{"product_id":"uf603-ignition-coil-97390-double-iridium-spark-plug-kit-reliable","title":"UF603 Ignition Coil \u0026 97390 Double Iridium Spark Plug Kit - Reliable","description":"\u003cp\u003eIn this review the UF603 ignition coil and 97390 double iridium spark plug kit is evaluated for owners of specific Honda and Acura V6 and selected L4 vehicles who need a straightforward replacement that restores engine smoothness. This kit's single biggest selling point is that it pairs matched ignition coils with long-life double iridium spark plugs, which together address common symptoms such as engine misfire, rough idle, and poor fuel economy while promising easier installation and improved cold-start performance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect fit compatibility:\u003c\/strong\u003e Designed to replace UF603 and 97390 OE parts for listed Honda and Acura models, reducing fitment guessing and simplifying installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatched coil and plug pairing:\u003c\/strong\u003e Supplying six ignition coils and six double iridium spark plugs together ensures consistent ignition performance across all cylinders for smoother running.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable double iridium plugs:\u003c\/strong\u003e The spark plugs use double iridium construction for a longer working life and stable spark delivery, helping maintain performance up to 100000 kilometers under normal use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise suppression and connector strength:\u003c\/strong\u003e Coils include an internal ferrite noise suppressor and advanced thermoplastic connectors to resist heat cycling and reduce radio frequency interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOE-equivalent design:\u003c\/strong\u003e Components either match or improve on OE design for straightforward installation and reliable cold-start performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis kit is best for Honda and Acura owners who need a full set replacement for ignition coils and spark plugs at once, especially those with Accord, Crosstour, Odyssey, RL, TL, and TSX models listed in the compatibility notes. It suits DIY mechanics who want a matched set to address misfires, rough idle, or a drop in power and who value longer-life iridium plugs.\u003c\/p\u003e\u003cp\u003eNot ideal for drivers who cannot confirm vehicle fitment from the compatibility list or who prefer OEM-branded parts from a dealership; also not for vehicles outside the specific model years and engine sizes covered by the product notes.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood value offering six coils and six double iridium plugs in one kit for full-cylinder replacement.\u003c\/li\u003e\n\u003cli\u003eMany customers report easier installation and improved fuel efficiency after fitting the kit.\u003c\/li\u003e\n\u003cli\u003eQuality construction details such as stainless-steel springs and ferrite noise suppression improve reliability and reduce interference.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSome customers gave mixed feedback on long-term durability of the spark plugs, so performance beyond the guaranteed span may vary.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eX4XZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded parts\u003c\/td\u003e\n\u003ctd\u003eIgnition Coil Packs x6, Double Iridium Spark Plug x6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible OE numbers\u003c\/td\u003e\n\u003ctd\u003eUF603, 97390, C1624, 52-2036 and related OE codes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget vehicles\u003c\/td\u003e\n\u003ctd\u003eHonda Accord, Crosstour, Odyssey and Acura RL, TL, TSX models listed by year and engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpark plug type\u003c\/td\u003e\n\u003ctd\u003eDouble iridium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstimated plug life\u003c\/td\u003e\n\u003ctd\u003eUp to 100000 kilometers (manufacturer claim)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe UF603 ignition coil and 97390 double iridium spark plug kit is a practical, cost-effective choice for owners of the listed Honda and Acura models who need to remedy misfires and restore engine smoothness. It combines matched coils and longer-life iridium plugs for consistent performance and easier installation, making it good value for DIY replacements, while buyers seeking OEM-branded items or absolute long-term plug life certainty may prefer dealer parts.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDoes this kit replace all ignition coils and spark plugs?\u003c\/strong\u003e\u003cbr\u003eYes, the package includes six ignition coils and six double iridium spark plugs intended to replace all cylinders for compatible V6 or specified engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill installation require special tools?\u003c\/strong\u003e\u003cbr\u003eBasic hand tools and a torque wrench are normally sufficient for installation; no special equipment is required beyond standard spark plug and coil removal tools.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm my vehicle is compatible?\u003c\/strong\u003e\u003cbr\u003eConfirm fitment by checking the listed model years and engine sizes in the product compatibility notes or by comparing OE numbers such as UF603 and 97390 with your vehicle's service manual.\u003c\/p\u003e","brand":"X4XZ","offers":[{"title":"Default Title","offer_id":48157145530587,"sku":"B0CQS632FW","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71taKgk3k5L._AC_SL1500.jpg?v=1768920992","url":"https:\/\/gearmusthave.com\/products\/uf603-ignition-coil-97390-double-iridium-spark-plug-kit-reliable","provider":"GearMustHave","version":"1.0","type":"link"}