National 2655 Manual Transmission Output Shaft Seal

Overview of National Manual Transmission Output Shaft Seal 2655

The National 2655 manual transmission output shaft seal is engineered to provide reliable sealing performance for select Ford, Lincoln, Mazda, and Mercury vehicles. Designed with precision dimensions and durable polyacrylate material, this oil seal helps maintain transmission integrity and prevent fluid leaks.

• Inside diameter: 1.375 inches (34.930 mm)
• Outside diameter: 2.254 inches (57.250 mm)
• Thickness: 0.405 inches (10.287 mm)
• Flanged outside diameter: 2.484 inches (63.094 mm)
• Counter-clockwise spiral lip design for effective sealing
• Constructed from polyacrylate sealing material
• Compatible with housing bore diameter of 2.244 inches (57.000 mm)
• Includes Redicoat for enhanced corrosion resistance

Detailed Product Description and Specifications

The National 2655 output shaft seal is part of the Series 2000 line, known for its durable sealing solutions in manual transmissions. This oil seal features a counter-clockwise spiral lip design that ensures a tight seal around the output shaft, minimizing the risk of transmission fluid leaks. The polyacrylate material offers resistance to heat and wear, extending the service life of the seal. With an inside diameter of 1.375 inches and an outside diameter of 2.254 inches, it fits precisely into housings with a bore diameter of 2.244 inches. The flanged outside diameter of 2.484 inches provides additional stability during installation and operation.

Compatible Vehicles and Applications

This manual transmission output shaft seal is compatible with a range of Ford, Lincoln, Mazda, and Mercury models, including but not limited to:

• Ford Aerostar, Bronco II, Explorer, Mustang, Ranger, Thunderbird
• Lincoln Mark VII, Continental, Town Car, Grand Marquis
• Mazda B2300, B2500, B3000, B4000, Navajo
• Mercury Cougar, Capri, Marquis, Mountaineer, Zephyr

It is designed specifically for manual transmission output shafts requiring a 1.375-inch shaft diameter and fits the corresponding housing bore size.

Common Issues Addressed by National 2655 Output Shaft Seal

• Prevents transmission fluid leaks from the output shaft area
• Reduces contamination ingress into the transmission system
• Minimizes wear on transmission components by maintaining proper lubrication
• Helps avoid costly transmission repairs due to seal failure
• Maintains transmission performance and reliability

Installation Notes and Tips

• Ensure the housing bore is clean and free of debris before installation
• Use appropriate tools to press the seal evenly into the bore without distortion
• Verify the orientation of the counter-clockwise spiral lip design for correct sealing direction
• Inspect the output shaft for wear or damage prior to seal installation
• Apply a light coating of transmission fluid to the seal lip to ease installation and initial operation

Quality Assurance and Warranty Information

National's Series 2000 seals, including part number 2655, are manufactured to meet strict quality standards for durability and performance. The inclusion of Redicoat treatment enhances corrosion resistance, contributing to longer service life. While specific warranty terms may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in their transmission sealing products.