TC Remanufacturing B21FM8C Automatic Transmission Torque Converter

Overview of TC Remanufacturing B21FM8C Torque Converter

The TC Remanufacturing B21FM8C automatic transmission torque converter is engineered for select Buick and Cadillac models, including the Century, DeVille, and Eldorado. Designed with precise specifications, this lock-up converter supports smooth power transfer and efficient vehicle performance.

• Bolt Circle Diameter: 9.500 inches
• Converter Diameter: 11.000 inches
• Lock-up Converter Type for improved fuel efficiency
• Hub Type: No drive on hub
• Mounting Type: 3 pads
• Pilot Diameter: 0.825 inches
• Spline Count: 27
• Stall Speed: 1525 rpm
• No ring gear included

Technical Details and Compatibility

This automatic transmission torque converter, part number B21FM8C, is compatible with various Buick and Cadillac vehicles such as the Buick Century, 60 Special, and Cadillac Seville, Allante, and Fleetwood. The 11-inch converter diameter and 9.5-inch bolt circle ensure proper fitment within the transmission assembly. The lock-up design enhances torque transfer efficiency by reducing slippage at cruising speeds, contributing to better fuel economy and reduced heat generation.

Applications and Problem Resolution

This torque converter is intended for use in automatic transmissions of specific Buick and Cadillac models. It addresses common transmission issues such as:

• Excessive slippage during acceleration
• Overheating of the transmission fluid
• Delayed or harsh shifting
• Reduced fuel efficiency due to torque converter inefficiency
• Vibration or shuddering at cruising speeds

Installation Notes and Tips

When installing the B21FM8C torque converter, ensure the following:

• Verify compatibility with the vehicle make and model, including Buick Century and Cadillac DeVille
• Check the spline count of 27 matches the transmission input shaft
• Confirm the mounting type with 3 pads aligns with the transmission housing
• Use proper torque specifications for the 9.5-inch bolt circle
• Inspect the pilot diameter of 0.825 inches for correct pilot bushing fit

Quality Assurance and Warranty

TC Remanufacturing provides this torque converter with a focus on durability and performance consistency. Each unit undergoes rigorous testing to meet OEM standards. Warranty coverage details should be confirmed at the point of purchase, ensuring protection against manufacturing defects and premature failure.