Denso

Q20R-U11

Denso Q20R-U11 Spark Plug

EAN: 5053999254164

UPC: 700000132915

Spark Plugs

Denso Part #3139
Increases engine performance and throttle response
Efficient fuel consumption
Improved cold-starting
Stable combustion during idling

Denso Spark Plug 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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