Sierra 18-9779 Lower Unit Gear Lube PumpMake changing your gear lube a snap with this handy gear lube pump.Supersedes 19-9781 Quart size application is perfect for most marine drives; Attaches to quart gear lube bottle and then screws into your lower unit.; For use with most MerCruiser, Mercury, Johnson, Evinrude, OMC, And Volvo Drives.; Includes lube fitting for domestic lower units with flexible fill line.; Replaces: Mallory; 9-81002; Mercury Marine; 91-8M0072133;