X44 Factory-verified
Also described as Parts, North America sourced and shipped to outside supplier and checked (GMCL controlled)Parts, North American, sourced and shipped to outside supplier and checked (GMCL controlled)
Also documented for BuickChevroletOldsmobile
Documented applications
This page aggregates every documented appearance of X44 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.