NEW! GM 5L40/50-E TCC Regulator Valve Kit

Wear at the TCC regulator valve bore in GM 5L40 and 5L50-E transmissions can cause multiple issues including delayed/no Reverse, overheated transmission/converter, poor fuel economy, TCC apply concerns and TCC solenoid damage. Effectively eliminate these problems with the all-new Sonnax TCC regulator valve kit 55211-24K.

Kit features:

  • Highly wear-resistant materials
  • Spring calibrated to match OE operation
  • Solenoid protector to eliminate solenoid screen damage