2005-2015 GM T42 TCM for 4L60e, 4L65e, 4L70e, and 4L80e AcDelco 24252114



Engine Year

Donor Vehicle

Transmission * 

Gear Ratio (Example – 3.73)

Tire Size or Height (Example 275/40/17 or 28″ Tall)

Order Number/Invoice Number of Harness Purchase (Annotate “Current Order” If Purchasing Harness Along With TCM)

Be Advised We DO NOT Provide Tuning Without Purchase Of Harness or Rewire Service


SKU: T42TCM Category: Tags: ,