{"product_id":"a-premium-iridium-platinum-spark-plugs-pack-of-4","title":"A-Premium Iridium Platinum Spark Plugs Pack of 4","description":"\u003cp\u003e\u003cb\u003eA-Premium Iridium Platinum Spark Plugs (pack of 4) are high-durability fine-wire ignition plugs designed to replace factory units in many L4 Nissan and compatible vehicles, offering precise 0.044\" gaps and long service intervals.\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese spark plugs combine an iridium center tip with a platinum core to deliver consistent ignition performance, extended life, and resistance to wear. Engineered with a 12 mm thread diameter, 26.5 mm reach and a compact 51 mm insulator height, they match OEM dimensions for many 4-cylinder applications, including numerous Nissan Altima, Sentra, Versa, Rogue, Cube and other models. Each pack contains four plugs built to a 5000-ohm resistor specification to reduce radio interference while maintaining reliable spark delivery.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will these A-Premium spark plugs fit?\u003c\/h3\u003e\n\u003cp\u003eThese plugs are specified for many Nissan 4-cylinder engines across model years and also fit a selection of other makes that share the same thread, reach and gap. Check the detailed fitment list and cross-reference part numbers before ordering to ensure compatibility with your engine code and body style.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon fits: Nissan Altima, Sentra, Versa, Rogue, Cube, Frontier, NV200, Micra\u003c\/li\u003e\n  \u003cli\u003eOther compatible models: Chevrolet City Express, Suzuki Equator where applicable\u003c\/li\u003e\n  \u003cli\u003eFactory gap set to 0.044 inch; thread diameter 12.00 mm and reach 26.50 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these spark plugs affect performance and longevity?\u003c\/h3\u003e\n\u003cp\u003eIridium on the center tip and a platinum core reduce electrode erosion, which helps preserve spark quality over long mileage. That durability supports more consistent combustion, easier starts and steadier idle compared with older worn plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for long service life — suggested replacement interval 80,000–100,000 miles\u003c\/li\u003e\n  \u003cli\u003eFine-wire center electrode improves ignition precision and fuel burn\u003c\/li\u003e\n  \u003cli\u003e5000-ohm resistor reduces electronic interference without sacrificing spark\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the technical specifications I should confirm before buying?\u003c\/h3\u003e\n\u003cp\u003eConfirm thread size, reach, insulator height and gap to match your engine's OEM requirements. Mismatched dimensions can cause installation issues or engine running problems, so verify the numbers below against your vehicle's repair manual or existing plug.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCenter electrode: iridium; core material: platinum\u003c\/li\u003e\n  \u003cli\u003eGap: 0.044 in; thread diameter: 12.00 mm; reach: 26.50 mm\u003c\/li\u003e\n  \u003cli\u003eInsulator height: 51.00 mm; hex size: 0.55 in; resistor: 5000 ohms\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 the correct torque and anti-seize guidance for your vehicle; over-tightening or incorrect reach can damage the cylinder head. Replace all cylinders’ plugs at the same time and inspect ignition components for wear to maintain consistent performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse a torque wrench following manufacturer torque values for 12 mm plugs\u003c\/li\u003e\n  \u003cli\u003eHand-start threads to avoid cross-threading, then torque to spec\u003c\/li\u003e\n  \u003cli\u003eReplace as a set every 80k–100k miles or sooner if misfiring occurs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: A-Premium Iridium Platinum plugs are intended for DIYers, independent mechanics and fleet managers who need a cost-effective, long-life replacement for OEM spark plugs in many 4-cylinder Nissan engines and compatible vehicles. Choose these if you want OEM-style dimensions, a fine-wire iridium tip for improved ignition consistency, and a platinum core for extended service life. Always confirm fitment with your vehicle year, engine code and part cross-reference before purchase.\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 plugs pre-gapped for my engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they come set to 0.044 inch, but confirm and re-gap if your vehicle manufacturer specifies a different gap.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the recommended replacement interval?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace these iridium-platinum plugs every 80,000–100,000 miles under normal driving conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":48086873178270,"sku":"B0CF9WFRBZ","price":34.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/a-premium-iridium-plugs-front-packaging.jpg?v=1785908627","url":"https:\/\/northtrailauto.ca\/products\/a-premium-iridium-platinum-spark-plugs-pack-of-4","provider":"North Trail Auto","version":"1.0","type":"link"}