Mercury 25-21720 25-45253 25-45254 Outboard Remote Trim Pump O-Ring Set 45197A2 Complete Upper & Lower Gearcases Will work on many years

Will work on many years and models

This is basically for all V4 Gearcase Outboards (1974-1999) (more or less 85hp-120hp)

10022 10023 10302E 10303E

0202155 / 202155 Spring

Mercury 25-21720 25-45253 25-45254 Outboard Remote Trim Pump O-Ring Set 45197A2 Complete Upper & Lower Gearcases Will work on many yearsPart Number(s) Included Mercury 25 26834 > 25 21720 > 25 48171 (X5) The general parts diagrams you see online will say that this requires 4 of these for the top and then will not give a part number for #12 which from the hard copy manuals is also 25 21720 Mercury 25 45253 (x2) Mercury 25 45254 (x1) General Application Compatibility For Mercury Prestolite Trim Pumps (Square Reservoir) which is the standard trim pump found on most MerCruiser