Quick Summary
The Tecnoseal R3 is a zinc rudder anode with a 3-3/4 inch diameter. It is a rudder anode, so the main buying checks are the exact size and the metal type named for the part.
What to Compare Before Buying
- Diameter: This part is listed at 3-3/4 inches in diameter. Compare that size with the space on your rudder or the replacement part you are matching.
- Material: Zinc is part of the product name. If you need a zinc anode, confirm that this matches the requirement for your application.
- Part identity: The model is R3. Check that the part number matches the exact replacement you need.
Before You Decide
Confirm the R3 model, the 3-3/4 inch diameter, and the zinc material before choosing an offer. If you are replacing an existing part, match it to the same size and model designation.





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