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 rockauto.com site (just one of many sites you can find these airflow sensors on).