TECNOSEAL Mercury 20 HP Plate Zinc Anode '70-'77, 450-00803, 47820A 1 -

TECNOSEAL Mercury 20 HP Plate Zinc Anode '70-'77, 450-00803, 47820A 1 -

Marsoni

M251S

$17.97

Get it in 3 business days with 1 day shipping. Friday, May 29

TECNOSEAL Mercury 20 HP Plate Zinc Anode '70-'77, 450-00803, 47820A 1 -ITEM#: 450 00803PLATE ANODEMERCURY 20 HP 70 77OEM#: 47820A 1BRAND: TECNOSEAL FITMENTS: Make Model Year(s) Mercury 2 Cyl 2. 565 Bore Cross Flow 20 1970 1977 NOTE: PLATE FOR ENGINES For more information on our policies please click the Shipping and Payments tab or to ask a question click our store name for our home page.

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Got this to replace cabin air filter on 2020 Honda Civic Sport, as it said it was a direct fit… It does fit but not perfectly! Holding it next to the filter you can see the size difference, with the original being slightly longer. I noticed a whistling sound from the AC at full blast right after install. I believe this noise is caused by the small gap left in the retainer box with the slightly smaller filter. Luckily it is not incredibly loud, but it’s still there. The quality of filtration seems to be much better than stock filter, but the fitment not exact for vehicles mentioned above.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 17, 2026

Verified Purchase

Bon43

Belleville, US

★★★★★ 5

Awesome

Easy to install. Fit appropriately. Value for the money for sure.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on September 26, 2025