What components do I need to upgrade a standard Hitachi-80ah installed on a Yanmar 3JH5E? Balmar 604-120-K6 Alternator -12 Volt 120 Amp K6 Pulley 6 Series Dual 4 inch Foot Mount

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What components do I need to upgrade a standard Hitachi-80ah installed on a Yanmar 3JH5E? Balmar 604-120-K6 Alternator -12 Volt 120 Amp K6 Pulley 6 Series Dual 4 inch Foot Mount

Looking for an upgrade to 120ah alternator replacing my current Hitachi 80ah installed in a Yanmar 3JH5E year 2013..
Please confirm if the Pulley Kit p/n 48-YSP-3JH-A and alternator 604-120-K6 are the correct components for the project.

Status: Open Apr 15, 2024 - 06:35 AM

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Apr 15, 2024 - 06:35 AM

Yanmar's use an alternator with a dual foot mount where the feet are 3.15" apart. This 604-120 alternator is a dual foot alternator with the feet 4" apart so it is not correct. You would need a 60-120 alternator for this as well as a pulley kit. Here are the parts: