TC Remanufacturing F577L2AA Automatic Transmission Torque Converter

Overview of TC Remanufacturing F577L2AA Torque Converter

The TC Remanufacturing F577L2AA automatic transmission torque converter is engineered for reliable performance in select Ford, Mazda, and Mercury vehicles. Designed specifically for models like the Ford Explorer, Mustang, and Ranger, this lock-up converter offers medium stall speed and precise fitment to ensure smooth power transfer.

• Compatible with Ford, Mazda, and Mercury vehicles including Explorer, Mustang, Ranger, B4000, Mountaineer, and Explorer Sport Trac
• Lock-up converter type with medium stall speed for balanced performance
• 10.930-inch converter diameter with a 9.250-inch bolt circle
• Flats/stepped hub type with 21 spline count for secure engagement
• Mounting type features 4 studs with 3/8 x 24 thread size
• Pilot diameter of .750/.825 inches and pilot length of 1.550 inches
• Includes a 10 vane stator for efficient torque multiplication
• Part number F577L2AA; do not interchange with F57SDAA

Detailed Product Description

The F577L2AA torque converter from TC Remanufacturing is designed to meet the specific requirements of automatic transmissions in Ford, Mazda, and Mercury vehicles. Its lock-up design helps improve fuel efficiency by eliminating slippage at cruising speeds. The medium stall speed balances quick engagement with smooth operation, making it suitable for daily driving and moderate towing applications.

With a 10.930-inch diameter and a 9.250-inch bolt circle, this converter fits securely within the transmission housing. The flats/stepped hub type and 21 spline count ensure a precise connection to the transmission input shaft. The mounting system uses four studs with a 3/8 x 24 thread size, providing a stable and secure installation. The pilot diameter and length (.750/.825 inches and 1.550 inches respectively) are engineered for proper alignment and fitment.

Compatible Vehicles and Applications

• Ford Explorer, Explorer Sport, Explorer Sport Trac
• Ford Mustang
• Ford Ranger
• Ford B4000
• Mazda and Mercury Mountaineer models

Common Issues Addressed by This Torque Converter

• Transmission slipping or delayed engagement
• Overheating due to inefficient torque multiplication
• Reduced fuel efficiency from non-lock-up converters
• Vibration or noise caused by worn or damaged converters
• Poor acceleration or stalling at low speeds

Installation Notes and Tips

Ensure the torque converter is compatible with your vehicle’s transmission model and part number F577L2AA. Do not interchange with part number F57SDAA, as they are not compatible. Verify the bolt circle diameter and mounting stud configuration before installation. Proper alignment of the pilot diameter and spline count is critical to avoid transmission damage. It is recommended to inspect the transmission fluid and seals during installation to prevent leaks.

Quality Assurance and Warranty

TC Remanufacturing torque converters undergo rigorous testing to meet OEM specifications. This part is remanufactured to ensure durability and reliable performance. Warranty coverage details should be confirmed with the distributor or manufacturer, as terms may vary.