{"product_id":"sixity-auto-ngk-iridium-ix-spark-plugs-for-ford-f-150-3-5l-v6-2011-2019-6-pc-oem-direct-fit-long-life","title":"Sixity Auto NGK Iridium IX Spark Plugs for Ford F-150 3.5L V6 (2011–2019) — 6 pc OEM direct-fit, long-life","description":"\u003cp\u003e\u003cstrong\u003eThese six NGK Iridium IX spark plugs are a direct-fit replacement designed for Ford F-150 3.5L V6 engines from 2011 through 2019, sold as genuine NGK parts in original packaging.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you’re performing routine maintenance, restoring lost performance, or replacing worn ignition components after high mileage, this Sixity Auto listing provides a complete six-pack of NGK Iridium IX plugs matched to the 3.5L V6 in many F-150 model years. NGK’s Iridium IX family is engineered for consistent spark delivery and long life; this listing includes OEM-equivalent hardware and is sold as genuine NGK parts so you receive factory-style packaging and fitment. Before purchase, confirm your vehicle fitment with Amazon’s Confirmed Fit or your VIN to ensure compatibility across model years 2011–2019.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these spark plugs affect everyday driving performance?\u003c\/h3\u003e\n\u003cp\u003eUp-to-spec spark plugs help the engine burn fuel more evenly, which supports smoother idling, more reliable starts, and steady throttle response. Iridium electrodes are harder and wear more slowly than conventional materials, maintaining a consistent gap over time for stable combustion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved ignition stability under varied driving conditions\u003c\/li\u003e\n  \u003cli\u003eLonger service interval compared with standard copper plugs\u003c\/li\u003e\n  \u003cli\u003eBetter cold-start performance and reduced misfire risk\u003c\/li\u003e\n  \u003cli\u003eSold in a full six-pack to replace all cylinders at once\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these NGK Iridium IX plugs a direct replacement for my F-150’s factory parts?\u003c\/h3\u003e\n\u003cp\u003eYes — these are genuine NGK parts configured to match the factory specifications for many 3.5L V6 F-150 engines from 2011 to 2019. They come with original packaging and any required hardware, making installation straightforward when following manufacturer torque and gap settings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit design for plug thread, reach, and heat range\u003c\/li\u003e\n  \u003cli\u003eIncludes genuine NGK packaging and supplied hardware\u003c\/li\u003e\n  \u003cli\u003eReplace all six plugs at once to maintain even performance\u003c\/li\u003e\n  \u003cli\u003eVerify with VIN or Amazon Confirmed Fit for your exact model\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance benefits and lifespan can I expect from Iridium IX plugs?\u003c\/h3\u003e\n\u003cp\u003eIridium’s fine-tipped center electrode resists erosion better than conventional alloys, which helps preserve spark efficiency and gap integrity. While exact service life depends on driving conditions and engine tune, iridium plugs commonly last longer than copper or nickel-plated types, helping stretch intervals between replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable iridium center for slower electrode wear\u003c\/li\u003e\n  \u003cli\u003eConsistent spark gap preserves combustion efficiency\u003c\/li\u003e\n  \u003cli\u003eReduced need for frequent plug changes under normal use\u003c\/li\u003e\n  \u003cli\u003eFull six-pack allows uniform replacement across cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and verify fitment to avoid issues?\u003c\/h3\u003e\n\u003cp\u003eInstall using correct torque specifications, anti-seize where recommended by the service manual, and the OEM-specified gap if not pre-gapped. Always inspect ignition coils, boots, and wiring for wear; replacing all plugs at once ensures balanced cylinder performance and simplifies diagnostics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck vehicle service manual for torque and gap specs\u003c\/li\u003e\n  \u003cli\u003eReplace ignition coils or boots if damaged during swap\u003c\/li\u003e\n  \u003cli\u003eConfirm part compatibility with VIN or online fitment tools\u003c\/li\u003e\n  \u003cli\u003eUse the included original NGK packaging identifiers for confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This six-pack is intended for owners, DIY mechanics, and professional technicians who need a complete set of genuine NGK Iridium IX spark plugs for Ford F-150 trucks equipped with the 3.5L V6 engine from model years 2011 to 2019. It’s a practical purchase when performing scheduled maintenance, addressing misfires, or restoring ignition reliability after high mileage. Ensure you confirm exact fitment with your VIN or the seller’s fitment checker prior to ordering to guarantee 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 these plugs fit my F-150 3.5L V6 from 2016?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, these NGK Iridium IX plugs are compatible with Ford F-150 3.5L V6 model years 2011–2019; confirm with your VIN or Amazon Confirmed Fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to replace all six plugs at once?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacing all six plugs at the same time ensures even performance and simplifies maintenance; the listing includes a full six-pack for this purpose.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sixity Auto","offers":[{"title":"Default Title","offer_id":48081134551198,"sku":"B0D1DJ8GMK","price":94.72,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sixityauto-ngk-iridium-ix-front-packaging.jpg?v=1785797150","url":"https:\/\/northtrailauto.ca\/products\/sixity-auto-ngk-iridium-ix-spark-plugs-for-ford-f-150-3-5l-v6-2011-2019-6-pc-oem-direct-fit-long-life","provider":"North Trail Auto","version":"1.0","type":"link"}