BENZ crown and pinion 20100316091427 Aumell is a manufacturer who specializes in ZF series and MB gearboxes spare parts such as gear ,shaft and synchronizer ( synchronizer cone ,synchronizer flange and sliding sleeve). Our parts are suitable for heavy-duty trucks such as Mercedes ,Benz, Scania and MAN.If there is not the certain one you want,we can make it according to your samples or drawings.