National 711114 Transfer Case Intermediate Shaft Seal

Transfer Case Seal Overview

National 711114 is a transfer case intermediate shaft seal built for specific full-time 4WD applications. It uses a bi-directional lip design and fluoro-elastomer material to help maintain sealing performance in demanding driveline conditions.

This seal is listed for a range of GM crossovers and SUVs, including Buick Enclave, Chevrolet Equinox, and GMC Acadia applications with the specified Getrag transfer cases. The 711114 part number is also referenced by interchange numbers 4819250 and 19206322 for the same application.

Key Features

• Bi-directional lip design for consistent sealing action.
• Fluoro-elastomer construction for resistance to heat and fluid exposure.
• Metric dimensions for accurate transfer case fitment.
• Engineered as an oil seal for transfer case sealing service.
• Part of National Series 711100 sealing components.

Detailed Description

National 711114 is a transfer case intermediate shaft seal designed around precise bore, shaft, and width dimensions for service in compatible GM driveline layouts. The seal measures 41.150 mm housing bore, 41.250 mm outside diameter, and 32.000 mm shaft size, with an overall width of 18.300 mm. Its fluoro-elastomer material and bi-directional lip profile support sealing stability in transfer case applications where fluid control is critical. This part number, 711114, is used across multiple Buick, Chevrolet, GMC, Saturn, and Pontiac models with the specified Getrag transfer cases.

What It Is Used For

• Replacing a worn transfer case intermediate shaft seal.
• Addressing fluid seepage at the transfer case shaft area.
• Restoring sealing performance in full-time 4WD driveline service.
• Correcting leaks caused by age, heat, or seal wear.
• Supporting proper fluid retention inside the transfer case.

Installation Notes and Tips

Verify transfer case type, drivetrain configuration, and shaft dimensions before installation. This seal is listed for vehicles with Getrag 760 or Getrag 790 transfer cases and full-time 4WD, so matching the application details is essential. Clean the sealing surface thoroughly and inspect the shaft for wear or damage before installing the new seal.

Quality Assurance

National has supplied sealing solutions for more than 75 years and is known for engineering focused on modern vehicle service needs. The 711114 seal reflects that sealing-focused product development for transfer case repair.