HomeTransmission > Transmission Hard PartsTC Remanufacturing B84PIN Automatic Transmission Torque Converter
Part #: B84PIN

TC Remanufacturing B84PIN Automatic Transmission Torque Converter

⚙️ 61 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, Pontiac, and Oldsmobile, Lucerne, DTS, DeVille, Bonneville, Seville, Aurora, and Eldorado
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Overview of TC Remanufacturing B84PIN Torque Converter

The TC Remanufacturing B84PIN automatic transmission torque converter is engineered for select Buick, Cadillac, Oldsmobile, and Pontiac models. Designed with a lock-up on/off converter type and low stall speed, this torque converter supports smooth power transfer and efficient transmission performance.

  • Bolt Circle Diameter: 9.875 inches
  • Converter Diameter: 11.250 inches
  • Lock-up On/Off Converter Type
  • Hub Type: No drive
  • Mounting Type: 4 pads
  • Pilot Diameter: 0.825 inches
  • No Ring Gear Included
  • Spline Count: 30
  • Low Stall Speed

Technical Details and Specifications

The B84PIN torque converter features a 9.875-inch bolt circle and an 11.250-inch converter diameter, ensuring compatibility with specific automatic transmissions in Buick Aurora, Cadillac DeVille, DTS, Eldorado, Seville, Oldsmobile Aurora, and Pontiac Bonneville and Lucerne models. Its lock-up on/off design helps improve fuel efficiency by mechanically connecting the engine to the transmission when appropriate. The 30-spline count and no-drive hub type are tailored for precise fitment and reliable torque transfer. The 4-pad mounting type and 0.825-inch pilot diameter provide secure installation and alignment within the transmission assembly. This torque converter does not include a ring gear and is designed with a low stall speed to optimize engine response and drivability.

Compatible Vehicles and Applications

This automatic transmission torque converter is compatible with the following makes and models:

  • Buick Aurora
  • Cadillac DeVille, DTS, Eldorado, Seville
  • Oldsmobile Aurora
  • Pontiac Bonneville, Lucerne

Use the TC Remanufacturing B84PIN torque converter to address issues related to transmission performance and drivability in these vehicles.

Common Issues Addressed by This Torque Converter

  • Transmission slipping or delayed engagement
  • Overheating due to inefficient torque transfer
  • Reduced fuel efficiency from lack of lock-up function
  • Shudder or vibration during acceleration
  • Poor engine response at low RPMs

Installation Notes and Tips

Ensure the torque converter is properly seated on the transmission input shaft and fully engaged with the pump before installation. Verify the 4-pad mounting aligns correctly with the flexplate bolt pattern. Check spline engagement and pilot diameter fit to avoid misalignment. It is recommended to replace transmission fluid and filter during installation to maintain optimal performance. Professional installation is advised to ensure correct torque specifications and prevent damage.

Quality Assurance and Warranty

TC Remanufacturing provides this B84PIN torque converter with a warranty covering defects in materials and workmanship. The product undergoes rigorous remanufacturing processes to meet OEM specifications, ensuring reliable performance and durability. For detailed warranty terms, refer to TC Remanufacturing's official documentation.

BrandTC Remanufacturing
Part NumberB84PIN
Bolt Circle9.875
Converter Diameter11.250
Converter TypeLock Up W/ On/Off
Hub TypeNo Drive
Mounting Type4 Pads
Pilot Diameter0.825
Ring GearNo
Spline Count30
StallLow Stall

This part fits 61 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011BuickLucerne4.6LV8N/A
2011CadillacDTS4.6LV8N/A
2010BuickLucerne4.6LV8N/A
2010CadillacDTS4.6LV8N/A
2009BuickLucerne4.6LV8N/A
2009CadillacDTS4.6LV8N/A
2008BuickLucerne3.8LV6N/A
2008BuickLucerne4.6LV8N/A
2008CadillacDTS4.6LV8N/A
2007BuickLucerne3.8LV6N/A
2007BuickLucerne4.6LV8N/A
2007CadillacDTS4.6LV8N/A
2006BuickLucerne3.8LV6N/A
2006BuickLucerne4.6LV8N/A
2006CadillacDTS4.6LV8N/A
2005CadillacDeVille4.6LV8N/A
2005PontiacBonneville4.6LV8N/A
2004CadillacDeVille4.6LV8N/A
2004CadillacSeville4.6LV8N/A
2004PontiacBonneville4.6LV8N/A
2003CadillacDeVille4.6LV8N/A
2003CadillacSeville4.6LV8N/A
2003OldsmobileAurora4.0LV8N/A
2002CadillacDeVille4.6LV8N/A
2002CadillacEldorado4.6LV8N/A
2002CadillacSeville4.6LV8N/A
2002OldsmobileAurora4.0LV8N/A
2002OldsmobileAurora3.5LV6N/A
2001CadillacDeVille4.6LV8N/A
2001CadillacEldorado4.6LV8N/A
2001CadillacSeville4.6LV8N/A
2001OldsmobileAurora4.0LV8N/A
2001OldsmobileAurora3.5LV6N/A
2000CadillacDeVille4.6LV8N/A
2000CadillacEldorado4.6LV8N/A
2000CadillacSeville4.6LV8N/A
1999CadillacDeVille4.6LV8N/A
1999CadillacEldorado4.6LV8N/A
1999CadillacSeville4.6LV8N/A
1999OldsmobileAurora4.0LV8N/A
1998CadillacDeVille4.6LV8N/A
1998CadillacEldorado4.6LV8N/A
1998CadillacSeville4.6LV8N/A
1998OldsmobileAurora4.0LV8N/A
1997CadillacDeVille4.6LV8N/A
1997CadillacEldorado4.6LV8N/A
1997CadillacSeville4.6LV8N/A
1997OldsmobileAurora4.0LV8N/A
1996CadillacDeVille4.6LV8N/A
1996CadillacEldorado4.6LV8N/A
1996CadillacSeville4.6LV8N/A
1996OldsmobileAurora4.0LV8N/A
1995CadillacDeVille4.6LV8N/A
1995CadillacEldorado4.6LV8N/A
1995CadillacSeville4.6LV8N/A
1995OldsmobileAurora4.0LV8N/A
1994CadillacDeVille4.6LV8N/A
1994CadillacEldorado4.6LV8N/A
1994CadillacSeville4.6LV8N/A
1993CadillacEldorado4.6LV8N/A
1993CadillacSeville4.6LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.