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MG MGA - Wrong water pump?

I've been keeping a spare water pump for years as a replacement but I had a closer look at it the other day and found that its longer than my MGA pump - the length from pulley flange to base is about 10.5 cm. Everything else looks the same so if its not MGA can any sharp eyed member identify it?


J H Cole

Been thinking about this one JH, I believe that the early MGB water pump is longer than the std MGA one.
I have noticed that in my A which has an early 3 bearing MGB engine fitted, the radiator has had to be spaced forward a little to clear the water pump fan pulley.
I understand that the pump fits and works fine but you may have fan clearance/ radiator issues if you use it.
Can anyone else confirm this?

Colyn
Colyn Firth

I have an early B engine in my MGA and when the pump failed I ordered a B pump to replace it only to find that the failed pump was from the MGA and the new pump was too long. It took a further two goes to get the right pump. So there are at least 3 slightly different ones and only the MGA one actually fits
G Derham

From my experience with fitting an 1800 to my "A", selecting the correct pump is not just getting a pump that fits behind the radiator. It's also getting a pump that allows the pulleys to align.

Ken
k v morton

Thanks for responses, I'll post it on the MGB site and see if those guys recognize it.
J H Cole

This thread was discussed between 01/02/2011 and 04/02/2011

MG MGA index

This thread is from the archive. The Live MG MGA BBS is active now.