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Genuine Champion Spark Plug RC12YC (2 Pack) Copper Plus 71 (4-Cycle Engines) C12YCC, RC12YCC, RC12YCC4, RFN12Y - Walmart.com
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Amazon.com: Lawnmowers Parts 2 (Two) Genuine Champion Spark Plugs RC12YC Replaces Kohler 12 132 02-S;M78543 : Patio, Lawn & Garden
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First Fire 5/8-in 4-cycle Engine Spark Plug in the Small Engine Replacement Parts department at Lowes.com
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