ST120 Engine Replacement

[bisso]

Hi, has anyone recently replaced their engine in a Bolens st120. Currently has a dead 12hp I/C Briggs, looking to put a new one in. Anyone know know what fits and what does not fit? Any help appreciated

 

[ILENGINE]

Get me the model, type, and code off the engine and I will be able to look up any replacement engine availability on the briggs dealer site.