National 710198 Manual Transmission Output Shaft Seal

Manual Transmission Output Shaft Seal for Aisin AX15

National 710198 is a manual transmission output shaft seal built with nitrile material for sealing performance in the transmission case. It is specified for select Dodge Dakota and Dodge B150 applications with the Aisin AX15 transmission, making it a direct-fit option for common manual transmission leak repairs.

• Nitrile construction for oil resistance and sealing durability
• Inside diameter: 1.565 in. / 39.750 mm
• Outside diameter: 2.382 in. / 60.500 mm
• Housing bore: 2.372 in. / 60.250 mm
• Width: 0.394 in. / 10.000 mm
• Overall width with side lip: 0.827 in. / 21.000 mm
• Part description: oil seal
• Series: 710100

National 710198 is engineered as a transmission sealing component for the output shaft area, where it helps maintain fluid control at the rear of the manual gearbox. National has focused on sealing solutions for more than 75 years, and this seal reflects that experience with dimensions and material selection suited to drivetrain service. This part cross-references 4636502 and 04636502 for the same application.

Vehicle Fitment

• Fits 1992-2003 Dodge Dakota, with Aisin AX15 Transmission
• Fits 1992-1993 Dodge B150, with Aisin AX15 Transmission

Common Repair Uses

• Transmission fluid leaking from the output shaft area
• Wet or oily residue around the rear of the manual transmission
• Seal wear from age, heat, or mileage
• Service replacement during clutch or transmission work
• Restoring proper sealing at the manual transmission tail section

Installation Notes and Tips

Confirm the transmission is the Aisin AX15 before ordering. Inspect the shaft surface and housing bore for wear, scoring, or contamination before installing the new seal. Clean the sealing area thoroughly and verify the seal dimensions match the application before assembly.

Quality Assurance

National is a long-established sealing brand with a focus on premium sealing solutions and application-specific design for modern vehicles. National 710198 is built to meet the dimensional requirements of the listed Dodge Dakota and Dodge B150 manual transmission applications.