Hi again Jim,
Again I already came across this one - part no - MNA 7390 AA - it does look similar, but there are a couple of differences - the "fly-away" pipe is on the wrong side of the core, and the small diameter pipe on the other side does not extend across the top of the core, as per the pattern one - the OE number I require is MNA 7390 BA, and it's hard to believe that just one digit difference can make it the wrong part! However, I do appreciate your replies, and I've had a couple of replies from breaker searches (one of which is a new component) which look promising - can't check them until Monday though. Thanks again,
Brian