seal from SKF is designed to maintain the integrity of the differential assembly by preventing oil leaks and contamination ingress. The nitrile sealing surface offers a balance of flexibility and toughness, suitable for high-temperature and high-pressure environments commonly found in automotive differentials. With a width of 0.313 inches and an outside diameter of 2.720 inches, the seal fits securely around a 1.375-inch shaft diameter, ensuring a tight and reliable seal.

Applications and Problem Solving

• Prevents differential oil leaks that can lead to drivetrain damage
• Protects internal components from dirt and debris contamination
• Maintains proper lubrication within the differential assembly
• Reduces wear on pinion shaft bearings by maintaining oil levels
• Helps avoid costly repairs due to seal failure in compatible vehicles

Installation Notes and Tips

When installing the SKF 13900 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 nitrile sealing surface. Verify the shaft diameter matches the 1.375-inch specification for optimal sealing performance. Avoid using excessive force during installation to prevent seal distortion.

Quality Assurance and Warranty

SKF manufactures the 13900 differential pinion seal to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details are not provided, SKF products are generally backed by the brand's commitment to reliability and engineering precision, making this seal a dependable choice for driveline maintenance.