{"product_id":"ngk-spark-plugs-lfr6a-11-4-pack-oem-grade-4-cylinder-replacement-long-life-performance","title":"NGK Spark Plugs LFR6A-11 4-Pack — OEM-Grade 4-Cylinder Replacement, Long-Life Performance","description":"\u003cstrong\u003eNGK 3672 LFR6A-11 spark plugs are OEM-grade ignition parts sold in a 4-pack designed to restore reliable combustion and consistent starts.\u003c\/strong\u003e\n\n\u003cp\u003eThese LFR6A-11 plugs from NGK are frequently specified by manufacturers as original equipment and are built for dependable performance and long life. Each box includes four plugs, making this kit ideal for most four-cylinder tune-ups and routine maintenance. NGK's global OEM experience informs fitment, materials and quality control so you get a direct-replacement part that matches factory expectations.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these spark plugs affect engine performance?\u003c\/h3\u003e\n\u003cp\u003eProperly gapped and fresh spark plugs help maintain consistent ignition timing and fuel burn, which supports smooth idling and steady throttle response. NGK electrodes and insulators are engineered to resist wear and deposits, preserving spark quality over many miles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores reliable spark delivery for consistent firing\u003c\/li\u003e\n  \u003cli\u003eReduces misfires and uneven idle when replacing worn plugs\u003c\/li\u003e\n  \u003cli\u003eHelps maintain factory fuel economy and throttle response\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these NGK LFR6A-11 plugs easy to install?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic automotive maintenance: remove the old plug, check gap, hand-start the new plug, then torque to specification. Always verify vehicle fitment and follow manufacturer torque and gap settings to avoid damage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSold as a 4-pack for simple four-cylinder replacement\u003c\/li\u003e\n  \u003cli\u003eDirect-replacement design matches OEM thread and length\u003c\/li\u003e\n  \u003cli\u003eNo special adapters required for compatible engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes NGK plugs a common OEM choice?\u003c\/h3\u003e\n\u003cp\u003eNGK is the world’s largest OEM spark plug supplier and uses material science and manufacturing controls to meet automaker standards. Their products balance durability and cost, which is why many manufacturers specify NGK parts from the factory.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured to OE tolerances for fit and function\u003c\/li\u003e\n  \u003cli\u003eQuality control aimed at consistent spark performance\u003c\/li\u003e\n  \u003cli\u003eDesigned to resist fouling and electrode wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles or situations are these best suited for?\u003c\/h3\u003e\n\u003cp\u003eThis LFR6A-11 set is intended as a direct-replacement part where that NGK part number is specified; it's ideal for routine maintenance, mid-life service intervals, or restoring performance after prolonged use of old plugs. Confirm compatibility by checking your vehicle’s engine requirements and the NGK part lookup before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIdeal for four-cylinder tune-ups when LFR6A-11 is listed\u003c\/li\u003e\n  \u003cli\u003eGood choice for regular maintenance and mileage-based replacement\u003c\/li\u003e\n  \u003cli\u003eUseful for mechanics and DIYers needing a complete 4-plug set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Owners and technicians seeking an OEM-equivalent ignition component for routine service, weekend mechanics doing a four-cylinder plug change, and fleet managers who prefer NGK’s documented quality for consistent, dependable replacements. Always research your specific vehicle application and service manual for gap and torque values before installation.\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: Does this listing include four spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This product is sold as a pack of four NGK LFR6A-11 spark plugs, suitable for most four-cylinder replacements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm these plugs fit my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your vehicle’s owner manual or NGK part lookup for LFR6A-11 compatibility and verify thread size, reach, and gap specifications before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48086268051614,"sku":"B072DR84WK","price":49.92,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-lfr6a-11-front-packaging_3e8fe34b-778d-4d49-83c0-7e7c7efdd291.jpg?v=1785892947","url":"https:\/\/northtrailauto.ca\/products\/ngk-spark-plugs-lfr6a-11-4-pack-oem-grade-4-cylinder-replacement-long-life-performance","provider":"North Trail Auto","version":"1.0","type":"link"}