AC Delco 4L65E TCC Lock-Up Solenoid - 24219819-65

AC Delco 4L65E TCC Lock-Up Solenoid - 24219819-65

Genuine AC Delco Torque Converter Clutch solenoid for GM 4L65E automatic transmissions. The TCC solenoid controls the lock-up clutch in the torque converter which is essential for fuel efficiency at highway speeds and preventing transmission overheating during sustained driving conditions. Proper TCC operation reduces fluid temperatures significantly.

A failing TCC solenoid causes shudder during converter lock-up, diagnostic trouble codes P0742 or P0741, and can lead to premature torque converter failure from excessive heat generation. This OEM replacement ensures proper converter clutch engagement timing and smooth highway driving. The TCC solenoid should always be replaced during rebuilds as a preventative measure.

• Genuine AC Delco quality
• Controls torque converter lock-up
• Eliminates TCC shudder and codes
• Direct replacement with no modifications
• Proper PWM signal response
• Essential rebuild replacement item

Fitment: GM 4L65E Automatic Transmissions

All parts sold by Core Transmission Supply ship from our facility with quality inspection. Professional installation recommended for optimal performance and longevity.