Federal Mogul National 710797 Manual Transmission Output Shaft Seal

The Federal Mogul National 710797 is a Manual Transmission Output Shaft Seal engineered to prevent fluid leaks at the transmission output shaft and keep contaminants out of the drivetrain. Manufactured under the trusted National Seals brand — a division of Federal Mogul (now Tenneco) — this seal is built to meet or exceed OEM specifications for a precise, reliable fit.

Key Features:

• Spring-loaded, multi-lip design for superior sealing contact and long service life
• Temperature range: -20°F to 300°F (-29°C to 149°C) for reliable performance across all driving conditions
• Resistant to EP (extreme pressure) lubricants commonly used in manual transmissions
• Low swell in hydrocarbon fluids to maintain dimensional stability and sealing integrity
• Manufactured by National Seals / Federal Mogul, one of the most respected names in automotive sealing solutions with over 75 years of industry experience

The 710797 output shaft seal is a direct OEM-quality replacement designed to restore proper sealing and prevent costly transmission fluid leaks. It is a straightforward, professional-grade repair component suitable for DIY and shop use alike.