Replacement alternator (optional 12V, 35 amp) for Yanmar eninges 1GM, 2GM, 3GM, 3HM.
Replaces Yanmar 128270-77200. Early style, big,
can use 60amp 128271-77200 (replaces 55amp 129772-77200).
This is a non-OEM, aftermarket part REC 128270-77200 (PH300-0005)