Yanmar 2YM, 3YM20, 3YM30 Alternator V-Belt, Part Number 129612-42290E
This is the main V-drive belt on the 2YM15, 3YM20, and 3YM30 where fitted.
For Yanmar diesel engines: 2YM, 3YM20, and 3YM30 using an Alternator V-Belt.
Newer model YM engines require a flat serpentine belt, 128790-77580
Yanmar Part Number 129612-42290E
