carbon-ceramic mechanical seal
Must use this seal to properly seat the drain/fill hole screw in the lower unit
while eliminating loose parts that can fall in the water
the transducer cap is dialed-in and locked in place for a straight-down beam and maximum echo returns
making the boat easier to control
Upper Seal Kit OMC/Cobra shurlok carbon-ceramic mechanical sealIncludes: Water Pump Base Gasket O. E.# 911698, Water Cover Gasket O. E.# 911733, Grommet O. E.# 911705, Oil Seal O. E.# 911685, Oil Seal O. E.# 911701, 916058, 915000, Rubber Seal O. E.# 911704, Water Pump Housing Gasket O. E.# 911702, Outdrive Gasket O. E.# 915840, Seal O. E.# 911823, O Ring O. E.# 313175, O Ring O. E.# 303067, O Ring O. E.# 318717(2), O Ring O. E.# N A (2) O Ring O. E.# 911686, O Ring O. E.# 909316, O Ring O. E.# 911700