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RL87YC - Champion Spark Plug ( #327)

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$5.27

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Part Number
RL87YC

Manufacturer
Champion

Plug Type RL87YC
Seat Type Gasket
Hex Size (Inch) 0.813
Hex Size (MM) 20.650
Thread Size (Inch) 0.551
Thread Size (MM) 14.000
Thread Reach (Inch) 0.5
Taper Diameter (Inch) 0.31
Installed Height (Inch) 2.24
Insulator Projection (Inch) 0.06
Gap (Inch) 0.037-0.043
Gap (MM) 0.94-1.09
Center Electrode Diameter (Inch) 0.1
Center Electrode Material Nickel Copper Alloy
Ground Electrode Material Nickel Copper Alloy
Ground Electrode Quantity 1
Classification Champion Copper Plus Small Engine
Resistor Plug Yes
Resistor Type SAC-9
Manufacturer Heat Range 87
Electrical Terminal Type Removable Nut

Technical information (PDF)
Warranty (PDF)
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Champion Champion Plug (#327) Rl87yc is equivalent to parts:

  • 8M0182857 Mercury Marine
  • 813423 Mercury Marine
  • 19796 Mercury Marine
  • 33813423 Mercury Marine
  • 33 19796 Mercury Marine
Champion Catalog Online


Champion spark plugs use an extruded copper core in the center electrode that maintains accurate control of heat range, optimizing the performance and longevity of the spark plug. This not only will provide you with a dependable start but gives you the confidence that you'll keep going.

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