Sea-Dog 520042-1 Garboard Drain Plug FHWASH3 Some of these older GPS

Some of these older GPS sensors have suffered from technical issues with the GPS rollover changes which can render chart plotter systems useless

Patent number US7114283

Seakamp Oil Cooler with o Zinc 1" Water 3/8" Oil 2" X 6"

The Clipper Compass is a fully electronic compass with remote fluxgate sensor

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Sea-Dog 520042-1 Garboard Drain Plug FHWASH3 Some of these older GPSDie cast bronze Garboard Drain & Plug provides drainage for bilge during haul out. 1 2 NPT tapered thread plug provides a watertight seal with 2 diameter flange. Plug has a square T top for manual tightening or removal. Installs with three #10 FH fasteners (not included).