{"product_id":"ngk-laser-iridium-spark-plugs-imr9c-9hes-5766-pack-of-4-oem-grade-long-life-ignition","title":"NGK Laser Iridium Spark Plugs IMR9C-9HES (5766) - Pack of 4, OEM-Grade Long-Life Ignition","description":"\u003cp\u003e\u003cstrong\u003eNGK IMR9C-9HES (5766) Laser Iridium spark plugs are a four-pack of OEM-grade ignition parts engineered for consistent, long-lasting performance in compatible engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese NGK Laser Iridium plugs combine a fine iridium center electrode with precision manufacturing to deliver stable spark delivery and extended service life compared with conventional plugs. Sold as a set of four, this 5766 model is often used as original equipment by vehicle manufacturers and recommended when replacing worn plugs to maintain engine efficiency and ignition reliability.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these spark plugs affect my engine’s ignition stability?\u003c\/h3\u003e\n\u003cp\u003eThe iridium center electrode offers a smaller, more durable firing point that promotes a stronger, more focused spark. That helps provide consistent ignition across varied driving conditions and reduces misfires when the rest of the ignition system is in good condition.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine-wire iridium electrode for a concentrated spark\u003c\/li\u003e\n  \u003cli\u003ePrecision gap maintained at manufacture to reduce variability\u003c\/li\u003e\n  \u003cli\u003eDurable materials resist electrode wear and erosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these the original equipment (OEM) style plugs for my vehicle?\u003c\/h3\u003e\n\u003cp\u003eNGK is the world’s largest OEM spark plug supplier, and the 5766 IMR9C-9HES is commonly specified by manufacturers for certain engines. Always verify vehicle compatibility by checking engine model, OEM part numbers, and the recommended heat range before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOften specified as original equipment by vehicle makers\u003c\/li\u003e\n  \u003cli\u003eCheck fitment with engine code or OEM part reference\u003c\/li\u003e\n  \u003cli\u003eSold here as a set of four to match typical cylinder counts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance advantages do Laser Iridium plugs offer?\u003c\/h3\u003e\n\u003cp\u003eCompared with conventional plugs, laser-welded iridium tips resist wear and maintain gap integrity longer, which can extend service intervals when used alongside proper ignition maintenance. They aren’t a cure-all, but they reduce one common variable that leads to degraded ignition performance over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLonger electrode life than standard nickel plugs\u003c\/li\u003e\n  \u003cli\u003eReduced need for frequent gap adjustments\u003c\/li\u003e\n  \u003cli\u003eSuitable for modern ignition systems with higher voltages\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I confirm I’m ordering the right quantity and fit?\u003c\/h3\u003e\n\u003cp\u003eThis listing supplies four spark plugs—ideal for many four-cylinder engines but not universal for all engines. Review your vehicle’s cylinder count and the manufacturer’s parts list to ensure four plugs meet your replacement needs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eListing includes four NGK IMR9C-9HES (5766) plugs\u003c\/li\u003e\n  \u003cli\u003eVerify engine cylinder count and OEM part equivalence\u003c\/li\u003e\n  \u003cli\u003eContact a mechanic or consult your service manual for fitment guidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: drivers and technicians seeking an OEM-quality replacement spark plug set who value durability and consistent ignition. These NGK Laser Iridium plugs suit routine maintenance and scheduled replacement intervals for compatible vehicles, especially where manufacturer specifications call for iridium or equivalent high-durability plugs. Always confirm fitment with your vehicle’s specifications before installing.\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: Is this NGK 5766 pack the exact OEM part?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: NGK supplies OEM-grade plugs, but verify your vehicle’s OEM part number and engine compatibility before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many spark plugs are included in this listing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing contains four NGK IMR9C-9HES (5766) spark plugs, suitable for many four-cylinder engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48083964100766,"sku":"B00BRSJTUG","price":83.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-5766-pack-front-view.jpg?v=1785841444","url":"https:\/\/northtrailauto.ca\/products\/ngk-laser-iridium-spark-plugs-imr9c-9hes-5766-pack-of-4-oem-grade-long-life-ignition","provider":"North Trail Auto","version":"1.0","type":"link"}