SKF 21252A Transfer Case Input Shaft Seal

SKF Transfer Case Input Shaft Seal 21252A

SKF 21252A is a transfer case input shaft seal built for vehicles that need reliable sealing at the transfer case input shaft. It is specified with an HMSA7 seal type, a 2.146 shaft diameter, and a 0.315 width for the listed applications.

Use this seal when servicing Hyundai Santa Fe, Hyundai Tucson, Hyundai Veracruz, Kia Sorento, or Kia Sportage transfer cases that call for SKF 21252A.

Key Features

• Transfer case input shaft seal for sealing the input shaft area
• HMSA7 seal type
• 2.146 shaft diameter
• 0.315 width
• SKF engineered sealing design for drivetrain service applications
• Cross-reference: 4745239000

Detailed Description

SKF 21252A is a transfer case input shaft seal designed for the listed Hyundai and Kia applications, including 2001-2014 Hyundai Santa Fe, 2005-2014 Hyundai Tucson, 2007-2012 Hyundai Veracruz, 2011-2014 Kia Sorento, and 2005-2014 Kia Sportage. This seal is intended to retain lubricant at the transfer case input shaft while helping block dirt, moisture, and other contaminants from entering the assembly. SKF’s sealing expertise is reflected in the use of premium materials and application-specific design for dependable drivetrain sealing performance.

This part number, 21252A, is a direct fit reference for the specified vehicles and is suited to transfer case sealing service where the original seal has worn, hardened, or begun leaking.

Common Issues This Seal Addresses

• Transfer case fluid seepage at the input shaft
• Contamination entering the transfer case through a worn seal
• Wet housing or residue around the transfer case seal area
• Noise or driveline concerns related to low lubricant level from leakage
• Seal deterioration from age, heat, and drivetrain use

Installation Notes and Tips

Confirm the shaft diameter and seal dimensions before installation. Inspect the input shaft surface, seal bore, and surrounding housing for wear or damage, and clean the sealing area thoroughly before fitting the new seal. Proper alignment during installation helps prevent lip damage and premature leakage. Verify the application by year, make, and model before ordering, especially on Hyundai Santa Fe, Hyundai Tucson, and Kia Sportage vehicles.

Quality Assurance

SKF has a long history in seal design and manufacturing, with a focus on application-specific construction and quality-controlled production. Part number 21252A is built to SKF standards for long service life and dependable sealing performance in transfer case applications.