TC Remanufacturing TO80 Automatic Transmission Torque Converter

Automatic Torque Converter for Lexus V8 Applications

TC Remanufacturing TO80 is an automatic transmission torque converter built for select Lexus rear-wheel-drive applications with a lock-up design and low stall characteristics. It matches the listed converter codes and mounting specifications for accurate replacement in supported vehicles.

Key Features

• Part number: TO80
• Automatic transmission torque converter
• Lock-up converter type
• Low stall setup for controlled engagement
• 11.800-inch converter diameter
• 9.500-inch bolt circle
• 6-pad mounting type with 9mm x 1.25 mounting thread size
• Slotted hub type
• 20-spline count
• 1.257-inch pilot diameter
• No ring gear
• Converter codes: A080A, 5A1

Detailed Description

TC Remanufacturing TO80 is an automatic transmission torque converter for Lexus LX470, GS400, LS400, and SC400 applications listed below. The lock-up design helps maintain efficient drivetrain coupling, while the low stall specification supports smooth takeoff characteristics in the intended transmission setup. With an 11.800-inch diameter, 9.500-inch bolt circle, 6-pad mounting pattern, slotted hub, and 20-spline configuration, this unit is specified for direct replacement use where the original converter matches these dimensions and codes. Fits 1998-2002 Lexus LX470, N/A, Converter Codes: A080A, 5A1. Fits 1998-2000 Lexus GS400, N/A. Fits 1998-2000 Lexus LS400, N/A. Fits 1998-2000 Lexus SC400, N/A. This part number, TO80, is the reference to verify against the original converter and transmission identification before installation.

What It Helps Resolve

• Shudder or slip caused by a worn lock-up torque converter
• Delayed or inconsistent launch feel from a failing converter
• Vibration related to internal converter wear
• Transmission performance issues tied to incorrect converter codes
• Fitment problems when the original unit uses the A080A or 5A1 code

Installation Notes and Tips

Confirm the original converter code, bolt circle, spline count, pilot diameter, and mounting pattern before installation. Verify transmission compatibility and compare the removed unit to TO80 to ensure the hub style, diameter, and pad configuration match the application. Proper transmission flushing and inspection of related components are recommended during replacement to help protect the new converter and the transmission system.

Quality Assurance

TC Remanufacturing supplies transmission hard parts with application-specific specifications for accurate replacement selection. Use the listed dimensions and vehicle fitment to confirm the correct part before service.