Genuine NGK 3410 B4-LM Copper Core Spark Plug Lawnmower
Superseded to part # NGK 4133
NGK standard plugs are constructed for longer life and optimum performance.
Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
Corrugated ribs prevent Flashover
Pure alumina silicate ceramic Insulator, provides superior strength and better heat transfer
Copper Core aids in heat removal
Triple seals prevent leakage
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