A big relief to finally get the correct water pump direct from Kubota. Our thanks to John who fixed it and Mat who organised it at Tooly's in Banbury. Adrian at Beta helped to sort out the confusion.
Listen to your engine with the covers off every now and then. Mine was telling me something and it was John who told me what it was saying! We are lucky the water pump never actually leaked. With the new pump fitted the engine purrs quietly.