National 710982 Manual Transmission Output Shaft Seal

Manual Transmission Output Shaft Seal for Mazda RX-8 and Miata

National 710982 is a manual transmission output shaft seal built for metric applications that require a precise sealing fit. It uses a polyacrylate sealing material and a counter-clockwise spiral lip design to help maintain a consistent seal at the transmission output shaft.

Fits 2004-2008 Mazda RX-8 with Aisin AZ6 Transmission and 1999-2005 Mazda Miata with Aisin AZ6 Transmission. This National 710982 seal is a direct-fit service part for vehicles that need a replacement oil seal at the transmission output shaft.

• Manual transmission output shaft seal for metric applications
• Polyacrylate material for sealing performance
• Counter-clockwise spiral lip design
• Outside diameter: 2.016 in. / 51.200 mm
• Housing bore: 2.008 in. / 51.000 mm
• Shaft size: 1.496 in. / 38.000 mm
• Width: 0.472 in. / 12.000 mm
• Overall width with side lip: 0.913 in. / 22.300 mm

Detailed Product Overview

National 710982 is an oil seal for the manual transmission output shaft, engineered around the listed metric dimensions for accurate housing and shaft engagement. The flanged outside diameter measures 2.362 inches (60.000 mm), and the seal is part of National’s 710900 series. For shoppers searching for a Mazda RX-8 transmission output shaft seal or a Mazda Miata manual transmission seal, this part number provides a focused replacement option for the Aisin AZ6 transmission application.

This part cross-references BBB Industries 13794 for the same application.

Common Problems This Seal Can Address

• Transmission fluid seepage at the output shaft
• Oil residue around the rear of the manual transmission
• Seal wear from age, heat, or mileage
• Loss of sealing integrity at the shaft interface
• Service replacement during transmission maintenance

Installation Notes and Tips

Verify the transmission type and shaft dimensions before installation. Clean the housing bore and shaft surface thoroughly, and inspect for scoring or wear that could affect sealing performance. Proper alignment during installation helps the lip seat evenly and reduces the chance of premature leakage.

Quality Assurance

National has supplied sealing solutions for more than 75 years and continues to develop sealing components for modern vehicle applications. Part number 710982 reflects that experience in a manual transmission output shaft seal designed for the specified Mazda fitments.