alternators

We are planning several sailing trips next summer to places where I likely can't buy parts or get mechanical help, so I'm trying to proactively fix/replace/learn to repair anything I can on our E30+ boat with the 16 hp 5416 engine. Can anyone give me an approximate life span of the 55 amp...

Hello All, I am currently researching upgrading my alternator and regulator on my '83 E38. After doing a bit of reading it seems worth my while to go with a true "marine" alternator and smart regulator. I have looked at the Balmar product but it is pricey and I get the feeling that I am...

I'm shopping a Balmar Alternator and was wondering if anyone had a line on the best price for a 621-70. Called Defender and they want $449.96, which is like retail and sort of surprised me. Port Supply wants $385.00, but I can't seem to find anyone else selling them, especially online, which...

What size and make alternator are you folks using on your Universal M-40s? I am planning to upgrade the older unit I have now and am looking for some feedback. I will probably go with a Balmar and shoot for the 100-125amp range. Not sure if I can get a 3/8" belt model that big yet... I just...