National 710868 Automatic Transmission Torque Converter Seal

Automatic Transmission Torque Converter Seal

National 710868 is an automatic transmission torque converter seal built for metric applications that require a precise sealing surface and stable lip contact. It uses polyacrylate material and a clockwise-spiral lip design to help maintain sealing performance in the transmission housing.

Compatible with a wide range of Honda and Acura vehicles, including Honda Accord, Pilot, Odyssey, Ridgeline, Crosstour, and Acura TL, MDX, RDX, RL, and NSX applications. National 710868 is also referenced for Saturn Vue models with Honda MDRA transmission applications.

Key Features

• Polyacrylate construction for transmission sealing applications
• Clockwise-spiral lip design
• Metric dimensions for accurate housing and shaft fit
• Inside diameter: 1.811 in. / 46.000 mm
• Outside diameter: 2.764 in. / 70.200 mm
• Width: 0.315 in. / 8.000 mm
• Part description: oil seal
• Series: 710800

Detailed Description

National 710868 is an automatic transmission torque converter seal engineered around metric sizing for proper fit in the transmission case and on the shaft. The seal measures 1.811 inches inside diameter, 2.764 inches outside diameter, and 0.315 inches thick, with a 70.000 mm housing bore specification. Its clockwise-spiral lip design helps direct sealing action in the intended rotation direction, while the polyacrylate material supports transmission fluid sealing in demanding operating conditions. National has supplied sealing solutions for more than 75 years, and this part reflects that focus on precision sealing components for modern drivetrains. This part cross-references BBB Industries 17914 for the same application.

Fits 2005-2012 Honda Accord, N/A; Fits 2006-2015 Honda Pilot, N/A; Fits 2011-2013 Honda Odyssey, N/A; Fits 2011-2014 Honda Ridgeline, N/A; Fits 2010-2014 Acura TSX, N/A; Fits 2007-2012 Acura RDX, N/A; Fits 2003-2009 Acura MDX, N/A; Fits 2007-2011 Acura TL, N/A; Fits 1996-2010 Acura RL, N/A; Fits 1991-2005 Acura NSX, N/A; Fits 2004-2007 Saturn Vue, N/A with Honda MDRA Transmission.

What It Helps Address

• Transmission fluid leakage at the torque converter seal area
• Seal wear from age, heat, and fluid exposure
• Improper sealing caused by incorrect shaft or housing dimensions
• Noise or drivability concerns related to transmission fluid loss
• Service replacement needs during transmission repair or rebuild work

Installation Notes and Tips

Verify the transmission code, housing bore, shaft diameter, and seal dimensions before installation. Clean the sealing surface thoroughly and inspect the converter neck and bore for scoring or corrosion. Use proper installation tools to seat the seal evenly and avoid lip damage during assembly. Confirm the application details for vehicles with transmission-specific notes, including Honda P9YA, P9ZA, P36A, B36A, PSFA, and MDRA configurations where listed.

Quality Assurance

National is known for sealing products backed by more than 75 years of industry experience. Part number 710868 is built as a precision transmission seal for metric applications and is supported by National’s long-standing focus on sealing technology.