Zinc anodes for rudders and trim tabs are disc shaped plates of zinc designed to minimize corrosion around your boat's metal rudders and trim tabs. Select from a variety of sacrificial zincs ranging from 1-7/8 inch to 6-1/2 inch diameter by referring to the chart below. Made by Martyr.
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Martyr Zinc part
This is a pair correct?
I have a slip at yacht club,boats in vicinity have plug in sure power running all season, I use 3 zincs on prop shaft and rudder, also use a grooper zinc and have no problems with electrolysis.
Yes they are sold as a pair. They worked very well for me
I would describe the round zinc anodes as 2 halves. They can act as a sandwich when bolted to a metal trim tab, one half on the top and the other half on the bottom. Both would be exposed to the water. If they are used on a surface that is exposed only on one side to water, then you would only need to use one half of this zinc and bolt it to the water side, with the spare half stored and available for the next season.
It's not really a pair. It's two pieces that make one unit.One piece goes on the bottom of the tap and the other goes on the top. So you would need to order two for your trim taps.
Yes, there are two halves with a stainless steel nut and bolt to join them
This is a pair good for each side of one rudder
GERARD MC EVILLY
Do these zincs include mounting screws?
Mine came with stainless steel allen head bolts with the nut mounted in the top half
No mounting screws. The zinc's require a mounting hole to be drilled in the trim tab to receive the zinc. the screw that attached the two sections is also the mounting screw to hold the zinc in place.
right part and arrived qiuckly
works and saved money
west islip, NY
Long Island, NY
I own a late model Bayliner , parts are hard to get sometimes. The anodes on my trim tabs were really in bad shape. They were a perfect match and fit