OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
P/N 31100 (2 units) $12.95 us
P/N 31100 (2 units) $17.89 cdn
P/N 32170 (2 units) $12.95 us
P/N 32170 (2 units) $ 11.89 cdn
P/N 89760 Impeller.
Replaces OEM 777130, Sierra 18-3086, 915272, Mallory 9-45281.
P/N 22410 Low profile water pump shaft (5 inches).
Replaces OEM 909753, Sierra 18-2185.
P/N 22411 High profile pump shaft (8 inches).
Replaces OEM 908087, Sierra 18-2184.
P/N 12390 Impeller housing.
Replaces OEM 983298, Sierra 18-3119.
P/N 86100 Drive shaft seal.
Replaces OMC 907774.
P/N 89595 Water pump key.
Replaces OMC 308928.
P/N 12590 Wear plate.
Replaces OMC 313178.
P/N 508235 Gasket compound.
When installing water pump kit, use this compound on the ball gear O-rings and lower unit shifter gaskets.