Mercury Lower Unit Gear Lube Drain and Fill Hole Screw Seals 19183K02 includes four gaskets that fit 3/8‑16 drain/fill screws.
Fits all MerCruiser engines and most Mercury/Mariner outboards except Verado and those of Japanese origin
For use with the 3/8‑16 drain/fill screw found on gearcases and drives
Includes 4 gaskets
Mercury parts and accessories are backed by decades of experience in engineering, testing and manufacturing to provide the best fit, function and performance