Champion rn11yc4. Find the right Champion Copper Plus Plug Number RN11YC4 Spark Plug for your vehicle at O'Reilly Auto Parts. . Aug 6, 2012 · About this item Genuine Champion replacement part. Search this spark plug cross reference with more than 90000 models. 346 replacement spark plugs found for Champion RN11YC4. Aug 17, 2005 · Product Description Dependable performance. Find the SM ENG SPARKPLUG RN11YC4 at Ace. Order Champion RN11YC4 spark plug When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. New, Bulk Packaged. Consult owners manual for proper part number identification and proper installation This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. Place your order online and pick it up at your local store for free. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. ocla nmuit vza etsr onmkr ngq odc wvijz mmate rpsoqea