Timken 2655 Automatic Transmission Extension Housing Seal - Rear

Reliable Automatic Transmission Extension Housing Seal

The Timken 2655 automatic transmission extension housing seal is engineered to provide a precise fit and durable sealing performance for select Ford, Mazda, and Mercury vehicles. Designed with high-quality N-polyacrylate material, this seal ensures effective protection against leaks and contamination in your transmission system.

• Outside diameter options: 2.250 inches (57.25 mm)
• Shaft diameter options: 1.374 inches (34.92 mm)
• Housing bore dimensions: 2.244 inches (57.00 mm)
• Seal width: 0.374 inches (30.40 mm)
• Helix type: Counter-clockwise (CCW) for optimal sealing
• Seal type: 79, designed for automatic transmission extension housing
• Material: Durable N-polyacrylate for resistance to heat and wear

Detailed Product Description

The Timken 2655 automatic transmission extension housing seal is specifically designed to maintain the integrity of the transmission system by preventing fluid leaks and keeping contaminants out. Its precise dimensions, including an outside diameter of 2.250 inches (57.25 mm) and a shaft diameter of 1.374 inches (34.92 mm), ensure a secure fit within the housing bore of 2.244 inches (57.00 mm). The seal’s 0.374 inch (30.40 mm) width and counter-clockwise helix design contribute to its effective sealing capabilities. Constructed from N-polyacrylate, this seal offers reliable resistance to heat, oil, and wear, making it suitable for the demanding conditions of automatic transmissions in vehicles such as the Ford Explorer, Mazda B2300, and Mercury Cougar.

Compatible Vehicles and Applications

This Timken 2655 seal is compatible with a range of Ford, Mazda, and Mercury models, including:

• Ford Aerostar, Bronco II, Explorer, Mustang, Pinto, Ranger, Thunderbird
• Mazda B2300, B2500, B3000, B4000
• Mercury Cougar, Fairmont, Zephyr

It is designed for use in automatic transmission extension housings, providing a reliable seal to maintain transmission fluid integrity and prevent leaks.

Common Issues Addressed by This Seal

• Prevents transmission fluid leaks from the extension housing
• Protects against dirt and debris entering the transmission system
• Reduces risk of premature transmission wear due to contamination
• Maintains proper fluid pressure within the transmission
• Helps avoid costly transmission repairs caused by seal failure

Installation Notes and Tips

• Ensure the housing bore and shaft are clean and free of debris before installation
• Use appropriate tools to avoid damaging the seal during installation
• Verify the seal orientation matches the counter-clockwise helix design
• Lubricate the seal lip with transmission fluid to ease installation and prevent damage
• Check for proper seating to avoid leaks after installation

Quality Assurance and Warranty

Timken manufactures the 2655 automatic transmission extension housing seal to meet strict quality standards, ensuring durability and reliable performance. The use of N-polyacrylate material provides resistance to heat and wear, contributing to the seal’s longevity. While specific warranty details may vary, Timken products typically come with a limited warranty against manufacturing defects. Always consult the product documentation or Timken directly for warranty information related to this part.