SKF 13988 Manual Transmission Seal - Front or Rear

Overview of the SKF 13988 Manual Transmission Seal

The SKF 13988 manual transmission seal is designed for precise fitment in select BMW and Chevrolet models, including the BMW 530i and Chevrolet Corvette. Engineered with a polyacrylate sealing surface, this seal ensures reliable performance in manual transmission applications.

• Width: 0.313 inches for optimal sealing depth
• Outside Diameter: 2.260 inches to match shaft housing dimensions
• Shaft Diameter: 1.399 inches for accurate shaft fit
• Sealing Surface Type: Polyacrylate for enhanced durability and resistance
• Compatible with BMW 530i and Chevrolet Corvette manual transmissions

Technical Details and Material Specifications

The SKF 13988 manual transmission seal features a polyacrylate sealing surface, which provides a balance of flexibility and chemical resistance suitable for transmission environments. The seal’s dimensions—0.313 inches in width, 2.260 inches outside diameter, and 1.399 inches shaft diameter—are engineered to maintain a tight seal around the transmission shaft, preventing fluid leaks and contamination. This precise sizing ensures compatibility with the manual transmissions found in BMW 530i and Chevrolet Corvette models, supporting consistent transmission performance.

Applications and Problem Solving

This manual transmission seal is used to maintain the integrity of the transmission system by preventing leaks and ingress of contaminants. It addresses several common issues:

• Prevents manual transmission fluid leaks
• Reduces risk of dirt and debris entering the transmission
• Minimizes wear on transmission shafts by maintaining lubrication
• Helps avoid transmission overheating caused by fluid loss
• Supports smooth gear operation by maintaining proper sealing pressure

Installation Notes and Tips

When installing the SKF 13988 manual transmission seal, ensure the shaft and housing surfaces are clean and free of debris. Use appropriate tools to avoid damaging the polyacrylate sealing surface during installation. Verify the seal is seated evenly to prevent leaks. It is recommended to inspect the transmission shaft for wear or damage before installation to ensure optimal sealing performance.

Quality Assurance and Warranty

SKF manufactures the 13988 manual transmission seal to meet industry standards for durability and performance. While specific warranty details may vary, SKF products typically come with a limited warranty against manufacturing defects. This seal is produced under strict quality control processes to ensure reliable operation in BMW 530i and Chevrolet Corvette manual transmissions.