Nanni Diesel genuine replacement parts. We stock a wide range of parts which are available off the shelf from our Westhaven branch. We courier same day Auckland metro, or overnight nationwide. Why buy genuine Nanni Diesel Parts? You've bought the best, so keep it the best. Please provide your engine model number when ordering parts (Item A in diagram - eg N4.100). This can be found on a plate usually on the bell housing at the rear of the engine.