NGK BR5HS Spark Plug Stock Number 3722
SKU: BR5HS
By NGK
This spark plug fits the following outboards:
Mercury Two Stroke
- 3.9 (39) 1655013 - 2498135
- 4 (40)(1 cyl.) 2498136 - 2771621
To confirm compatibility, please check with your owner's manual.
NGK standard plugs are constructed for longer life and optimum performance.
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Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
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Corrugated ribs prevent flashover
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Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
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Copper core aids in heat removal
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Triple seals prevent leakage