SKF 39423 Wheel Seal - Rear

Reliable SKF Wheel Seal for Driveline and Axles

The SKF 39423 wheel seal is engineered to provide dependable sealing performance for driveline and axle applications. Designed with precision dimensions and a nitrile sealing surface, this wheel seal helps maintain optimal shaft protection and fluid retention.

• Width: 0.438 inches for precise fitment
• Outside Diameter: 5.506 inches ensuring proper housing compatibility
• Shaft Diameter: 3.938 inches for accurate shaft sealing
• Sealing Surface Type: Durable nitrile material for resistance to wear and contaminants
• Part Number: 39423 for easy identification and replacement

Detailed Description of SKF 39423 Wheel Seal

This SKF wheel seal is designed to fit specific driveline and axle assemblies requiring a 5.506-inch outside diameter and a 3.938-inch shaft diameter. The 0.438-inch width ensures a secure fit within the axle housing, while the nitrile sealing surface provides effective resistance against oil leaks, dirt, and moisture intrusion. The nitrile compound is selected for its balance of flexibility and durability, making it suitable for a range of operating temperatures and conditions commonly found in automotive applications.

Common Applications and Problem Solving

• Prevents axle oil leaks that can lead to driveline damage
• Protects shaft bearings from contamination and premature wear
• Maintains proper lubrication within wheel hubs
• Reduces risk of seal failure due to harsh environmental exposure
• Helps avoid costly repairs related to axle seal degradation

Installation Notes and Tips

When installing the SKF 39423 wheel seal, ensure the shaft and housing surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into the housing without damaging the sealing lip. Verify the seal orientation matches the original part to maintain proper sealing function. Lubricate the sealing surface lightly with compatible grease or oil before installation to reduce initial wear.

Quality Assurance and Warranty

SKF manufactures the 39423 wheel seal to meet stringent quality standards for automotive driveline components. While specific warranty details are not provided, SKF products typically undergo rigorous testing to ensure durability and performance in demanding conditions. Using genuine SKF parts helps maintain vehicle reliability and service life.