TC Remanufacturing B84PIN Automatic Transmission Torque Converter

Automatic Transmission Torque Converter for GM Applications

The TC Remanufacturing B84PIN automatic transmission torque converter is built for GM vehicles that use a 30-spline, lock-up converter with on/off control. It features an 11.250-inch converter diameter, 9.875-inch bolt circle, 0.825-inch pilot diameter, and a low-stall setup for direct replacement service.

Compatible With Cadillac DeVille, Seville, Eldorado, DTS, Buick Lucerne, Pontiac Bonneville, and Oldsmobile Aurora applications listed below. The B84PIN is a practical choice when replacing a worn torque converter in a transmission service or rebuild.

• Brand: TC Remanufacturing
• Part number: B84PIN
• Automatic transmission torque converter
• Lock-up converter with on/off control
• 11.250-inch converter diameter
• 9.875-inch bolt circle
• 30-spline count
• 4-pad mounting type
• 0.825-inch pilot diameter
• No drive hub type
• Low-stall calibration
• No ring gear

Fitment Details

• Fits 2006-2011 Buick Lucerne, N/A
• Fits 2006-2011 Cadillac DTS, N/A
• Fits 1994-2005 Cadillac DeVille, N/A
• Fits 2004-2005 Pontiac Bonneville, N/A
• Fits 1993-2004 Cadillac Seville, N/A
• Fits 2001-2003 Oldsmobile Aurora, N/A
• Fits 1995-1999 Oldsmobile Aurora, N/A
• Fits 1993-2002 Cadillac Eldorado, N/A

What This Torque Converter Helps Address

• Shudder or slip during lock-up operation
• Delayed engagement after transmission service
• Excessive engine flare under acceleration
• Converter-related vibration or drivability complaints
• Wear found during transmission rebuilds

Installation Notes and Tips

Verify the 30-spline count, 4-pad mounting pattern, 9.875-inch bolt circle, and 0.825-inch pilot diameter before installation. Confirm the transmission code and vehicle application for Cadillac DeVille, Seville, Eldorado, DTS, Buick Lucerne, Pontiac Bonneville, or Oldsmobile Aurora to ensure the correct fit.

During installation, inspect the transmission pump, input shaft, and cooler circuit for wear or contamination before putting the vehicle back into service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

TC Remanufacturing supplies remanufactured drivetrain components for transmission service and replacement work. The B84PIN is specified with the listed dimensions and lock-up configuration to support accurate parts matching for the applications shown.