Keep transfer case lubricant in and road grime out with the SKF transfer case output shaft seal, part number 21241. It is a direct-fit replacement for the listed applications, including the 1999-2016 Ford F-250 Super Duty, 1999-2016 Ford F-350 Super Duty, 2000-2005 Ford Excursion, 2003-2010 Dodge Ram 2500 and 2011-2012 Ram 2500. See the "Vehicles it fits" section for the full vehicle list and engine details.
This seal stays stationary where the output shaft leaves the transfer case, and its lip rides against the rotating shaft to hold lubricant inside. The catalog lists it for both the front and rear output positions, depending on the application.
- Dirt and water protection: Designed to help guard the sealing area against dirt and water.
- Rigid metal case: The body is formed from deep drawn sheet steel, creating a rigid, stress-resistant metal case.
- Garter spring: Made from cold drawn steel wire to support fluid retention.
- Tested for correct fit: Built with a high-quality, tested design and materials.
SKF invented the first integrated shaft seal in 1928 and has kept developing new seal designs and bonding techniques since then. Each SKF seal follows a specific design and uses premium materials selected for the application and the environment it works in.
Signs this seal may need replacing include fluid seeping at the transfer case output, wet residue around the output area, or a falling transfer case fluid level. If a worn output shaft seal is the source of the leak, this part replaces it. Diagnose the leak before you replace any parts.
Interchange: 710653 · NV24288 · 5086343AA · 4133114100 · 7C3Z7B215B · F81Z7B215BA · 27SS3114 · 24288
This part cross-references / interchanges with the following part numbers:
710653, NV24288, 5086343AA, 4133114100, 7C3Z7B215B, F81Z7B215BA, 21241, 27SS3114, 24288
Frequently Asked Questions
What does a transfer case output shaft seal do?
It seals the point where the output shaft exits the transfer case. Its lip rides on the rotating shaft to hold lubricant inside and helps keep dirt and water out.
What are signs this seal may need replacing?
Signs include fluid seeping at the transfer case output, wet residue near the output, or a low fluid level. Diagnose the leak source before replacing the seal.
Which vehicles does SKF 21241 fit?
Listed applications include the 1999-2016 Ford F-250 Super Duty, 1999-2016 Ford F-350 Super Duty, 2000-2005 Ford Excursion and 2003-2010 Dodge Ram 2500. See the "Vehicles it fits" section for the full list.
How is the SKF 21241 seal constructed?
The body uses deep drawn sheet steel for a rigid, stress-resistant metal case. The garter spring is made from cold drawn steel wire for fluid retention.
What part numbers does SKF 21241 interchange with?
It interchanges with 710653, NV24288, 5086343AA, 4133114100, 7C3Z7B215B, F81Z7B215BA, 27SS3114 and 24288.
