2 Wire Tilt & Trim Motor With Pump | API Marine PT475TN-4 Replacement tilt/trim motor & pump assembly used on various model Mercury/Mariner outboards with Design 1, 3-RAM side fill integral tilt/trim systems. 12 volt tilt/trim motor and pump assembly Fits 1985 thru 1992 Mercury/Mariner 35-225 H.P. Outboards with Design 1, 3-RAM side oil fill tilt/trim systems 2-wire connection Includes mounting bolts and wire harness Replaces round Prestolite motor and square Eaton 2 wire connection motor Replaces Mercury 99186, 99186-1 and 99186T