SKF 21257A Transfer Case Output Shaft Seal - Front or Rear

Transfer Case Output Shaft Seal for Jeep and Dodge

SKF 21257A is a transfer case output shaft seal built for front and rear applications on select Dodge and Jeep 4x4 platforms. It is designed with a LongLife sealing surface and premium materials to help maintain proper sealing at the transfer case output shaft.

Use SKF 21257A when servicing a leaking transfer case output shaft seal on vehicles such as the Dodge Durango, Jeep Grand Cherokee, Jeep Liberty, Jeep Commander, and Dodge Nitro. This seal is engineered to match the application dimensions and sealing requirements of the original part.

Key Features

• Transfer case output shaft seal for front or rear positions, depending on application
• LongLife sealing surface type for durable sealing performance
• Outside diameter: 2.961 in.
• Shaft diameter: 2.126 in.
• Width: 0.492 in.
• SKF part number 21257A for direct reference and ordering
• Cross-references Dorman - HELP 45356 and OE 05143715AA for the same application

Detailed Description

SKF 21257A is a transfer case output shaft seal made for select Jeep and Dodge transfer case service work. SKF has a long history in seal engineering, and this part reflects that experience with a design focused on correct fit, material selection, and sealing performance in demanding driveline environments. The seal dimensions are specified for the application, including a 2.961-inch outside diameter, 2.126-inch shaft diameter, and 0.492-inch width.

This part number is used on multiple 4x4 platforms, including 2011-2017 Dodge Durango, 2011-2017 Jeep Grand Cherokee, 2008-2012 Jeep Liberty, 2008-2011 Dodge Nitro, and 2005-2010 Jeep Commander and Grand Cherokee transfer case service applications. If you are replacing a leaking transfer case output shaft seal on a Jeep Grand Cherokee or Dodge Durango, SKF 21257A provides a direct-fit sealing solution for the listed positions.

Common Problems This Seal Can Address

• Transfer case fluid leaking at the output shaft
• Fluid seepage around the front or rear transfer case seal area
• Contamination entering the transfer case through a worn seal
• Low lubricant level caused by seal wear or hardening
• Noise or driveline concerns related to loss of transfer case fluid

Installation Notes and Tips

Confirm the transfer case type, position, and shaft dimensions before installation. Clean the sealing bore and shaft surface thoroughly, and inspect the shaft for grooves or wear that could affect seal life. Proper alignment during installation helps prevent damage to the sealing lip and supports a reliable seal on Jeep and Dodge transfer case repairs.

• Fits 2011-2017 Dodge Durango, Front, Durango w/ 2 Spd. Transfer Case
• Fits 2011-2017 Dodge Durango, Rear, Durango w/ 2 Spd. Transfer Case
• Fits 2011-2017 Jeep Grand Cherokee, Front, 2 Speed On Demand Transfer Case
• Fits 2011-2017 Jeep Grand Cherokee, Rear, 2 Speed On Demand Transfer Case
• Fits 2008-2012 Jeep Liberty, Front, MP3022 Selec-Trac Transfer Case
• Fits 2008-2012 Jeep Liberty, Front, MP1522 Command-Trac Transfer Case
• Fits 2008-2011 Dodge Nitro, Front, New Process 143
• Fits 2006-2010 Jeep Commander, Front, Fits Manual Transmission Differential Bearing for New Process 245 Transfer Case Output Shaft Seal
• Fits 2006-2010 Jeep Commander, Front, Compatible with New Process 140 Transfer Cases
• Fits 2008-2010 Jeep Grand Cherokee, Front, Grand Cherokee w/ New Process 146
• Fits 2005-2010 Jeep Grand Cherokee, Front, Fits Manual Transmission Differential Bearing for New Process 245 Transfer Case Output Shaft Seal
• Fits 2005-2010 Jeep Grand Cherokee, Front, Compatible with New Process 140 Transfer Cases
• Fits 2006-2008 Jeep Commander, Front
• Fits 2005-2008 Jeep Grand Cherokee, Front
• Fits 2007 Dodge Nitro, Front, Compatible with New Process 140 Transfer Cases

Quality Assurance

SKF manufactures seals to specific designs using premium materials and controlled production standards for long service life and dependable sealing performance. SKF 21257A is built for the listed Jeep and Dodge transfer case applications and is backed by SKF’s established seal engineering experience.