{"product_id":"ignition-coil-pack-uf596-double-iridium-spark-plug-4912-reliable","title":"Ignition Coil Pack UF596 \u0026 Double Iridium Spark Plug 4912 - Reliable","description":"\u003cp\u003eIn this review the focus is practical: a combined kit of four ignition coils and four double iridium spark plugs designed for a range of 1.8L L4 Toyota, Lexus, Scion and Pontiac models. The single biggest reason to consider this kit is value - it replaces multiple OE coil part numbers and supplies high-construction coils plus long-life double iridium plugs in one purchase, making it a straightforward repair or refresh for engines that show misfires, rough idle, or sluggish acceleration. The kit is best for DIY mechanics and independent shops who want OEM-fit replacements without sourcing separate parts.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication fit:\u003c\/strong\u003e Covers 2009-2017 Toyota Corolla, 2009-2014 Matrix, 2010-2015 Prius, 2012-2017 Prius V, Lexus CT200h, Scion IM\/XD and 2009-2010 Pontiac Vibe with 1.8L L4 engines, so buyers can match fitment to many popular models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple part number coverage:\u003c\/strong\u003e Replaces common OE coil numbers such as UF596, UF619 and 90919-02258, reducing fitment guesswork when swapping coils on affected engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-quality coil construction:\u003c\/strong\u003e Coils use epoxy resin and high-strength engineering plastic on the exterior and high-conductivity copper windings inside to resist heat and improve ignition speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble iridium spark plugs:\u003c\/strong\u003e Plugs feature double iridium electrodes and corrosion-resistant materials to maintain a stable spark gap and promote efficient combustion over their life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Package includes four ignition coils and four spark plugs, letting users replace all four cylinders at once for balanced performance and easier troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAftermarket warranty:\u003c\/strong\u003e A 1-year warranty is provided, offering a safety net for early failures and installation issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is aimed at owners of the listed 1.8L L4 Toyota, Lexus, Scion and Pontiac vehicles who need direct-fit ignition components for routine maintenance or to address misfires and reduced engine performance. It is particularly useful for DIYers who prefer replacing all coils and plugs at once to restore even firing and responsiveness.\u003c\/p\u003e\n\n\u003cp\u003eMechanics and small shops that frequently service these platforms will appreciate the consolidated part coverage and included plugs. Drivers of other engine codes or vehicles outside the stated fitment should look for a kit matched exactly to their engine to avoid compatibility issues.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood value: coils and double iridium plugs bundled together reduce time and sourcing cost for a full ignition service.\u003c\/li\u003e\n\u003cli\u003eFit and function: many customers report the kit fits well and restores engine smoothness and acceleration.\u003c\/li\u003e\n\u003cli\u003eDurable construction: epoxy exterior and copper windings in coils improve heat resistance and ignition speed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLongevity can be mixed: some users report excellent lifespan while others note shorter service life on a small number of units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMarsram\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded parts\u003c\/td\u003e\n\u003ctd\u003e4 ignition coils and 4 double iridium spark plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible engines\u003c\/td\u003e\n\u003ctd\u003e1.8L L4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible models\u003c\/td\u003e\n\u003ctd\u003e2009-2017 Corolla, 2009-2014 Matrix, 2010-2015 Prius, 2012-2017 Prius V, 2011-2016 CT200h, 2008-2016 Scion IM\/XD, 2009-2010 Vibe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces part numbers\u003c\/td\u003e\n\u003ctd\u003eUF596, UF619, 90919-02258, 90919-02252 and others\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil materials\u003c\/td\u003e\n\u003ctd\u003eEpoxy resin exterior, high-conductivity copper interior\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1-year aftermarket warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis ignition coil and double iridium plug kit is a practical, cost-effective option for owners of the listed 1.8L L4 Toyota and related models who want to restore engine smoothness and reliable starts. The bundled approach and solid construction deliver clear immediate benefits, though potential buyers should be aware of mixed longevity reports and use the warranty if early issues arise.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these coils and plugs fit my Corolla?\u003c\/strong\u003e\u003cbr\u003eThey fit Corolla models with the 1.8L L4 engine from 2009 to 2017; confirm your engine and year against the listed applications before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the spark plugs higher performance than stock?\u003c\/strong\u003e\u003cbr\u003eYes, the plugs use double iridium electrodes designed to maintain a stable gap and support more complete combustion compared with standard copper plugs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat if a part fails early?\u003c\/strong\u003e\u003cbr\u003eThe kit includes a 1-year warranty; contact the seller promptly for assistance and replacement under the warranty terms.\u003c\/p\u003e","brand":"Marsram","offers":[{"title":"Default Title","offer_id":48247436083419,"sku":"B0CKWX6W1L","price":59.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61uDGkxLK4L._AC_SL1500.jpg?v=1771062438","url":"https:\/\/gearmusthave.com\/products\/ignition-coil-pack-uf596-double-iridium-spark-plug-4912-reliable","provider":"GearMustHave","version":"1.0","type":"link"}