SKF 19372 Transfer Case Input Shaft Seal

Overview of SKF Transfer Case Input Shaft Seal 19372

The SKF Transfer Case Input Shaft Seal 19372 is designed to provide reliable sealing performance for transfer cases in select GM vehicles. Engineered with precision, this seal helps maintain proper lubrication and prevents contaminants from entering the transfer case assembly.

• Width: 0.507 inches for optimal fit
• Outside Diameter: 2.698 inches ensuring secure installation
• Shaft Diameter: 1.938 inches compatible with specified transfer case shafts
• Sealing Surface Type: Nitrile material for effective resistance to oil and wear
• Compatible with Buick, Chevrolet, GMC, and Oldsmobile models

Technical Details and Material Specifications

This transfer case input shaft seal features a nitrile sealing surface, known for its durability and resistance to petroleum-based fluids. The precise dimensions—0.507 inch width, 2.698 inch outside diameter, and 1.938 inch shaft diameter—ensure a tight seal around the input shaft, reducing the risk of leaks. The nitrile compound is selected to withstand the operating conditions typical in transfer cases of vehicles such as the Chevrolet Trailblazer and GMC Envoy.

Compatible Vehicles and Applications

The SKF 19372 input shaft seal is compatible with transfer cases in several GM models, including Buick Bravada, Chevrolet Equinox, GMC Rainier, Oldsmobile, and multiple Envoy variants (Envoy, Envoy XL, Envoy XUV), as well as Trailblazer and Trailblazer EXT. This part is specifically designed to meet the sealing requirements of these vehicles’ transfer case input shafts.

Common Issues Addressed by the Transfer Case Input Shaft Seal

• Prevents transfer case fluid leaks that can lead to low lubrication levels
• Protects internal transfer case components from dirt and debris contamination
• Reduces wear on the input shaft by maintaining proper sealing
• Helps maintain transfer case pressure and performance
• Minimizes risk of transfer case damage due to seal failure

Installation Notes and Tips

When installing the SKF 19372 transfer case input shaft seal, ensure the shaft and housing surfaces are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the seal is seated evenly and flush with the housing to prevent leaks. Lubricate the sealing surface lightly with transfer case fluid before installation to facilitate proper fit and reduce initial wear.

Quality Assurance and Warranty

SKF manufactures the 19372 transfer case input shaft seal to meet industry standards for durability and performance. The nitrile sealing surface is tested for resistance to oil and wear under typical operating conditions. While specific warranty details may vary, SKF products generally come with a limited warranty against manufacturing defects, ensuring reliability for your Buick, Chevrolet, GMC, or Oldsmobile transfer case repair needs.