Denso

4099

Denso 4099 Spark Plug

EAN: 0042511409903

UPC: 042511040991

Spark Plugs & Wires

Denso # 4099
Denso Traditional Nickel Spark Plug
NOTE: Plug has threaded terminal stud and does not contain terminal nut. If terminal nut is needed, order part#067606-0051
U-Groove Ground Electrode

Denso's standard plugs have always offered a patented U-groove ground electrode producing for a larger, hotter spark. Copper core for better thermal conductivity. Machine rolled threads to reduce cross-threading and seizing . The plug insulator is constructed of purified alumina powder for extreme stress with 5 ribs to prevent flashover.

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