Join Date: Nov 2008
Location: Penobscot Bay, Maine
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Re: What was Westerbeke in a former life ?
With my Westerbeke 27, the giveaway is the Mitsubishi engine and serial numbers embossed on the block in the area where the throttle controls are. It's a Mitsubishi K4D. If yours is not a mitsu, it's got to be another make--I don't think W'beke made any of their own, as you probably know. I think I heard that some were Kubotas but could be mistaken about that.
Aside from the cooling system components and a few other things, like the alternator, the engine parts should for the most part be interchangeable.
You might try comparing individual part numbers between makes. I seem to recall the mitsu and w'beke part numbers were the same. And they can be a lot cheaper if you don't have to buy from w'beke.