Spark Plug, 0.023 to 0.028 in Fill Gap, 0.709 in Thread, 7/8 in Hex, For: Lawn and Garden

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Champion D-21 Spark Plug, 0.023 to 0.028 in Fill Gap, 0.709 in Thread, 7/8 in Hex, For: Lawn and Garden

Item #: D-21 by FEDERAL MOGUL CORP

UPC #: 037551649891

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Hex Size

7/8"

Thread Size

0.709"

Nomenclature

D-21 TRACTOR SPARKPLUG

Electrode

Nickel Copper Alloy

Fill Gap Size

0.023 to 0.028"

TRACTOR SPARKPLUG
Specifications:

Suitable for: Lawn and Garden

Patented high voltage semi-conductor resistor for maximum EMI suppression. Copper core center electrode reduces engine misfire caused by fouling. Triple seal assembly with upper and lower metal gaskets and sillment seal, eliminates spark plug failure due to heat or mechanically induced stress. Triple-coated shell, Tintac and Ultraseal over zinc plating resist corrosion and spark plug seizure.