{"product_id":"ngk-iridium-spark-plugs-ifr5t11-pack-of-4-laser-iridium-for-4-cylinder-engines-long-life","title":"NGK Iridium Spark Plugs IFR5T11 Pack of 4 — Laser Iridium for 4‑Cylinder Engines, Long Life","description":"\u003cp\u003e\u003cstrong\u003eNGK 4996 Laser Iridium spark plugs (IFR5T11) are a four-pack of OEM-grade iridium plugs designed to deliver consistent ignition performance and extended service life for compatible 4-cylinder engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese NGK iridium plugs combine a fine-wire iridium center electrode with proven NGK construction to offer dependable starts, stable combustion and long replacement intervals. They are commonly specified by manufacturers as original equipment and are produced by NGK, the world's largest OEM spark plug supplier. Before installing, confirm fitment for your vehicle's year, engine and required quantity to ensure compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will accept NGK IFR5T11 spark plugs?\u003c\/h3\u003e\n\u003cp\u003eThese plugs fit a wide range of compact and mid-size vehicles from the 1990s through the 2010s. Typical applications include several Toyota, Scion, Pontiac, Chevrolet, Dodge, Geo and Saturn models with 4-cylinder engines; always verify exact engine displacement and model year.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eToyota: Corolla, Celica, Prius, 4Runner (selected years and L4 engines), Echo, Matrix, MR2, Tacoma, Yaris, MR2 Spyder, Paseo, Previa\u003c\/li\u003e\n  \u003cli\u003eScion: xB (2012–2015)\u003c\/li\u003e\n  \u003cli\u003ePontiac\/Chevrolet\/Geo: Vibe, Prizm, Storm (selected years)\u003c\/li\u003e\n  \u003cli\u003eDodge\/Saturn: Stratus and multiple Saturn S-series\/SC\/SL\/SW variants with 1.9–2.4L 4-cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these iridium plugs affect everyday driving and reliability?\u003c\/h3\u003e\n\u003cp\u003eIridium's high melting point lets NGK use a finer center electrode, which improves spark focus and requires less voltage to fire. The result is smoother idle, consistent starts and longer intervals between replacements compared with standard nickel plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFiner electrode for more reliable ignition under varying conditions\u003c\/li\u003e\n  \u003cli\u003eImproved wear resistance extends service life\u003c\/li\u003e\n  \u003cli\u003eConsistent combustion can support steadier throttle response\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before buying NGK 4996 IFR5T11 plugs?\u003c\/h3\u003e\n\u003cp\u003eConfirm that IFR5T11 is the correct part for your vehicle by checking NGK’s online application guide or your owner's manual. Verify engine displacement, cylinder count and the number of plugs required because this listing is a pack of four.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross-reference NGK part number 4996 \/ IFR5T11 with your vehicle\u003c\/li\u003e\n  \u003cli\u003eConfirm engine type (L4) and required plug gap if specified\u003c\/li\u003e\n  \u003cli\u003ePurchase the correct quantity—this listing contains four spark plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and care for NGK iridium spark plugs?\u003c\/h3\u003e\n\u003cp\u003eInstall using the recommended torque and a clean spark plug socket; use a gap gauge only if your vehicle lists a nonstandard gap. Replace plugs at the interval recommended by the vehicle manufacturer, and inspect ignition components like wires or coils at the same time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHand-start threads, then tighten to manufacturer torque specification\u003c\/li\u003e\n  \u003cli\u003eCheck ground electrode for proper gap when required by OEM\u003c\/li\u003e\n  \u003cli\u003eInspect coils\/wires and replace if showing wear or damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Mechanics, DIY enthusiasts and owners of compatible compact and midsize cars who want a direct-replacement OEM-quality iridium spark plug will find the NGK 4996 IFR5T11 pack a practical choice. It suits drivers seeking longer service intervals and reliable ignition from a brand widely used by vehicle manufacturers; ideal when you want a straightforward swap-in plug that meets original equipment standards.\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: Are NGK IFR5T11 spark plugs the original equipment for my car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are often OEM-specified for many models; check NGK’s application guide or your owner's manual to confirm fitment for your exact year and engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long do NGK iridium spark plugs typically last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Iridium plugs usually last longer than standard plugs; follow your vehicle manufacturer's service interval for replacement guidance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48080844718238,"sku":"B00TTP5RYQ","price":67.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-4996-pack-front-view.jpg?v=1785790055","url":"https:\/\/northtrailauto.ca\/products\/ngk-iridium-spark-plugs-ifr5t11-pack-of-4-laser-iridium-for-4-cylinder-engines-long-life","provider":"North Trail Auto","version":"1.0","type":"link"}