{"product_id":"tecreddy-rc12yc-spark-plugs-compatible-with-champion-briggs-stratton-kohler-jd-m78543","title":"Tecreddy RC12YC Spark Plugs – Compatible with Champion, Briggs \u0026 Stratton, Kohler, JD M78543","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eTecreddy RC12YC spark plugs are engineered as versatile after-market replacements for a broad range of lawn mower engines. This 4-pack helps you stay prepared for routine tune-ups, delivering a reliable ignition path without relying on OEM parts.\u003c\/p\u003e\n\u003ch3\u003eWide compatibility\u003c\/h3\u003e\n\u003cp\u003eThese plugs are designed to replace or complement many common models, including Champion, Briggs \u0026amp; Stratton, Kohler, and JD variants. They cover multiple part numbers such as 491055, 491055S, 692051, 792015, 491055T, 5066, 25 132 12-S, 25 132 12-A, 24 132 01-S, 12 132 02-S, 12 132 02, 531308128, M78543, and Gravely engines. Note that these are not OEM parts.\u003c\/p\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour high-quality RC12YC spark plugs per pack for convenient maintenance.\u003c\/li\u003e\n\u003cli\u003eQuality materials and precision machining for stable, durable performance.\u003c\/li\u003e\n\u003cli\u003eExplicitly sized for straightforward installation across compatible engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use and benefits\u003c\/h3\u003e\n\u003cp\u003eIn practice, users report crisper starting, smoother idling, and steadier acceleration during routine mowing. While results vary, the right plug can help minimize misfires and hesitation during typical sessions.\u003c\/p\u003e\n\u003ch3\u003eHow to install and care\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBefore installing, ensure the engine is cool; remove the old plug and inspect the thread condition.\u003c\/li\u003e\n\u003cli\u003eCheck the gap and torque to manufacturer recommendations before snugly seating the plug.\u003c\/li\u003e\n\u003cli\u003eReplace in sets to keep engine performance balanced.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrand support: Tecreddy provides helpful guidance on fitment or compatibility. This aftermarket option aims to simplify maintenance and keep your mower ready for regular use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these RC12YC plugs OEM replacements?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are after-market replacements designed to fit a wide range of engines; they are not OEM parts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the Tecreddy RC12YC four-pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A four-pack of RC12YC spark plugs; additional four-packs are available for bulk maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tecreddy","offers":[{"title":"Default Title","offer_id":48153899663604,"sku":"B0CXHZB6KN","price":15.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/tecreddy-rc12yc-spark-plug-pack-closeup.jpg?v=1778282052","url":"https:\/\/www.cerapatiogarden.com\/products\/tecreddy-rc12yc-spark-plugs-compatible-with-champion-briggs-stratton-kohler-jd-m78543","provider":"Cera Garden","version":"1.0","type":"link"}