Sierra 18-3016-1 Impeller Kit.
Includes O-Ring
Fits: MCM 4.5L MPI
2000 & newer MCM V-6 & V-8 (305, 350 & 496) engines w/the brass sea water pump
Replaces OEM: EMP 47-09201, Mallory 9-45310, Mallory 9-45310-10, Mercruiser Stern Drive 47-862232A2, Quicksilver 47-8M0104229
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