Alliance Torque Converters F57AA Automatic Transmission Torque Converter

The Alliance Torque Converters F57AA is a professionally remanufactured automatic transmission torque converter designed for Ford A4LD, 4R44E, 4R55E, 5R44E, and 5R55E transmissions. Built to aircraft industry standards with multiple in-line inspection points, this torque converter delivers reliable performance backed by Alliance's commitment to quality manufacturing.

Key Specifications:

• Lock-up design with 11.000" diameter
• 9.500" bolt circle with 4 mounting studs
• 21-spline hub with flat pilot type (D: 0.750")
• High stall rating (2700-3200 RPM range)
• No ring gear configuration

Remanufacturing Process:

• Complete disassembly and thorough cleaning of all components
• Precision machining to restore original specifications
• Rigorous inspection for wear, damage, and inconsistencies
• Professional welding and reassembly by skilled technicians
• Leak testing to ensure fluid integrity
• Careful balancing to minimize vibrations and maximize performance

Alliance Torque Converters has been producing high-quality remanufactured torque converters since 2008, combining experienced craftsmanship with advanced manufacturing technology. Each converter is backed by a 36-month replacement warranty, demonstrating the company's confidence in their remanufacturing process and commitment to customer satisfaction.