====== GM MAF Part Numbers ====== Here you will find the part numbers for the GM MAF sensors we've used in our testing and calibrating of ECMLink's integrated GM MAF functionality. ^GM MAF ^ GM PART # ^ ACDELCO # ^ |GM 3.0" | 25180303| 213-352| |GM 3.5" | 25179711| 213-353| |GM 3.75" | 25318411| 213-4160| Those part numbers can be referenced to other part numbers or ordered directly off the [[http://rockauto.com/|rockauto.com]] site (just one of many sites you can find these airflow sensors on).