TC Remanufacturing B21FM8C Automatic Transmission Torque Converter

Automatic Transmission Torque Converter for GM Applications

TC Remanufacturing B21FM8C is an automatic transmission torque converter built with a 11.000-inch converter diameter, 9.500-inch bolt circle, and 3-pad mounting type. It uses a lock-up design with a 27-spline count, no drive on hub, no ring gear, and a 0.825 pilot diameter for the listed GM fitments.

Key Features

• Automatic transmission torque converter from TC Remanufacturing
• Part number B21FM8C
• 11.000-inch converter diameter
• 9.500-inch bolt circle
• Lock-up converter type
• 3-pad mounting type
• No drive on hub design
• 27-spline count
• 0.825 pilot diameter
• 1525 RPM stall
• No ring gear

Detailed Description

This TC Remanufacturing B21FM8C torque converter is listed for a range of GM passenger cars and chassis applications, including Buick Century and Cadillac DeVille, Eldorado, Seville, Allante, Fleetwood, Commercial Chassis, and 60 Special. The lock-up configuration helps maintain efficient drivetrain operation in the automatic transmission system, while the 1525 RPM stall specification supports the intended engagement characteristics for the covered applications. If you are sourcing a replacement torque converter for a 1994-1996 Buick Century or a 1985-1995 Cadillac DeVille, B21FM8C matches the published fitment and core dimensions.

What This Part Helps Address

• Shudder or slip related to a worn torque converter
• Loss of lock-up function in the automatic transmission
• Incorrect stall behavior from a mismatched converter
• Vibration or engagement issues tied to converter wear
• Replacement needs for GM automatic transmission service

Installation Notes and Tips

Verify the 11.000-inch diameter, 9.500-inch bolt circle, 27-spline count, 0.825 pilot diameter, and 3-pad mounting style before installation. Confirm transmission and engine compatibility against the vehicle’s original converter specifications, especially on Cadillac DeVille, Eldorado, Seville, Allante, Fleetwood, Commercial Chassis, and Buick Century applications. Proper fluid fill, cooler line inspection, and transmission flush procedures should be completed during replacement to help protect the new converter and transmission.

Quality Assurance

TC Remanufacturing supplies remanufactured drivetrain components for automotive service applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

• Fits 1994-1996 Buick Century, N/A
• Fits 1985-1995 Cadillac DeVille, N/A
• Fits 1993 Cadillac 60 Special, N/A
• Fits 1985-1993 Cadillac Commercial Chassis, N/A
• Fits 1986-1993 Cadillac Eldorado, N/A
• Fits 1986-1993 Cadillac Seville, N/A
• Fits 1987-1992 Cadillac Allante, N/A
• Fits 1985-1992 Cadillac Fleetwood, N/A