2004 GMC Envoy - Spark Plugs

Denso Iridium Long Life Spark Plug - 3539

Part #:

3539

Line:

DEN

Denso Iridium Long Life Spark Plug

1 Year Limited Warranty

Seat:   Tapered

Thread Size:   M14

Heat Range:   16

Hex Size (mm):   16mm

Hex Size (in):   5/8 Inch

Preset Gap (mm):   1mm

Center Electrode Core Material:   Copper

Center Electrode Tip Material:   Iridium

Approximate Resistor Value (Ohm):   5000 Ohm

Ground Electrode Tip Material:   Copper

Thread Reach (mm):   25mm

Metallurgy:   Iridium

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