National 711013 Automatic Transmission Output Shaft Seal - Right

Automatic Transmission Output Shaft Seal

The National 711013 automatic transmission output shaft seal is a metric oil seal built for the right-side transmission output shaft on a range of Hyundai and Kia vehicles. It uses a bi-directional lip design and polyacrylate construction to support sealing performance in demanding transmission environments.

Key Features

• Part number 711013 automatic transmission output shaft seal
• Bi-directional lip design for sealing in either rotational direction
• Polyacrylate material for transmission sealing applications
• Metric dimensions: 74.0 mm housing bore, 74.2 mm outside diameter
• 40.0 mm shaft size with 10.0 mm width
• Oil seal design for automatic transmission output shaft service

Detailed Description

National 711013 is part of the 711000 series and is engineered as an automatic transmission output shaft seal for right-side applications. The seal measures 74.0 mm at the housing bore, 74.2 mm at the outside diameter, and 40.0 mm at the shaft, with a 10.0 mm width and 17.0 mm overall width with side lip. This metric seal is designed for vehicles including Hyundai Santa Fe, Hyundai Santa Fe XL, Hyundai Santa Fe Sport, Hyundai Sonata, Hyundai Azera, Kia Optima, Kia Sorento, Kia Sedona, Kia Sportage, and Kia Cadenza. The 711013 part number is also referenced for OE-style replacement needs in these applications.

National has focused on sealing solutions for more than 75 years, and this output shaft seal reflects that experience with a design intended for modern automatic transmissions. This part cross-references Dorman - HELP 15784 for the same application.

What It Helps Address

• Transmission fluid leakage at the output shaft seal area
• Fluid seepage around the right-side transmission housing
• Seal wear from age, heat, and normal drivetrain operation
• Loss of sealing integrity on Hyundai and Kia automatic transmissions
• Service replacement for a worn or damaged oil seal

Installation Notes and Tips

Verify housing bore, shaft diameter, and transmission application before installation. Clean the sealing surface thoroughly and inspect the shaft for scoring or wear that could affect seal life. Confirm right-side placement and transmission code details, including Hyundai A6LF1 transmission applications where listed, before ordering or installing the National 711013.

Quality Assurance

National is a long-established sealing brand with a reputation built on premium sealing solutions and ongoing product development for current vehicle platforms. The 711013 output shaft seal is manufactured to support OE-style fitment expectations for the listed Hyundai and Kia applications.