{"product_id":"kacuyelin-uf491-ignition-coil-pack-iridium-spark-plug-kit-set-of-4-for-gm-2-2l-2-4l-direct-fit-high-durability","title":"KacuYelin UF491 Ignition Coil Pack \u0026 Iridium Spark Plug Kit — Set of 4 for GM 2.2L–2.4L (Direct-Fit, High-Durability)","description":"\u003cstrong\u003eA complete set of four KacuYelin UF491 ignition coil packs with four iridium spark plugs engineered to replace OE UF645\/5C1609\/XP5263 and restore reliable ignition across compatible GM 4-cylinder engines.\u003c\/strong\u003e\n\nThis kit bundles four high-quality ignition coils and four iridium-tipped spark plugs manufactured by KacuYelin in TS16949-certified facilities. Each coil uses high-purity copper windings and temperature-resistant epoxy for stable high-voltage delivery, while the iridium plugs feature laser-welded center electrodes and durable ceramics to maintain spark consistency and long service life. The set is designed as a direct-fit replacement for a wide range of Chevy, GMC, Buick, Saturn, Pontiac, and Saab models from roughly 2005 through 2017.\n\n\u003ch3\u003eWhich vehicles and engines will this set fit?\u003c\/h3\u003e\n\u003cp\u003eThe kit is intended for GM 4-cylinder applications that use the UF491\/UF645 family of coils and corresponding spark plugs. Fitment includes specific model years and 2.2L–2.4L engines across Chevrolet, GMC, Buick, and other GM brands. Always confirm your vehicle year, model, engine size, and submodel before ordering to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCommon fits: Chevy HHR, Cobalt, Equinox, Malibu, Captiva Sport, Orlando\u003c\/li\u003e\n\u003cli\u003eGMC Terrain 2.4L and Buick LaCrosse\/Regal\/Verano 2.4L\u003c\/li\u003e\n\u003cli\u003eReplaces OE references such as UF-491, 12638824, 5C1609, UF645, and related numbers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do the coils and plugs improve engine performance?\u003c\/h3\u003e\n\u003cp\u003eThe coils deliver consistent high-voltage output thanks to premium copper windings and a silicon steel core that resists oxidation and heat. The iridium spark plugs concentrate the spark with a laser-welded center electrode and high-alumina ceramic body to resist wear and reduce fouling, helping combustion stay efficient.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore stable ignition reduces misfires and rough idle\u003c\/li\u003e\n\u003cli\u003eConcentrated spark improves combustion and throttle response\u003c\/li\u003e\n\u003cli\u003eDurable materials extend service life and lower replacement frequency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the technical features and materials used?\u003c\/h3\u003e\n\u003cp\u003eThe coil packs use German-imported copper and robust epoxy resin to maintain insulation under high temperature. The iridium plugs combine a 360° laser-welded center electrode with high-purity nickel content and 95% alumina ceramic for superior heat resistance and electrical insulation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-purity copper windings and silicon steel core in coils\u003c\/li\u003e\n\u003cli\u003e360° continuous laser welding on the iridium electrode\u003c\/li\u003e\n\u003cli\u003eHigh-alumina ceramics for heat resistance and stable insulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill installing this kit affect fuel economy or emissions?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn coils and plugs can restore combustion efficiency, which often reduces fuel consumption and lowers emissions compared with degraded ignition components. While exact gains vary by vehicle condition, this kit is designed to meet OEM fitment and support cleaner combustion when installed correctly.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOptimized spark timing can improve MPG under normal driving\u003c\/li\u003e\n\u003cli\u003eReduced misfires lower unburned hydrocarbons and exhaust emissions\u003c\/li\u003e\n\u003cli\u003eDirect plug-and-play design for straightforward replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for?\n\nThis KacuYelin UF491 coil and iridium plug set is for DIY mechanics, independent repair shops, and owners of compatible GM 4-cylinder vehicles who want factory-style fitment and materials without the dealer price. It's a practical choice when diagnosing repeated misfires, poor cold starts, decreased fuel economy, or when performing scheduled ignition maintenance. Confirm your vehicle details in the fitment tool before purchase to ensure a correct match.\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these coils and plugs fit my 2010 Chevy Equinox 2.4L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit lists compatibility with 2010–2017 Equinox 2.4L, but confirm exact engine and submodel before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long do the iridium spark plugs typically last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Iridium plugs in this kit are rated for long service life, commonly 60,000 to 100,000 miles depending on driving conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KacuYelin","offers":[{"title":"Default Title","offer_id":48084155138206,"sku":"B0FPDC9KL6","price":85.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/kacuyelin-coil-pack-front-view_8c7c30e1-6f24-4269-988c-b23ef018b33a.jpg?v=1785847632","url":"https:\/\/northtrailauto.ca\/products\/kacuyelin-uf491-ignition-coil-pack-iridium-spark-plug-kit-set-of-4-for-gm-2-2l-2-4l-direct-fit-high-durability","provider":"North Trail Auto","version":"1.0","type":"link"}