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06-06-2011 10:35 PM
Pater
I've just located a "15year old" A4 that has been run with a heat exchanger since new. Having been down the path of buying an engine that was too long once before, I'd like to be sure that this 'new one' will fit. My dilema is that the 'Model # on the head of my old engine says UJ 1, but theres a UJ 5 on the casting just in front of the transmission cover plate. Which is the right #?