{"product_id":"ngk-spark-plugs-10-pack-cmr7h-3066-resistor-for-lawn-mowers-oem-fit-rfi-suppression","title":"NGK Spark Plugs 10-Pack CMR7H (3066) Resistor for Lawn Mowers — OEM Fit, RFI Suppression","description":"\u003cp\u003e\u003cstrong\u003eNGK Genuine 10-pack resistor spark plugs (model CMR7H \/ 3066) provide reliable, OEM-level ignition replacement for compatible lawn mowers and small engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese NGK standard spark plugs are sold as a factory 10-pack and are designed to match original-equipment specifications for a range of garden machinery models that accept the CMR7H\/3066 plug. Each plug includes resistor construction to reduce electrical interference with radios and onboard electronics, and the set comes in original NGK packaging and hardware for straightforward installation and storage.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and mower models will these plugs fit?\u003c\/h3\u003e\n\u003cp\u003eThe NGK CMR7H (3066) is a commonly used standard spark plug for many small engines and lawn mower models. Check your engine’s manual or existing plug part number to confirm compatibility before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits listed machines such as B\u0026amp;Q MC018, Beast Lawn 36FBM1, 54FBM19, M36BDB, M36FDB\u003c\/li\u003e\n  \u003cli\u003eSuitable where NGK part number 3066 or CMR7H is specified\u003c\/li\u003e\n  \u003cli\u003eWorks for many single-cylinder 4-stroke petrol engines used in garden equipment\u003c\/li\u003e\n  \u003cli\u003eAlways verify thread size and heat range against your engine requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to replace the spark plugs yourself?\u003c\/h3\u003e\n\u003cp\u003eSwapping spark plugs is a simple maintenance task for most small-engine owners with basic tools and a moment of care. Follow safety steps like disconnecting the spark lead and letting the engine cool before removing the old plug.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequires a correctly sized spark-plug socket and torque wrench or hand tightness per manufacturer guidance\u003c\/li\u003e\n  \u003cli\u003eGap is set to NGK specifications at the factory for typical small engines\u003c\/li\u003e\n  \u003cli\u003eIncludes ten plugs so you can service multiple machines or keep spares on hand\u003c\/li\u003e\n  \u003cli\u003eOriginal NGK packaging and hardware help protect plugs until installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the technical features of the NGK 3066\/CMR7H resistor plug?\u003c\/h3\u003e\n\u003cp\u003eThe CMR7H is a standard, resistor-type spark plug built to NGK’s conventional design standards. It provides consistent spark delivery while minimizing electromagnetic interference, which is useful in equipment fitted with electronic components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eResistor core reduces radio-frequency interference with electronics\u003c\/li\u003e\n  \u003cli\u003eStandard heat range appropriate for many lawn mower engines\u003c\/li\u003e\n  \u003cli\u003eDurable construction for routine maintenance intervals on small engines\u003c\/li\u003e\n  \u003cli\u003eSold in a 10-pack to simplify fleet maintenance or keep multiple spares\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before buying this 10-pack?\u003c\/h3\u003e\n\u003cp\u003eConfirm fitment for your specific engine and review the owner's manual or existing plug code. Buying a multi-pack is cost-effective but only useful if the part number matches your engine’s requirements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatch NGK part number 3066 or CMR7H with your current spark plug code\u003c\/li\u003e\n  \u003cli\u003eVerify thread size, reach, and hex size for proper fit and sealing\u003c\/li\u003e\n  \u003cli\u003eConfirm heat range suitability for your engine type and operating conditions\u003c\/li\u003e\n  \u003cli\u003eUse Amazon or manufacturer fitment tools where available to double-check compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This NGK 10-pack is aimed at homeowners, landscapers, and small-engine technicians who need dependable, OEM-spec replacement spark plugs for multiple machines or to keep a supply of spares. It suits anyone maintaining lawn mowers, garden tractors, or similar single-cylinder petrol engines that specify NGK CMR7H \/ 3066 plugs and who prefer genuine NGK components in original packaging for consistent performance and inventory convenience.\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 NGK plugs the exact replacement for part 3066?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The pack contains NGK CMR7H plugs, which correspond to NGK part number 3066 for compatible small engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the plugs come pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: NGK sets the gap to standard factory specifications, but you should verify and adjust to your engine's recommended gap before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48084128497822,"sku":"B00TD7CAXQ","price":69.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-3066-front-packaging.jpg?v=1785846987","url":"https:\/\/northtrailauto.ca\/products\/ngk-spark-plugs-10-pack-cmr7h-3066-resistor-for-lawn-mowers-oem-fit-rfi-suppression","provider":"North Trail Auto","version":"1.0","type":"link"}