{"product_id":"wjauto-iridium-spark-plugs-4-pack-pre-gapped-oem-replacement-long-life-ignition","title":"WJAUTO Iridium Spark Plugs 4-Pack — Pre-Gapped OEM Replacement, Long-Life Ignition","description":"\u003cp\u003e\u003cstrong\u003eWJAUTO Iridium Spark Plugs 4-pack are pre-gapped, OEM-style replacement plugs designed to deliver reliable ignition, extended service life, and improved throttle response for compatible vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese WJAUTO iridium spark plugs are engineered as direct-fit replacements for a wide range of Japanese, European, and American makes, including Toyota, Mazda, Nissan, Mercedes-Benz, Lexus, Land Rover, Jaguar, Infiniti, Chevrolet, Acura, Pontiac, Scion, and Suzuki. Each plug uses a fine iridium center electrode to promote quicker combustion and reduced carbon buildup, while being pre-gapped to factory specifications so they’re ready to install right out of the box.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these spark plugs affect everyday driving?\u003c\/h3\u003e\n\u003cp\u003eUpgrading to iridium electrodes typically improves the consistency and speed of ignition compared with standard copper plugs. That can translate into smoother starts, more responsive acceleration, and steadier idling in normal driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFiner iridium electrode promotes faster, more reliable sparks.\u003c\/li\u003e\n  \u003cli\u003ePre-gapped to OEM specs reduces installation guesswork.\u003c\/li\u003e\n  \u003cli\u003eDesigned to lower carbon buildup for stable engine behavior.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long can I expect them to last compared to other plugs?\u003c\/h3\u003e\n\u003cp\u003eWJAUTO’s iridium construction is chosen for durability under high temperatures and repeated combustion cycles. Under typical use these plugs are rated for up to around 80,000 km, which commonly outlasts conventional copper and many platinum options.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium iridium center electrode resists wear at high heat.\u003c\/li\u003e\n  \u003cli\u003eExtended service intervals mean fewer replacements and lower maintenance frequency.\u003c\/li\u003e\n  \u003cli\u003eConsistent spark performance over a longer mileage span.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these plugs easy to install for DIYers or mechanics?\u003c\/h3\u003e\n\u003cp\u003eYes — each plug is pre-gapped at the factory to match OEM tolerances, eliminating the need for immediate gap adjustments before fitting. They come in a convenient 4-pack to replace all cylinders on many common engines, and are built to standard dimensions for straightforward hand or shop installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-gapped for plug-and-play installation.\u003c\/li\u003e\n  \u003cli\u003e4-pack provides a complete set for typical four-cylinder engines.\u003c\/li\u003e\n  \u003cli\u003eOEM-style fitment helps avoid clearance and compatibility issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles will these spark plugs fit and how should I verify compatibility?\u003c\/h3\u003e\n\u003cp\u003eWJAUTO lists broad compatibility across many manufacturers, but fitment depends on year, engine, and model specifics. Always confirm the exact part number or check your vehicle using tools such as the seller’s fitment guide or Amazon Garage before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Toyota, Nissan, Mazda, Mercedes-Benz, Lexus, and more.\u003c\/li\u003e\n  \u003cli\u003eCheck year, make, model, and engine code for confirmation.\u003c\/li\u003e\n  \u003cli\u003eIf in doubt, consult OEM part numbers or a mechanic before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? These WJAUTO iridium spark plugs suit drivers who want a cost-effective performance and longevity upgrade from stock copper plugs — DIY enthusiasts doing tune-ups, independent mechanics needing reliable OEM-style replacements, and owners of compatible Toyota, Mazda, Nissan, Lexus, Mercedes-Benz, and other supported vehicles seeking reduced maintenance frequency and improved ignition stability. If you need a ready-to-install, long-life spark plug set for routine maintenance or performance-minded replacements, this 4-pack provides a practical solution.\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: Do these WJAUTO spark plugs come pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Each WJAUTO plug is pre-gapped to OEM specifications so they’re ready to install without adjustment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What mileage life can I expect from these iridium plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They’re rated for up to about 80,000 km under typical driving conditions, depending on engine and use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"WJAUTO","offers":[{"title":"Default Title","offer_id":48084367966366,"sku":"B0F4FK2MJ9","price":34.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/wjauto-spark-plugs-front-packaging.jpg?v=1785851881","url":"https:\/\/northtrailauto.ca\/products\/wjauto-iridium-spark-plugs-4-pack-pre-gapped-oem-replacement-long-life-ignition","provider":"North Trail Auto","version":"1.0","type":"link"}