ChampionIridiumPlugs.com: Champion 18C2 RV15YC4 Nickel Spark Plug Replacement Information
Amazon.com: Champion RV15YC4 Pack of 4 Spark Plugs : Automotive
Champion RV15YC - Alternative spark plugs
Amazon.com: Champion RV15YC4 Pack of 4 Spark Plugs : Automotive
Champion Copper Plus Spark Plug - RV15YC4 - Spark Plugs | Repco New Zealand
Champion RV15YC4 - Alternative spark plugs
Spark Plug Cross Reference CHAMPION to NGK - Equivalencias de Filtros para vehículos livianos y pesados.
830931/838191 TWO (2)-NEW CHAMPION RV15YC4 SPARK PLUGS TO REPLACE CUSHMAN PART FOR THE 18HP 22HP OMC ENGINE TRUCKSTER HAULSTER. — X-TREME DISTRIBUTING, LLC.