{"product_id":"uf491-ignition-coil-xp5263-double-iridium-spark-plug-kit-reliable","title":"UF491 Ignition Coil \u0026 XP5263 Double Iridium Spark Plug Kit - Reliable","description":"\u003cp\u003eIn this review the UF491 ignition coil and XP5263 double iridium spark plug kit is evaluated for drivers looking to restore smooth running and dependable starts on various Buick, Chevy, GMC and Pontiac models. The bottom line: this kit is for owners who need an affordable, direct OE-style replacement that addresses misfires and poor idle without aftermarket tuning. The reviewer found it straightforward to install and effective at eliminating new trouble codes, with the double iridium plugs promising long life and the coils built to transfer high voltage cleanly.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e The kit fits many Buick, Chevrolet, GMC and Pontiac 2.0L to 2.4L engines, making it a practical single purchase for those model ranges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble Iridium Spark Plug:\u003c\/strong\u003e Provides consistent, stable spark and extended service life, helping maintain engine efficiency over many kilometers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOE Replacement Design:\u003c\/strong\u003e Each coil and plug matches or improves on original equipment to simplify installation and maintain factory performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterials and Noise Suppression:\u003c\/strong\u003e The coil uses a stainless-steel spring and internal ferrite suppressor to reduce radiofrequency interference and ensure reliable ignition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Cold Start:\u003c\/strong\u003e The combination of coil and iridium plug supports superior cold-start performance and smoother idle right after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis kit is aimed at owners of compatible Buick Lacrosse, Regal, Verano, and Chevrolet Equinox, Cobalt, HHR, Malibu, Captiva Sport, Orlando and similar 2.0L-2.4L models who want a cost-effective way to replace failing coils and worn plugs with parts that match OE fit and function. It is also useful for DIYers who value easy, relatively quick installation.\u003c\/p\u003e\u003cp\u003eIt is less appropriate for vehicles outside the listed model years or for performance builds that require upgraded ignition systems; those users should look for high-performance coils and specialty plugs tuned for modified engines.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEasy OE-style fit that many customers report installs in 20-25 minutes per bank.\u003c\/li\u003e\n\u003cli\u003eDouble iridium plugs offer long life and consistent spark, supporting fuel efficiency.\u003c\/li\u003e\n\u003cli\u003eCoils include ferrite noise suppression and thermoplastic connectors for durable operation.\u003c\/li\u003e\n\u003cli\u003eGood value as a matched four-pack with plugs included for complete service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDoes not include an instruction manual, so less experienced users may need a repair guide.\u003c\/li\u003e\n\u003cli\u003eCompatibility limited to specific 2.0L and 2.4L model years; verify fit before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Contents\u003c\/td\u003e\n\u003ctd\u003eIgnition Coil Packs x4, Double Iridium Spark Plug x4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOE Number\u003c\/td\u003e\n\u003ctd\u003eUF491+XP5263\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eD517A, 5C1609, E991, C1552 and other listed OE numbers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Engines\u003c\/td\u003e\n\u003ctd\u003e2.0L and 2.4L L4 applications (Buick, Chevy, GMC, Pontiac)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Construction\u003c\/td\u003e\n\u003ctd\u003eStainless-steel spring, internal ferrite noise suppressor, thermoplastic connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpark Plug Type\u003c\/td\u003e\n\u003ctd\u003eDouble iridium, long life\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe UF491 coil and XP5263 double iridium plug kit is a practical, budget-conscious choice for owners needing an OE-style replacement to cure misfires and rough idle. It pairs durable coil construction with long-life iridium plugs and delivers reliable cold starts and improved running when fitted to compatible 2.0L and 2.4L engines. For most owners seeking value and a direct fit, this kit is a sensible buy.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this kit fit my 2012 Buick Regal?\u003c\/strong\u003e\u003cbr\u003eIt fits 2011-2013 Buick Regal 2.0L and 2011-2017 Regal 2.4L engines; verify your engine size to confirm compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre installation instructions included?\u003c\/strong\u003e\u003cbr\u003eThe package does not include a manual; customers reported easy installation but less experienced installers should consult a repair manual or online guide.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long do the spark plugs last?\u003c\/strong\u003e\u003cbr\u003eThe double iridium spark plugs are rated for long service life and can provide consistent performance over many kilometers under normal conditions.\u003c\/p\u003e","brand":"X4XZ","offers":[{"title":"Default Title","offer_id":48188231647451,"sku":"B0CQS61SG3","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71HJCjsUhLL._AC_SL1500.jpg?v=1769651639","url":"https:\/\/gearmusthave.com\/products\/uf491-ignition-coil-xp5263-double-iridium-spark-plug-kit-reliable","provider":"GearMustHave","version":"1.0","type":"link"}