Anybody ever hear of upgrading a 3JH3E Yanmarengine to except a much bigger 4JH4E oil filter? I bought this boat and I have two spare filters (one for a 4J and one for a 3J). Currently there is a 4J filter installed on the engine.
Can't see any reason for going to a larger filter. If a the smaller gets plugged then one has other major issues to deal with.
You never know what's in the mind of people. The larger filters aboard may have been the only thing available at the time in an isolated place.
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