{"product_id":"denso-iridium-long-life-spark-plugs-3297-8-pack-043-1-1-mm-gap-durable-ignition","title":"Denso Iridium Long-Life Spark Plugs 3297 — 8-Pack .043\" (1.1 mm) Gap, Durable Ignition","description":"\u003cp\u003e\u003cstrong\u003eDenso 3297 iridium long-life spark plugs are a genuine 8-pack of high-precision ignition plugs with an iridium center electrode and a factory-set 0.043\" (1.1 mm) gap designed for durable, consistent spark performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Denso 3297 spark plugs are engineered for reliability and longevity, delivering steady ignition for compatible gasoline engines. The iridium core provides a thin, wear-resistant electrode that maintains gap integrity longer than standard plugs. Packaged as a set of eight, these plugs are ideal for multi-cylinder engines and for users replacing all plugs at once to restore even firing and efficient combustion.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these spark plugs improve ignition consistency?\u003c\/h3\u003e\n\u003cp\u003eThe iridium center electrode and precise manufacturing reduce electrode wear and ensure a stable spark over many miles. A thinner electrode tip requires less voltage to fire, which helps maintain reliable combustion as the plug ages.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium center electrode for durable spark delivery\u003c\/li\u003e\n  \u003cli\u003eFactory-set 0.043\" (1.1 mm) gap to match many OEM specifications\u003c\/li\u003e\n  \u003cli\u003eConsistent gap retention reduces misfires and rough idling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat vehicles and situations are these Denso 3297 plugs suited for?\u003c\/h3\u003e\n\u003cp\u003eThese plugs are designed for gasoline engines that call for the Denso 3297 specification or similar iridium long-life plugs. They’re commonly used in passenger cars, light trucks, and performance applications where long service intervals are desired.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatibility with engines specifying Denso 3297 or equivalent part numbers\u003c\/li\u003e\n  \u003cli\u003eGood choice for multi-cylinder engines requiring eight plugs\u003c\/li\u003e\n  \u003cli\u003eRecommended for drivers wanting longer life between replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the package and physical details I should know?\u003c\/h3\u003e\n\u003cp\u003eThis product ships as a compact set of eight individual plugs, each built to Denso quality standards. The pack dimensions and light weight make it easy to store or carry to a workshop for installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage size: 9.5\" L x 9.5\" W x 0.5\" H\u003c\/li\u003e\n  \u003cli\u003ePackage weight: 0.5 pounds for the full eight-plug set\u003c\/li\u003e\n  \u003cli\u003eIncludes eight spark plugs—one-plug-per-cylinder replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these spark plugs?\u003c\/h3\u003e\n\u003cp\u003eInstall using proper torque and a gap check if required by your vehicle’s service manual. While the plugs come with a specific gap, always verify compatibility and follow torque specs to avoid damage to threads or the electrode.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm vehicle OEM recommendations before installation\u003c\/li\u003e\n  \u003cli\u003eUse a torque wrench to the manufacturer’s specified torque value\u003c\/li\u003e\n  \u003cli\u003eInspect ignition boots and wiring when replacing plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Denso 3297 8-pack is aimed at DIY mechanics, professional technicians, and vehicle owners who need a full set of long-life iridium spark plugs for compatible gasoline engines. It’s especially useful for those replacing all plugs at once to ensure uniform ignition performance across every cylinder and for anyone seeking a balance of durability and consistent electrical firing without frequent replacements.\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 Denso 3297 spark plugs pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they are factory-set to a 0.043\" (1.1 mm) gap, but you should verify and adjust to your vehicle’s specs before installation.\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 set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This product includes eight genuine Denso 3297 iridium spark plugs—one plug per cylinder for compatible engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48080343236766,"sku":"B071XF75JG","price":107.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-3297-front-packaging.jpg?v=1785780476","url":"https:\/\/northtrailauto.ca\/products\/denso-iridium-long-life-spark-plugs-3297-8-pack-043-1-1-mm-gap-durable-ignition","provider":"North Trail Auto","version":"1.0","type":"link"}