{"product_id":"sixity-auto-ngk-iridium-ix-spark-plugs-for-toyota-tacoma-4-0l-v6-2005-2015-6-pc-set-long-life-iridium","title":"Sixity Auto NGK Iridium IX Spark Plugs for Toyota Tacoma 4.0L V6 (2005–2015) — 6‑pc Set, Long‑Life Iridium","description":"\u003cb\u003eThese six NGK Iridium IX spark plugs are direct-fit ignition replacements engineered to restore efficient combustion and reliable starts in Toyota Tacoma 4.0L V6 engines (2005–2015).\u003c\/b\u003e\n\n\u003cp\u003eIf your Tacoma is showing rough idling, reduced throttle response, or declining fuel economy, worn spark plugs are a common culprit. This 6-piece set from Sixity Auto contains genuine NGK Iridium IX plugs, designed with a durable iridium center electrode and corrosion-resistant shell to improve spark focus and long service life. The plugs match factory reach and heat range so they fit without modification and help maintain emissions and engine performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these NGK Iridium IX plugs affect daily drivability?\u003c\/h3\u003e\n\u003cp\u003eReplacing degraded plugs with NGK Iridium IX often restores smoother idle, crisper acceleration, and more consistent starts. The fine iridium tip allows a stronger, more concentrated spark that helps complete combustion more reliably across engine loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmoother cold and warm starts due to improved ignitability\u003c\/li\u003e\n  \u003cli\u003eReduced throttle hesitation with more consistent firing\u003c\/li\u003e\n  \u003cli\u003eFewer misfires under load, especially during towing or acceleration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability and longevity can I expect from these plugs?\u003c\/h3\u003e\n\u003cp\u003eIridium-tipped electrodes are harder and wear more slowly than standard alloys, so they maintain the factory spark gap longer and resist erosion. The corrosion-resistant shell and quality construction contribute to extended service intervals compared with conventional copper plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium center electrode resists wear and preserves gap consistency\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant shell protects threads and sealing surfaces\u003c\/li\u003e\n  \u003cli\u003eNGK manufacturing standards reduce premature failure risk\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these plugs easy to install and compatible with my Tacoma?\u003c\/h3\u003e\n\u003cp\u003eThese are OEM-fit NGK replacements matched for Toyota Tacoma 4.0L V6 models from 2005 through 2015, so installation is straightforward using standard tools. No special adaptations are required—simply follow torque specs and gap checks recommended for the engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit for Toyota Tacoma 4.0L V6 (2005–2015) — no reaming or adapters\u003c\/li\u003e\n  \u003cli\u003eSold as a 6-piece set to replace all cylinders at once\u003c\/li\u003e\n  \u003cli\u003eFits standard spark plug socket and torque wrench procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill switching to NGK Iridium IX affect emissions or fuel economy?\u003c\/h3\u003e\n\u003cp\u003eWhile results vary by vehicle condition, sharper and more consistent ignition typically improves combustion efficiency, which can help reduce unburned hydrocarbons and marginally improve fuel economy. Properly functioning plugs also help the engine run cleaner, reducing the chance of emission-related codes caused by misfires.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTighter combustion reduces incomplete burn and lowers misfire counts\u003c\/li\u003e\n  \u003cli\u003eMaintained spark gap supports steady fuel-air ignition across RPMs\u003c\/li\u003e\n  \u003cli\u003eHelps the engine operate closer to original factory efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Sixity Auto 6-piece NGK Iridium IX set is for Toyota Tacoma owners and mechanics who want OEM-compatible, long-lasting ignition parts that restore reliable starts and smoother performance. It’s a practical upgrade for trucks used daily, for light towing, or for vehicles showing age-related ignition symptoms where a durable, proven spark plug can deliver measurable improvement.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGenuine NGK parts manufactured to original-equipment standards\u003c\/li\u003e\n  \u003cli\u003eDesigned to reduce emissions, misfires, and fuel inefficiency\u003c\/li\u003e\n  \u003cli\u003eIridium electrodes for improved ignitability and longer life\u003c\/li\u003e\n  \u003cli\u003eSold as a complete 6-plug set for full engine replacement\u003c\/li\u003e\n\u003c\/ul\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 plugs fit all Toyota Tacoma 4.0L V6 years?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this 6-plug NGK Iridium IX set fits Toyota Tacoma 4.0L V6 models from 2005 through 2015 as direct replacements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace NGK Iridium IX spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Iridium plugs typically last longer than copper types; many owners replace them every 60,000–100,000 miles depending on driving and maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sixity Auto","offers":[{"title":"Default Title","offer_id":67586683207865,"sku":"B0827Y13H6","price":144.18,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/sixity-auto-ngk-iridium-ix-front-packaging_d34b07e8-dff3-401a-8b17-c315ad452fc8.jpg?v=1790489662","url":"https:\/\/redleafauto.ca\/products\/sixity-auto-ngk-iridium-ix-spark-plugs-for-toyota-tacoma-4-0l-v6-2005-2015-6-pc-set-long-life-iridium","provider":"Redleaf Auto","version":"1.0","type":"link"}