{"product_id":"x4xz-ignition-coil-spark-plug-kit-for-hyundai-elantra-2-0l-4-pack-uf816-with-double-iridium-9723-long-life","title":"X4XZ Ignition Coil \u0026 Spark Plug Kit for Hyundai Elantra 2.0L — 4-Pack UF816 with Double-Iridium 9723, Long-Life","description":"\u003cp\u003e\u003cstrong\u003eThis X4XZ kit pairs four UF816 ignition coils with four 9723 double-iridium spark plugs to restore reliable starts and smoother running for compatible 2.0L Hyundai and Kia engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle shows signs of misfires, rough idle, or reduced power, worn coils and plugs are often the cause. The X4XZ UF816 \u0026amp; 9723 kit replaces the factory units with parts designed to match or exceed OE specifications, offering long-lasting spark stability, low electrical interference, and easier installation for common Hyundai and Kia 2.0L models.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this ignition coil and spark plug kit fit?\u003c\/h3\u003e\n\u003cp\u003eThe kit is manufactured for a range of Hyundai and Kia models equipped with 2.0L engines. Confirm fitment against your VIN or engine code before purchase to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHyundai: Elantra (2017–2020), Kona (2018–2022), Sonata Hybrid (2016–2019), Veloster (2019–2021).\u003c\/li\u003e\n  \u003cli\u003eKia: Forte (2017–2022), Optima Hybrid (2017–2018), Soul (2020–2022), Seltos (2021–2022), Forte5 (2021–2022).\u003c\/li\u003e\n  \u003cli\u003eCheck the second main product image for additional vehicles listed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do the UF816 coils and double-iridium 9723 plugs improve engine performance?\u003c\/h3\u003e\n\u003cp\u003eThese components are engineered to deliver consistent, high-energy sparks and reduce electrical noise, which helps the engine fire cleanly and run more smoothly. The double-iridium electrodes extend service life compared with conventional plugs, while the coil’s design enhances voltage transfer under heat and vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLonger plug lifespan: double iridium construction for extended intervals (up to 100,000 km under ideal conditions).\u003c\/li\u003e\n  \u003cli\u003eStable ignition: stainless-steel spring and internal ferrite suppressors reduce radio-frequency interference.\u003c\/li\u003e\n  \u003cli\u003eDurable connectors: thermoplastic coil housings resist heat-related cracking and ensure a secure fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what OE references does it replace?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships with four ignition coil packs and four double-iridium spark plugs—enough for a single 4-cylinder ignition change. It references common OE numbers to simplify cross-referencing and replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: 4 x UF816 ignition coils, 4 x 9723 double-iridium spark plugs.\u003c\/li\u003e\n  \u003cli\u003eOEM\/replaceable references: 273002E601, 27300-2E601, UF-816, GN10877, LKR7DIX-11S, and others.\u003c\/li\u003e\n  \u003cli\u003eNote: no printed manual included; basic installation is straightforward for experienced DIYers or mechanics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow reliable is the kit and what support does X4XZ provide after purchase?\u003c\/h3\u003e\n\u003cp\u003eComponents are produced to meet or improve on factory designs, using corrosion-resistant and noise-suppressing materials to maintain reliable ignition over many cycles. X4XZ backs the product with customer support and a limited service warranty to address fitment or quality concerns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterials chosen to reduce radio interference and withstand thermal cycling.\u003c\/li\u003e\n  \u003cli\u003eManufacturer support: 24-hour customer service and a one-year product service policy.\u003c\/li\u003e\n  \u003cli\u003eIf installation or part issues occur, contact X4XZ customer service for assistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: this kit is intended for owners and technicians working on Hyundai and Kia 2.0L engines who need a direct replacement ignition coil and plug set. It’s suitable for DIYers comfortable with basic engine work and professional shops looking for cost-effective, OE-referenced parts that prioritize longevity and quieter electrical operation.\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: Will this kit fit my 2019 Hyundai Elantra 2.0L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this X4XZ kit lists compatibility with Hyundai Elantra 2017–2020 2.0L models. Verify your engine code or VIN to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long do the double-iridium spark plugs last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Double-iridium plugs are designed for extended life; under normal conditions they can last up to about 100,000 km.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"X4XZ","offers":[{"title":"Default Title","offer_id":48080678617246,"sku":"B0D62KZBZC","price":109.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/x4xz-kit-front-packaging_a7692765-91dd-4a7c-a150-08d88ef5f32f.jpg?v=1785784131","url":"https:\/\/northtrailauto.ca\/products\/x4xz-ignition-coil-spark-plug-kit-for-hyundai-elantra-2-0l-4-pack-uf816-with-double-iridium-9723-long-life","provider":"North Trail Auto","version":"1.0","type":"link"}