TC Remanufacturing F21 Automatic Transmission Torque Converter

TC Remanufacturing F21 Torque Converter

The TC Remanufacturing F21 is an automatic transmission torque converter built for select Ford and Mercury applications with a 12.000-inch converter diameter and non-lock-up design. It uses a 1.375 pilot diameter, 24 spline count, studs for mounting, and milled flats hub type for the specified fitments.

Compatible With 1965-1969 Ford Mustang, 1967 Ford LTD, 1969 Ford Bronco, 1969 Ford F-250, 1967-1969 Mercury Cougar, and 1968-1969 Mercury Montego applications listed below.

Key Features

• Part number F21 from TC Remanufacturing
• 12.000-inch converter diameter
• Non-lock-up torque converter design
• 1300-1500 stall range
• 11.375 bolt circle
• 24 spline count
• 1.375 pilot diameter
• Milled flats hub type
• Stud mounting type
• No ring gear
• Converter codes: AC, V

Detailed Description

TC Remanufacturing F21 is an automatic transmission torque converter for classic Ford and Mercury vehicles that require the listed converter codes and dimensions. The 12.000-inch diameter and 1300-1500 stall range make this unit a direct-spec replacement for driveline service on applications such as Ford Mustang, Ford Bronco, Ford F-250, Ford LTD, Mercury Cougar, and Mercury Montego. The F21 part number is useful when matching the correct converter to the transmission and engine combination specified by the vehicle code.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

• Replacing a worn or damaged torque converter in a classic Ford Mustang
• Restoring proper transmission engagement in a Ford Bronco or Ford F-250
• Addressing incorrect stall speed or drivability concerns in Mercury Cougar and Montego applications
• Matching converter code requirements AC and V for the listed vehicles
• Correcting fitment issues tied to spline count, pilot diameter, or bolt circle mismatch

Installation Notes and Tips

Verify converter codes AC and V, the 24 spline count, 1.375 pilot diameter, 11.375 bolt circle, and stud mounting before installation. Confirm the transmission and engine combination against the vehicle’s original specifications, especially on 1965-1969 Ford Mustang and other classic Ford/Mercury applications. Check clearance, alignment, and fluid condition during replacement to help ensure proper operation after installation.

Quality Assurance

TC Remanufacturing supplies transmission hard parts for service applications, and this F21 torque converter is built to the listed dimensional and code requirements for the specified vehicles.