{"product_id":"a-premium-double-iridium-spark-plugs-for-2-5l-l4-nissan-pack-of-4-fine-wire-pre-gapped-0-044","title":"A-Premium Double Iridium Spark Plugs for 2.5L L4 Nissan (Pack of 4) — Fine Wire, Pre-Gapped 0.044\"","description":"\u003cp\u003e\u003cstrong\u003eA-Premium Double Iridium spark plugs (pack of 4) are precision-engineered ignition electrodes for 2.5L L4 Nissan engines, delivering reliable spark, extended service life, and OEM-grade fitment.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese fine-wire double iridium plugs are built to match OEM specifications for multiple Nissan Altima and Rogue model years, offering improved ignitability and long replacement intervals. Each plug uses an iridium-tipped center electrode and a matched iridium core to provide stable combustion over many miles. The set of four is intended for engines with a 0.044-inch gap and fits thread and reach dimensions specified for 2.5L L4 applications.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these plugs improve starting and throttle response?\u003c\/h3\u003e\n\u003cp\u003eDouble iridium electrodes reduce the voltage needed to produce a complete, consistent spark, which helps the engine light off more reliably in varied conditions. Better spark stability can make cold starts, low-RPM acceleration, and sudden throttle inputs feel crisper.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium center tip and core for consistent spark energy\u003c\/li\u003e\n  \u003cli\u003eFine wire design minimizes quenching and improves flame kernel growth\u003c\/li\u003e\n  \u003cli\u003eMatched 0.044\" gap for optimal spark jump in 2.5L L4 engines\u003c\/li\u003e\n  \u003cli\u003e5000-ohm resistor to reduce electrical interference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my Nissan Altima or Rogue, and what dimensions matter?\u003c\/h3\u003e\n\u003cp\u003eThe plugs are made to fit specific 2.5L L4 Nissan applications including Altima and Rogue model years listed by the manufacturer. Important physical specs—thread diameter, reach, hex size, and insulator height—match OEM expectations, ensuring proper seating and heat transfer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThread diameter: 12.00 mm — matches factory threads\u003c\/li\u003e\n  \u003cli\u003eReach: 26.50 mm and insulator height: 51.00 mm for correct positioning\u003c\/li\u003e\n  \u003cli\u003eHex size: 0.55 in for standard socket fitment\u003c\/li\u003e\n  \u003cli\u003ePre-gapped at 0.044 in to meet Nissan 2.5L L4 requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will these double iridium plugs last and when should I replace them?\u003c\/h3\u003e\n\u003cp\u003eIridium electrodes are chosen for their wear resistance and extended life compared with conventional materials. Under normal driving conditions and correct installation, these plugs typically offer a long service interval, reducing the need for frequent changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for extended mileage — recommended replacement around 100,000–120,000 miles\u003c\/li\u003e\n  \u003cli\u003eDurable iridium tip resists erosion and maintains gap over time\u003c\/li\u003e\n  \u003cli\u003eRegular inspection advised if engine performance changes or misfires occur\u003c\/li\u003e\n  \u003cli\u003eOEM-style construction helps avoid premature overheating or deposits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these spark plugs simple to install and what should I watch for?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine maintenance; use the proper torque and correct socket to avoid damaging the hex or threads. Always ensure the engine is cool, confirm the plug gap, and re-torque to manufacturer specs after hand-threading to prevent cross-threading.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHand-start each plug before tightening to avoid thread damage\u003c\/li\u003e\n  \u003cli\u003eUse correct torque values and a 0.55 in hex socket for secure fit\u003c\/li\u003e\n  \u003cli\u003eVerify the 0.044\" gap if your engine requires a specific clearance\u003c\/li\u003e\n  \u003cli\u003eReplace boots or coils as needed for a complete ignition service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers and home mechanics who own Nissan Altima or Rogue vehicles with the 2.5L L4 engine and want an OEM-compatible ignition upgrade that balances long life with reliable performance. These A-Premium double iridium plugs suit routine maintenance schedules for commuters, rideshare drivers, and anyone focused on preserving fuel efficiency and smooth running across extended service intervals.\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 spark plugs pre-gapped for my 2.5L engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they are pre-set to a 0.044-inch gap to match the specified 2.5L L4 Nissan requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace these double iridium plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace typically between 100,000 and 120,000 miles under normal driving conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":48085642739870,"sku":"B0CD2G6QPY","price":41.88,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/a-premium-packaging-front-view.jpg?v=1785876216","url":"https:\/\/northtrailauto.ca\/products\/a-premium-double-iridium-spark-plugs-for-2-5l-l4-nissan-pack-of-4-fine-wire-pre-gapped-0-044","provider":"North Trail Auto","version":"1.0","type":"link"}