National Oil Seal 711111 Automatic Transmission Output Shaft Seal

The National Oil Seal 711111 is a precision-engineered automatic transmission output shaft seal designed to prevent transmission fluid leakage and protect vital drivetrain components. This seal installs at the transmission output shaft where it connects to the driveshaft or CV axle, creating a reliable barrier that keeps transmission fluid contained while allowing the shaft to rotate freely.

Key Features:

• Premium quality construction from National, a trusted name in sealing solutions for over 75 years
• Engineered to meet or exceed OEM specifications for reliable performance
• Prevents transmission fluid loss and protects against contamination from dirt, dust, and moisture
• Designed for automatic transmission applications on select Toyota and Lexus vehicles
• Operating temperature range: -20°F to 300°F (-29°C to 149°C)
• Features precision sealing lip design for optimal shaft contact and fluid retention

National Oil Seals are part of the Timken family of products, combining advanced engineering with quality materials to deliver sealing solutions that keep pace with modern vehicle demands. This output shaft seal helps maintain proper transmission fluid levels, prevents costly leaks, and ensures smooth power transfer from the transmission to the wheels.