Alliance Torque Converters F577L2AA Remanufactured Torque Converter for Ford 5R55S/5R55W

The Alliance Torque Converters F577L2AA is a factory replacement remanufactured automatic transmission torque converter designed for Ford 5R55S and 5R55W transmissions. This lock-up style converter features professional remanufacturing with precise balancing and quality components to ensure reliable performance and proper transmission operation.

Key Specifications:

• Converter diameter: 10.930 inches
• Bolt circle: 9.250 inches
• Mounting: 4 studs with 3/8 x 24 thread size
• Spline count: 21 turbine splines
• Hub type: Flats/stepped design
• Pilot diameter: 0.750/0.825 inch (stepped)
• Pilot length: 1.550 inches
• Converter type: Lock-up with medium stall
• Stator: 10 vane design
• Converter code: 7L2AA

Features:

• Professionally remanufactured to meet OE specifications
• Precision balanced to reduce vibration and ensure smooth operation
• Quality tested for proper lock-up function and hydraulic integrity
• No ring gear included
• Direct replacement for factory torque converter

Important Note: Do not interchange with F57SDAA. Designed specifically for 5R55S and 5R55W automatic transmissions commonly found in Ford Rangers, Explorers, and other Ford vehicles.