Mercury - Quicksilver Trim/Tilt Motor OMC Replacement Series 12-Volt 8M6007539. Overview. There's a certain comfort that comes from knowing your trim and tilt system responds instantly every time you bump the switch. When you're easing away from the dock, lining up for a smooth holeshot, or trimming in to handle a stiff afternoon chop, you depend on that movement to be steady and reliable. The Quicksilver 8M6007539 Trim/Tilt Motor brings back that sense of trust-the kind you only get from gear t