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551-33CV - Filler Vent Check Valve
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551-33CV - Check Valve Assembly
Calibrated check valve creates air-lock to keep lubricant from running out while you install drain plug.
*Includes 4’ Hose
NOTICE: This unit comes with a threaded nozzle which fits most Chrysler, Force, Johnson/Evinrude, Mariner and Mercury outboards.
If an adapter is required, please order as follows:
Application Part Number
Mercruiser Outdrive 551-334M