National 710731 Automatic Transmission Output Shaft Seal - Rear Outer or Right

Automatic Transmission Output Shaft Seal

National 710731 is an automatic transmission output shaft seal built for metric applications that require a precise sealing fit. It uses a polyacrylate sealing material and a clockwise-spiral lip design to help maintain a tight seal at the shaft interface in Toyota, Mazda, Scion, Pontiac, and related applications.

Use National 710731 when servicing the transmission output shaft seal on vehicles such as the Toyota Camry, Toyota Corolla, and Mazda MX-5 Miata. The 710731 seal is sized for a 40 mm shaft and a 64.2 mm outside diameter, making it a direct-fit sealing component for the listed applications.

• Part number: 710731
• Automatic transmission output shaft seal / oil seal
• Polyacrylate sealing material for transmission sealing applications
• Clockwise-spiral lip design
• Metric dimensions: 40.0 mm inside diameter, 64.2 mm outside diameter, 9.0 mm width
• Housing bore: 64.0 mm
• Cross-reference: Dorman - HELP 15767

Fitment Details

• Fits 2006-2019 Mazda MX-5 Miata, rear outer, with 7 in ring gear; with Mazda axle.
• Fits 2012-2018 Toyota Prius V, right.
• Fits 2008-2015 Scion xB, right, with Toyota U241E transmission.
• Fits 2010-2015 Toyota Prius, right.
• Fits 2012-2015 Toyota Prius C, right, with Toyota P410 transmission.
• Fits 2009-2012 Toyota Corolla, right, with Toyota U250E transmission.
• Fits 2009-2012 Toyota Matrix, right, with Toyota U250E transmission.
• Fits 2000-2012 Toyota RAV4, right, with Toyota U241E transmission.
• Fits 2009-2010 Pontiac Vibe, right, with Toyota U250E transmission.
• Fits 2005-2010 Scion tC, right, with Toyota U241E transmission.
• Fits 2005-2009 Toyota Camry, right, with Toyota U250E transmission.
• Fits 2003-2008 Toyota Matrix, right, fits manual transmission output shaft seal with Toyota U240E transmission.
• Fits 2006-2008 Toyota Solara, right, with Toyota U250E transmission.
• Fits 2001-2007 Toyota Highlander, right.
• Fits 2000-2005 Toyota Celica, right, fits manual transmission output shaft seal with Toyota U240E transmission.
• Fits 2002-2005 Toyota Solara, right, with Toyota U241E transmission.
• Fits 2002-2004 Toyota Camry, right, with Toyota U241E transmission.

What This Seal Helps Address

• Transmission fluid seepage at the output shaft
• Oil leakage around the shaft-to-housing sealing surface
• Seal wear from age, heat, and fluid exposure
• Service replacement during transmission repair or rebuild
• Leak concerns on Toyota Camry, Corolla, RAV4, and Mazda MX-5 Miata applications

Installation Notes

Verify shaft diameter, housing bore, and transmission type before installation. Clean the bore and shaft sealing surface thoroughly, and inspect for scoring or wear that could affect seal performance. Confirm the clockwise-spiral lip orientation matches the application, and install the seal squarely to avoid distortion.

Quality Assurance

National has supplied sealing solutions for more than 75 years and continues to develop sealing components for modern vehicle applications. Part number 710731 is engineered as a metric oil seal for the listed fitments, including Toyota, Scion, Pontiac, Mazda, and related models.