{"product_id":"a-premium-double-iridium-spark-plugs-pack-of-4-for-l4-engines-fine-wire-oem-fit","title":"A-Premium Double Iridium Spark Plugs Pack of 4 for L4 Engines — Fine-Wire, OEM Fit","description":"\u003cp\u003e\u003cstrong\u003eA-Premium Double Iridium Spark Plugs Pack of 4 are high-performance, fine-wire ignition plugs engineered for L4 engines to deliver reliable spark, long service life, and direct OEM-compatible fitment.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese double iridium plugs are built to meet tight OEM tolerances and are specified for many Toyota and Lexus L4 gasoline and hybrid engines. The design focuses on consistent ignitability and durability: iridium tips on both the center electrode and core give improved wear resistance and a stable gap over extended mileage. This pack of four is intended as a direct-replacement option for models such as Toyota Camry, RAV4, Corolla, Highlander, Avalon and Lexus ES300h and UX250h for the years listed in the fitment information.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines are these plugs compatible with?\u003c\/h3\u003e\n\u003cp\u003eThese spark plugs are matched to a range of Toyota and Lexus 4-cylinder engines, including gas and hybrid variations that share the same ignition specifications. Verify your vehicle’s year, engine code, and OEM reference number before purchase to ensure correct fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Lexus ES300h 2019–2020 (L4 2.5L) and UX250h 2019–2020 (L4 2.0L FHEV)\u003c\/li\u003e\n  \u003cli\u003eCompatible with Toyota Avalon 2019–2020, Camry 2018–2020 (L4 2.5L)\u003c\/li\u003e\n  \u003cli\u003eAlso fits Corolla 2019–2020 L4 1.8L\/1.8L GAS, Highlander 2020 L4 2.5L, RAV4 2019–2020 L4 2.5L\u003c\/li\u003e\n  \u003cli\u003eReference numbers: A-Premium fits 96210, DILKAR6T8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do double iridium electrodes affect engine performance?\u003c\/h3\u003e\n\u003cp\u003eDouble iridium electrodes improve ignition reliability and maintain a precise spark gap for longer than conventional plugs. That steady spark timing supports consistent combustion, smoother idle and better throttle response without changing ignition system components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium center electrode tip and core resist wear for prolonged service life\u003c\/li\u003e\n  \u003cli\u003eFine-wire design reduces voltage demand from the ignition coil\u003c\/li\u003e\n  \u003cli\u003eStable 0.032 in gap supports repeatable spark events under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I replace these spark plugs?\u003c\/h3\u003e\n\u003cp\u003eDouble iridium plugs are designed for extended intervals compared with standard copper plugs; recommended replacement typically falls in the high mileage range. Follow your vehicle manufacturer’s maintenance schedule and inspect plugs if you notice rough running, misfires or decreased fuel economy.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuggested replacement window: roughly 100,000–120,000 miles under normal conditions\u003c\/li\u003e\n  \u003cli\u003eCheck earlier if the engine shows misfire codes, hard starting, or increased fuel consumption\u003c\/li\u003e\n  \u003cli\u003eAlways gap and torque to OEM specs during installation for best performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these spark plugs an exact replacement for OEM parts?\u003c\/h3\u003e\n\u003cp\u003eThese A-Premium plugs are engineered to match OEM dimensions and performance characteristics for the specified reference numbers and vehicle models. They are intended as a direct-fit aftermarket alternative when the reference numbers, gap size and thread dimensions correspond to your original equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured to OEM-style tolerances for fit and sealing\u003c\/li\u003e\n  \u003cli\u003ePre-set gap: 0.032 inches; confirm before installation\u003c\/li\u003e\n  \u003cli\u003eSold as a pack of four for typical 4-cylinder ignition banks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This pack is suited to vehicle owners and independent mechanics who need a long-life, OEM-compatible spark plug solution for 4-cylinder Toyota and Lexus gas or hybrid engines. It works well for routine maintenance, high-mileage restorations, or preventative replacement when seeking improved ignition stability and fewer service intervals compared with conventional plugs. Confirm compatibility using your vehicle year, engine size and the reference numbers provided before ordering.\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: What is the correct gap for these spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The plugs are pre-set to a 0.032 inch gap; verify and adjust to your vehicle’s specs if necessary.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many miles do A-Premium double iridium plugs typically last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are engineered for long life; replacement is generally recommended around 100,000–120,000 miles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":48085560950942,"sku":"B0CF9VDVNR","price":39.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/a-premium-front-packaging_9d76a478-6daf-4026-bc78-55774c7a42d3.jpg?v=1785873266","url":"https:\/\/northtrailauto.ca\/products\/a-premium-double-iridium-spark-plugs-pack-of-4-for-l4-engines-fine-wire-oem-fit","provider":"North Trail Auto","version":"1.0","type":"link"}