24212327 GM At solenoid valve

What is this part?

The GM AT solenoid valve 24212327 is a genuine OEM automatic transmission control component that regulates hydraulic fluid flow within the transmission.

What does it do?

This OEM AT solenoid valve opens and closes hydraulic circuits in response to signals from the transmission control module (TCM). It controls gear shifting, clutch engagement, line pressure, and torque converter operation to ensure smooth and precise transmission performance. A genuine GM AT solenoid valve is manufactured to factory specifications for accurate response time, flow control, electrical resistance, and durability under high temperature and pressure.

When to replace

The GM AT solenoid valve 24212327 should be replaced if there are symptoms such as delayed or harsh shifting, slipping, failure to engage certain gears, transmission fault codes, or electrical malfunction. A faulty solenoid valve can disrupt hydraulic control, reduce drivability, and accelerate transmission wear. Installing a genuine OEM AT solenoid valve restores proper hydraulic control and shifting performance.

Compatibility

The genuine GM AT solenoid valve 24212327 is compatible with selected GM automatic transmissions. Compatibility depends on transmission model, solenoid function (shift, pressure control, lock-up), electrical connector type, and model year. Always verify the part number 24212327 before purchase to ensure correct fitment.

Installation: DIY or service?

Installation of the genuine OEM GM AT solenoid valve 24212327 is not recommended as a DIY task in most cases. Replacement typically requires removal of the transmission oil pan, valve body access, fluid replacement, and adaptation or relearn procedures. Professional installation is strongly recommended to ensure correct operation and transmission longevity.