{"product_id":"ngk-cmr6h-spark-plug-pack-of-4-nickel-alloy-oe-style-copper-core-heat-dissipation","title":"NGK CMR6H Spark Plug Pack of 4 — Nickel-Alloy OE-Style, Copper-Core Heat Dissipation","description":"\u003cp\u003e\u003cstrong\u003eNGK CMR6H (3365) is a nickel-alloy standard spark plug sold in a pack of four, built to deliver dependable ignition performance as an OEM-style replacement.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese NGK CMR6H 3365 plugs are designed as direct-fit nickel-core spark plugs for vehicles that require OE nickel alloy electrodes. Manufactured with NGK's high-grade alumina silicate ceramic insulator and a solid copper core, they prioritize consistent heat transfer, resistance to combustion leakage, and long-term reliability. This product listing contains four CMR6H plugs—verify part compatibility with your vehicle manual or manufacturer before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these NGK CMR6H plugs differ from precious-metal or iridium options?\u003c\/h3\u003e\n\u003cp\u003eThe CMR6H is a standard nickel-alloy electrode plug intended for applications originally fitted with nickel OE plugs. Unlike precious-metal or iridium types, nickel plugs offer economical replacement and are suitable for engines designed for nickel electrodes. They perform reliably within their intended service life but are not recommended where factory precious-metal plugs are specified.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNickel-alloy electrode for cost-effective replacement\u003c\/li\u003e\n  \u003cli\u003eSolid 98% copper core for excellent heat dissipation\u003c\/li\u003e\n  \u003cli\u003eNot intended for engines specifying iridium or platinum factory plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat construction features improve durability and sealing?\u003c\/h3\u003e\n\u003cp\u003eNGK builds the CMR6H using a high-grade alumina silicate ceramic insulator that strengthens dielectric resistance and mechanical toughness. The plug includes triple gasket sealing to stop combustion gases from leaking and trivalent metal plating to reduce corrosion and seizure during installation and removal. These features combine to protect the plug and cylinder head over normal service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-grade alumina silicate ceramic insulator for stronger dielectric performance\u003c\/li\u003e\n  \u003cli\u003eTriple gasket sealing to prevent combustion gas leaks\u003c\/li\u003e\n  \u003cli\u003eTrivalent metal plating to resist corrosion and seize-up\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and fitment should I expect from a pack of four?\u003c\/h3\u003e\n\u003cp\u003eThis listing supplies four NGK CMR6H (3365) spark plugs—enough for a typical four-cylinder engine or as a multiple-plug service for other engines. As an OE-style part, each plug is manufactured to NGK quality standards and suits vehicles that originally used nickel electrode plugs. Always cross-check fitment with your vehicle’s specifications before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePack of four—suitable for many four-cylinder engines\u003c\/li\u003e\n  \u003cli\u003eOE-quality manufacturing tolerances from NGK\u003c\/li\u003e\n  \u003cli\u003eVerify part number (CMR6H \/ 3365) against vehicle manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I choose and maintain these plugs for best results?\u003c\/h3\u003e\n\u003cp\u003eChoose the CMR6H only if your vehicle's OEM parts list or service manual specifies nickel-alloy type plugs. When installing, use the correct torque and follow manufacturer gap and tightening instructions. Routine inspection during scheduled maintenance helps identify wear or fouling so you can replace plugs before they affect drivability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm manufacturer specifies nickel-type plugs before purchase\u003c\/li\u003e\n  \u003cli\u003eInstall with correct gap and torque values from your service manual\u003c\/li\u003e\n  \u003cli\u003eInspect regularly for fouling, electrode wear, or heater damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The NGK CMR6H (3365) Pack of 4 is aimed at vehicle owners, DIY mechanics, and professional technicians seeking an affordable, OE-style nickel spark plug replacement for engines originally equipped with nickel electrodes. It suits drivers who prioritize reliable ignition performance and proven NGK manufacturing, provided the vehicle’s specifications call for nickel alloy plugs rather than precious-metal types.\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 NGK CMR6H plugs compatible with engines that used precious-metal plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. CMR6H is a nickel-alloy plug intended for engines specified for nickel electrodes, not for vehicles that require factory precious-metal plugs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many plugs are included and when should I replace them?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing includes four NGK CMR6H plugs. Replace per your vehicle manufacturer’s maintenance schedule or if you notice misfires, fouling, or electrode wear.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48086928359582,"sku":"B00BP31TJW","price":33.52,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-cmr6h-pack-front-packaging.jpg?v=1785909862","url":"https:\/\/northtrailauto.ca\/products\/ngk-cmr6h-spark-plug-pack-of-4-nickel-alloy-oe-style-copper-core-heat-dissipation","provider":"North Trail Auto","version":"1.0","type":"link"}