Quicksilver 19183Q02 Lower Unit Gear Lube Drain and Fill Hole Screw Seal
The Quicksilver Drain Screw gasket is used with the 3/8‑16 drain/fill screw found on all MerCruiser and most Mercury/Mariner outboards except Verado and those of Japanese origin.
Mercury 25W-40 Marine Engine Oil features high-tech, advanced anti-wear additives that provide up to 35% better camshaft wear protect.
Designed to maintain engine reliability and performance, tests have shown that Mercury 25W-40 Marine Engine Oil holds its viscosity ratings longer in....
Mercury Oil, combined with a Mercury Oil Filter will offer optimum marine engine protection..
NOTE: It is recommended that boat owners change their engine oil annually or as noted in their owners manual..