{"product_id":"ena-12-piece-iridium-spark-plug-ignition-coil-pack-for-nissan-infiniti-3-5l-v6-uf550-replacement","title":"ENA 12‑Piece Iridium Spark Plug \u0026 Ignition Coil Pack for Nissan\/Infiniti 3.5L V6 (UF550 Replacement)","description":"\u003ch2\u003eOE-grade reliability for 3.5L V6 engines\u003c\/h2\u003e\n\u003cp\u003eIntroducing the ENA UF550 replacement kit: a matched pair of components designed to work together when you service Nissan and Infiniti 3.5L V6 powertrains. The spark plugs use iridium alloy for durable tips, while the ignition coils deliver crisp spark energy. Built to meet or exceed original equipment expectations, the set is engineered to perform across a wide range of conditions, from city commuting to highway passing.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSix iridium spark plugs engineered for consistent ignition and long life under varied loads.\u003c\/li\u003e\n\u003cli\u003eSix ignition coils designed for reliable spark delivery and robust electrical performance.\u003c\/li\u003e\n\u003cli\u003eCompatible part considerations and replacement references, including UF550 and related identifiers.\u003c\/li\u003e\n\u003cli\u003eClear packaging and markings to support quick confirmation during installation.\u003c\/li\u003e\n\u003cli\u003e24-month warranty covering manufacturing defects and covered use cases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey benefits you may notice on the road\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmoother idle and steadier power delivery as ignition timing remains stable across cylinders.\u003c\/li\u003e\n\u003cli\u003eBetter throttle response when moving from idle to acceleration, especially at mid-range speeds.\u003c\/li\u003e\n\u003cli\u003eMaintained engine efficiency with even combustion across all cylinders over time.\u003c\/li\u003e\n\u003cli\u003eDirect-fit parts that simplify installation and reduce the need for modification or guesswork.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality and durability\u003c\/h3\u003e\n\u003cp\u003eThe iridium spark plugs are built for resistance to wear, with strong heat tolerance and reliable cold starts. The ignition coils are designed to withstand vibration and high electrical load, helping maintain spark quality over longer service intervals.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility snapshot\u003c\/h3\u003e\n\u003cp\u003eThis kit targets a broad family of 3.5L V6 Infiniti and Nissan models, including Maxima, Murano, Pathfinder, Altima, Q50, Q70, QX60, FX35, and more. Given the varied model years, please verify your specific vehicle with the UF550 references and your account information.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cp\u003eBefore starting, ensure the engine is cool and the battery is disconnected. Use standard safety practices, and follow the vehicle’s service manual for torque specs and step-by-step instructions. A well-lubricated thread and proper sealing help ensure reliable startup after installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose ENA\u003c\/h3\u003e\n\u003cp\u003eENA parts are designed to deliver predictable maintenance outcomes with straightforward installation, clear part references, and readable packaging. This kit provides a practical balance of performance, coverage, and value for many 3.5L engines, without overpromising results.\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: What exactly is included in the ENA UF550 replacement kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes 6 iridium spark plugs and 6 ignition coils designed for 3.5L Nissan\/Infiniti V6 engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How can I confirm if this fits my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your vehicle year, model, and 3.5L V6 engine alignment; compare UF550 part numbers and listed compatible models.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ENA","offers":[{"title":"Default Title","offer_id":42464454475861,"sku":"B07MWDM1LF","price":127.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ena-iridium-spark-plug-set-6.jpg?v=1777980817","url":"https:\/\/plentytorque.co.uk\/products\/ena-12-piece-iridium-spark-plug-ignition-coil-pack-for-nissan-infiniti-3-5l-v6-uf550-replacement","provider":"PlentyTorque","version":"1.0","type":"link"}