Federal-Mogul Corporation

United States

Champion M18 Industrial Spark Plug


Champion M18 Industrial Spark Plug

Champion M18 Industrial Spark Plug RM77N
Champion M18 Industrial Spark Plug RM77N
Sales part numbers: 519, 640, 641
Material: center electrode - copper-cored nickel
SuppressorShielding: Sac-9
Ground electrode: 4-GE, nickel
Shell thread: 18 mm
Terminal thread nut: threaded with knurl
Reach (inch): 0.531
Hex (inch): 0.875
Available gap (inch): 0.0180 - 0.0220
Reach (mm): 13.49
Hex (mm): 22.23
Available gap (mm): 0.4572 - 0.5588
Core nose length (inch): 0.242
Electrode max. operating temperature (F): 1700 F
Overall length: 3.4 in.


  • BRAND : Champion
  • Series : RM77N
  • Product Category : Ignition - Spark Plugs


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Contact Details

Southfield, MI 48033, , United States

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