National 710941 Automatic Transmission Extension Housing Seal

Automatic Transmission Extension Housing Seal for Ram and Dodge

National 710941 is an automatic transmission extension housing seal built for metric applications that require a precise shaft-to-housing seal. It uses a fluoro-elastomer sealing material and a bi-directional lip design to help maintain sealing performance in demanding drivetrain environments.

With OE-style dimensions and broad coverage across Ram, Dodge, Jeep, and Chrysler applications, this seal is a direct-fit service part for many Borg-Warner transfer case and Chrysler transmission setups. National 710941 is a practical choice when servicing leaks at the extension housing or related transmission sealing points.

Key Features

• Automatic transmission extension housing seal, National part number 710941
• Fluoro-elastomer material for durable sealing performance
• Bi-directional lip design for consistent sealing action
• Metric dimensions: 49.200 mm inside diameter, 68.400 mm outside diameter, 10.000 mm width
• Housing bore size: 68.200 mm
• Oil seal construction for transmission sealing applications
• Cross-references SKF 19714A for the same application

Detailed Description

National 710941 is engineered as an automatic transmission extension housing seal for vehicles that use a 49.200 mm shaft and a 68.200 mm housing bore. The fluoro-elastomer sealing material is selected for transmission service, while the bi-directional lip design supports sealing from either direction of rotation. This makes it a strong service option for Ram 1500, Ram 2500, Ram 3500, Dodge Dakota, Dodge Ram, Jeep Grand Cherokee, Jeep Liberty, Jeep Commander, Chrysler Aspen, and Dodge Durango applications listed below.

This part number, 710941, is also associated with multiple OE and aftermarket references, including Mopar and SKF cross-references, which helps when matching an existing seal during transmission or transfer case repair. National has focused on sealing solutions for decades, and this part reflects that experience in a metric oil seal format.

What It Helps Repair

• Transmission fluid leakage at the extension housing
• Wear-related seepage around the output shaft seal area
• Seal deterioration from age, heat, and fluid exposure
• Service issues during transfer case or transmission resealing
• Leak concerns on Ram, Dodge, Jeep, and Chrysler drivetrain assemblies

Fitment

• Fits 2019 Ram 1500, N/A, with Borg-Warner 4811 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2011-2019 Ram 1500, N/A, with Borg-Warner 4444 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2011-2019 Ram 1500, N/A, with Borg-Warner 4445 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2019 Ram 1500, N/A, with Borg-Warner 4812 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2019 Ram 1500 Classic, N/A
• Fits 2019 Ram 1500 Classic, N/A, with Borg-Warner 4444 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2019 Ram 1500 Classic, N/A, with Borg-Warner 4445 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2011-2019 Ram 2500, N/A
• Fits 2012-2019 Ram 2500, N/A, with Borg-Warner 4446 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2012-2019 Ram 2500, N/A, with Borg-Warner 4447 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2019 Ram 2500, N/A, with Borg-Warner 4448 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2011-2019 Ram 3500, N/A
• Fits 2019 Ram 3500, N/A, with Borg-Warner 4448 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2012-2019 Ram 3500, N/A, with Borg-Warner 4446 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2012-2019 Ram 3500, N/A, with Borg-Warner 4447 Transfer Case; with Part Time 4WD; 2 Speed
• Fits 2013-2018 Ram 1500, N/A
• Fits 2012-2013 Jeep Grand Cherokee, N/A
• Fits 2011-2012 Ram 1500, N/A, with Chrysler 45RFE Transmission
• Fits 2011 Dodge Durango, N/A, 5-45RFE Transmission Differential Pinion Repair Sleeve
• Fits 2005-2011 Jeep Grand Cherokee, N/A, 5-45RFE Transmission Differential Pinion Repair Sleeve
• Fits 2005-2010 Dodge Dakota, N/A, with Chrysler 42RLE Transmission
• Fits 2005-2010 Dodge Dakota, N/A, 5-45RFE Transmission Differential Pinion Repair Sleeve
• Fits 2005-2010 Dodge Ram 1500, N/A, 5-45RFE Transmission Differential Pinion Repair Sleeve
• Fits 2005-2010 Dodge Ram 1500, N/A, with Chrysler 45RFE Transmission
• Fits 2007-2010 Dodge Ram 2500, N/A, with Chrysler 68RFE Transmission
• Fits 2005-2010 Dodge Ram 2500, N/A, 5-45RFE Transmission Differential Pinion Repair Sleeve
• Fits 2008-2010 Dodge Ram 3500, N/A
• Fits 2006-2010 Jeep Commander, N/A, 5-45RFE Transmission Differential Pinion Repair Sleeve
• Fits 2007-2009 Chrysler Aspen, N/A, 5-45RFE Transmission Differential Pinion Repair Sleeve
• Fits 2005-2007 Dodge Ram 3500, N/A, 5-45RFE Transmission Differential Pinion Repair Sleeve
• Fits 2007 Dodge Ram 3500, N/A, with Chrysler 68RFE Transmission
• Fits 2005-2007 Jeep Liberty, N/A, with Chrysler 45RFE Transmission
• Fits 2005-2006 Jeep Liberty, N/A, 5-45RFE Transmission Differential Pinion Repair Sleeve

Installation Notes and Tips

Confirm the shaft diameter, housing bore, and seal width before installation. Clean the bore and shaft surface thoroughly, and inspect for grooves, corrosion, or damage that could affect sealing. For Ram 1500, Ram 2500, and Ram 3500 service work, verify the transfer case or transmission configuration listed in the fitment notes before ordering.

Quality Assurance

National has supplied sealing solutions for more than 75 years and continues to develop sealing components for modern vehicle service needs. Part number 710941 is built to metric dimensions and uses fluoro-elastomer sealing material for transmission sealing applications.