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RV9YC - Champion Spark Plug ( #400)

Champion RV9YC - Champion Spark Plug ( #400)

List Price
$4.99

Your Price
$4.35
You save $0.64

Add to shopping cart10+ In Stock.

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SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY

Part Number
RV9YC

Manufacturer
Champion

Replaces OEM 0507669.

Plug Type RV9YC
Seat Type Tapered
Hex Size (Inch) 0.625
Hex Size (MM) 15.880
Thread Size (Inch) 0.551
Thread Size (MM) 14.000
Thread Reach (Inch) 0.441
Taper Diameter (Inch) 0.31
Installed Height (Inch) 2.2
Insulator Projection (Inch) 0.06
Gap (Inch) 0.032-0.038
Gap (MM) 0.81-0.97
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 9
Electrical Terminal Type Removable Nut

Technical information (PDF)
Warranty (PDF)
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Champion Champion Plug (#400) Rv9yc is equivalent to parts:

  • 507669 Evinrude Johnson OMC BRP
  • 8M0204752 Mercury Marine
  • 898264001 Mercury Marine
  • 59571B Mercury Marine
  • 400S Mercury Marine
  • 400 Mercury Marine
  • 33898264001 Mercury Marine
  • 33 59571B Mercury Marine
  • 33   400S Mercury Marine
  • 33   400 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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