Alternator Belt – Fits Yanmar 1GM10 (Replaces 128170-77350) Sea Sierra Torque all bolts to the

Torque all bolts to the manufacturer's specified values

Constructed from UV-protected and waterproof vinyl

Proper fitment depends on matching these details precisely

The kit provides everything needed for a full water pump rebuild

Test run the engine on water

Alternator Belt – Fits Yanmar 1GM10 (Replaces 128170-77350) Sea Sierra Torque all bolts to theProduct Details This aftermarket Alternator Belt Fits Yanmar 1GM10 Marine Diesel Engine (Replaces 128170 77350) is designed for single cylinder Yanmar 1GM10 marine diesel engines (9 HP, 4 stroke) manufactured between 1983 and 2009. It serves as the essential accessory belt driving the alternator and water pump. It directly replaces Yanmar part numbers 128170 77350 and 128170 77350E, as well as several aftermarket equivalents including Gates 6560MC,