TC Remanufacturing F57SDAA Automatic Transmission Torque Converter

Automatic Transmission Torque Converter for Ford and Mazda

TC Remanufacturing F57SDAA is an automatic transmission torque converter built for low-stall operation with a 11.000-inch diameter and lock-up design. It is a direct-fit option for a wide range of Ford, Mazda, and Mercury applications, including Ranger, Explorer, Mountaineer, and B4000 models.

Key Features

• Part number: F57SDAA
• Automatic transmission torque converter
• Lock-up converter type
• Low stall specification
• 11.000-inch converter diameter
• 9.500-inch bolt circle
• 21-spline count
• Stud mounting type
• Flats / stepped hub type
• 0.750-inch pilot diameter
• 1.500-inch pilot length
• No ring gear

Detailed Description

TC Remanufacturing F57SDAA is an automatic transmission torque converter engineered for applications that use a 21-spline, lock-up converter with a low-stall setup. The 11.000-inch diameter, 9.500-inch bolt circle, stud mounting, and flats/stepped hub configuration make it a precise match for the listed Ford, Mazda, and Mercury vehicles. This part number is commonly associated with Ford Ranger and Explorer platforms, along with Mazda B4000 and Navajo applications.

Fits 1990-2006 Ford Ranger, N/A. Fits 1991-2007 Ford Explorer, N/A. Fits 1998-2006 Mercury Mountaineer, N/A. Fits 2001-2005 Ford Explorer Sport Trac, N/A. Fits 2001-2003 Ford Explorer Sport, N/A. Fits 1990-1997 Ford Aerostar, N/A. Fits 1987-1993 Ford Mustang, N/A. Fits 1997-2006 Mazda B4000, N/A. Fits 2009 Mazda B4000, N/A. Fits 1991-1994 Mazda Navajo, N/A.

What It Is Used For

• Replacing a worn or slipping torque converter in Ford Ranger and Explorer applications
• Restoring lock-up converter operation in Mercury Mountaineer drivetrains
• Addressing shudder, flare, or delayed engagement tied to converter wear
• Correcting fitment issues on Mazda B4000 and Navajo automatic transmissions
• Supporting proper low-stall drivability in the listed vehicles

Installation Notes and Tips

Verify the converter code on the transmission or original unit before ordering, since several code groups are listed for this application. Confirm spline count, pilot dimensions, bolt circle, and hub style against the removed part before installation. Always inspect the transmission fluid, cooler, and flexplate condition during replacement to reduce repeat failure. This part number, F57SDAA, should be matched to the exact vehicle and converter code listed in the fitment data.

Quality Assurance

TC Remanufacturing supplies remanufactured drivetrain components for service replacement use. This torque converter is specified by measurable dimensions and application codes to support accurate fitment selection for the listed Ford, Mazda, and Mercury vehicles.