Garmin 4-Pin Transducer to 8-Pin Sonar Port - 010-12721-00

Garmin 4-Pin Transducer to 8-Pin Sonar Port - 010-12721-00

Marsoni

M251S

$28.99

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

Garmin 4-Pin Transducer to 8-Pin Sonar Port - 010-12721-004 Pin Transducer to 8 Pin Sonar Port Connect a 4 pin transducer to an 8 pin sonar port on your compatible marine device with this adapter cable.

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Exactly as described at a decent price. I've found over my decades of doing my own tune ups, the one thing you can't skimp on when tuning up your vehicle, plugs and its shows if you do. Out of the box, all 4 were gapped correctly. Ease of installation depends on your vehicle and ones mechanical ability with PATIENCE. 100% compatible with my vehicle, be sure to match you numbers. Overall 5 stars for performance and price.

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Reviewed in the United States on May 14, 2026

Verified Purchase

APTYP

Grantham, US

★★★★★ 5

💯% Authentic NGK Made in Japan.

Got these for my 2016 Subaru Crosstrek. You can't go wrong with NGK, these are 💯% AUTHENTIC, and made in Japan, unlike other NGK plugs that may be sold by other sellers which could be made in Thailand. The Subaru Crosstrek is running like a brand new vehicle after I put these puppies in it.

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Reviewed in the United States on December 23, 2025

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Britton Home Improvement

Carnegie, US

★★★★★ 5

buy these!!

these are legit original NGK, superior plugs, will buy again

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Reviewed in the United States on May 4, 2026

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Anonymous User