{"product_id":"a-premium-ignition-coil-and-iridium-spark-plug-kit-for-mazda-2-0l-2-5l-set-of-4-coils-4-iridium-plugs-direct-fit-oe-specs","title":"A-Premium Ignition Coil and Iridium Spark Plug Kit for Mazda 2.0L\/2.5L — Set of 4 Coils \u0026 4 Iridium Plugs, Direct-Fit OE Specs","description":"\u003cp\u003e\u003cstrong\u003eA-Premium Set of 4 ignition coils paired with four iridium spark plugs is a direct-fit replacement kit engineered for many Mazda 2.0L and 2.5L engines to restore reliable spark, smoother idling, and consistent starts.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis all-in-one kit from A-Premium combines four coil-on-plug ignition coils and four iridium-tipped spark plugs designed to meet factory fit and function for a broad range of Mazda models. The components are specified to the OE-style mounting, electrical resistance, and spark gap to ensure plug-and-play installation on compatible engines. Whether you’re replacing worn ignition parts or upgrading to longer-lasting iridium plugs, this kit gives a balanced approach to performance and longevity without complex tuning.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Mazda models will this ignition coil and spark plug kit fit?\u003c\/h3\u003e\n\u003cp\u003eThe kit covers multiple Mazda sedans, crossovers, and the MX-5 Miata across several years — primarily 2.0L and 2.5L naturally aspirated engines without cylinder-deactivation systems. Always cross-reference your vehicle’s year, engine code, and the listed reference numbers before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models include Mazda 3 (2012–2024 variations depending on engine), CX-3 (2016–2021), CX-30 (2020–2024), CX-5 (2013–2024), CX-9 (2016–2023), and MX-5 Miata (2016–2024).\u003c\/li\u003e\n  \u003cli\u003eDesigned for engines specified in the product fitment list: L4 2.0L and L4 2.5L ranges, with noted exceptions for cylinder-deactivation variants.\u003c\/li\u003e\n  \u003cli\u003eReference part numbers: UF656, PE0118100A, C1837 for quick cross-checking against OEM catalogs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the technical specs and installation details I should know?\u003c\/h3\u003e\n\u003cp\u003eThe coils and plugs follow OE-style electrical and mechanical specifications so installers can expect a straightforward swap. Torque, thread size, and resistance values are provided to help you install safely and achieve the correct connection and seating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCoil terminal count: 4 with blade terminals and bolt-on mount to the valve cover.\u003c\/li\u003e\n  \u003cli\u003eElectrical specs: primary resistance approx. 0.85 Ω and secondary around 9.0 kΩ.\u003c\/li\u003e\n  \u003cli\u003eSpark plug details: iridium+nickel central electrode, 12 mm thread diameter, recommended gap 1.0–1.1 in, installation torque 15–20 N·m.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do iridium spark plugs improve performance and service life?\u003c\/h3\u003e\n\u003cp\u003eIridium is a hard, refined alloy used on the central electrode that maintains a stable, fine-point spark for longer than conventional materials. This results in more consistent combustion, longer replacement intervals, and reliable starts across seasonal temperature changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLonger service life — iridium can last significantly longer than standard nickel plugs.\u003c\/li\u003e\n  \u003cli\u003eMore stable idle and improved ignition consistency under load and cold starts.\u003c\/li\u003e\n  \u003cli\u003ePotential for modest fuel efficiency and emissions benefits due to more complete combustion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDoes A-Premium back this kit with a warranty?\u003c\/h3\u003e\n\u003cp\u003eA-Premium stands behind the kit with a one-year unlimited-mileage guarantee covering manufacturing defects. This warranty provides extra assurance at the time of purchase but does not replace routine inspection and correct installation practices.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-year, unlimited-mileage coverage from A-Premium for manufacturing faults.\u003c\/li\u003e\n  \u003cli\u003eRecommended to retain proof of purchase and document installation for warranty claims.\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle manufacturer torque and installation procedures to avoid damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The A-Premium 4-coil and 4-plug kit is aimed at DIY mechanics and professional technicians working on compatible Mazda 2.0L and 2.5L engines who want an OEM-style replacement with the durability of iridium plugs. It’s a practical choice for drivers seeking reliable starts, steadier idling, and extended spark-plug intervals without altering engine tuning. Verify fitment with your vehicle year and engine variant before buying to ensure correct compatibility.\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 Mazda CX-5 2017 2.5L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it fits many CX-5 2.5L models 2014–2024, but confirm your engine has no cylinder-deactivation before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What torque should I use when installing the spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Torque spark plugs to 15–20 N·m as specified to ensure proper seating and seal.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":48080830988446,"sku":"B0BVHQ7B6B","price":105.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/a-premium-front-packaging-ignition-coil-and-plugs.jpg?v=1785789432","url":"https:\/\/northtrailauto.ca\/products\/a-premium-ignition-coil-and-iridium-spark-plug-kit-for-mazda-2-0l-2-5l-set-of-4-coils-4-iridium-plugs-direct-fit-oe-specs","provider":"North Trail Auto","version":"1.0","type":"link"}