Engine Identification
WARNING: This page is about a different car, the 2016 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of GENERAL MOTORS COMPANY
NOTE:
The engine identification number must be stamped to the cylinder block in case of engine replacement.
The engine identification code (1) is stamped on the flattened area of the cylinder block, at the transmission side.