TC Remanufacturing B15CBD Automatic Transmission Torque Converter

Automatic Transmission Torque Converter for GM A-Body and G-Body Applications

TC Remanufacturing B15CBD is an automatic transmission torque converter built for a wide range of rear-wheel-drive GM cars and trucks from the 1976-1990 model years. It features a 12.000-inch converter diameter, lock-up operation, and a 2025 RPM stall speed for applications that call for a higher-stall setup.

Key Features

• Part number: B15CBD
• 12.000-inch converter diameter
• Lock-up torque converter design
• 2025 RPM stall speed
• 10.750 bolt circle
• 27-spline hub interface
• Slotted hub type with 3-pad mounting
• 1.703 pilot diameter
• No ring gear
• Converter codes: CB, CB4C, CB5C

Detailed Description

This TC Remanufacturing torque converter is specified for many classic GM platforms, including Chevrolet Caprice, Monte Carlo, Impala, El Camino, Camaro, and C10/C20 applications, along with Buick Regal and LeSabre, Oldsmobile Cutlass, Delta 88, 98, and Pontiac Grand Prix, Bonneville, Firebird, and LeMans models. The B15CBD configuration uses a lock-up design to match transmissions that require converter clutch engagement, while the 2025 RPM stall helps support stronger launch characteristics in the listed applications.

Use this converter when you need a direct-match replacement for vehicles calling for converter codes CB, CB4C, or CB5C. The B15CBD part number is also a useful reference when searching for a torque converter for 1980s Chevrolet Monte Carlo, 1980-1985 Buick Regal, or 1979-1985 Oldsmobile Delta 88 applications.

What It Helps Solve

• Shudder or slip caused by a worn torque converter clutch
• Delayed or inconsistent engagement from an aging converter
• Launch performance issues in higher-stall applications
• Fitment problems when the converter code or spline count does not match
• Noise or drivability concerns tied to internal converter wear

Installation Notes and Tips

Verify transmission code, converter code, bolt circle, spline count, pilot diameter, and mounting style before installation. Confirm the application uses a 27-spline, 3-pad, lock-up converter with a 10.750 bolt circle and 1.703 pilot diameter. For best results, inspect the transmission fluid, cooler, and flexplate condition during replacement. Fits 1980-1990 Chevrolet Caprice, N/A; Fits 1979-1988 Chevrolet Monte Carlo, N/A; Fits 1980-1985 Buick Regal, N/A; Fits 1985-1987 Oldsmobile Cutlass, N/A; Fits 1983-1987 Pontiac Grand Prix, N/A.

Quality Assurance

TC Remanufacturing supplies remanufactured drivetrain components for service replacement use. This B15CBD torque converter is built to match the listed converter specifications and vehicle applications for accurate fitment selection.