Kubota “L3300, L4200, M5700DT-CAB & ME5700″ Piston Kit. Part Number – 1907721770. This listing is for a replacement piston kit which is listed as applicable for use on the following Kubota “L Series” models. L4200 DT, DN, GST & HST. If you are unsure whether this is the correct item for your machine, please supply us with your details and we will attempt to confirm correct fitment for you. This item is supplied with it’s original packaging and the item is supplied in new condition having not been fitted before.