{"product_id":"a-premium-iridium-platinum-spark-plugs-pack-of-6-fine-wire-for-v6-engines-long-life","title":"A-Premium Iridium Platinum Spark Plugs — Pack of 6 Fine-Wire for V6 Engines, Long-Life","description":"\u003cstrong\u003eA-Premium Iridium Platinum Spark Plugs (pack of 6) are fine-wire, dual-core V6 replacement plugs engineered for long life and consistent ignition in compatible Ford, Lincoln, Mazda, Mercury and Land Rover V6 engines.\u003c\/strong\u003e\n\n\u003cp\u003eThese A-Premium spark plugs combine an iridium-tipped center electrode with a platinum core to deliver improved ignition stability and extended service life compared with standard copper plugs. Designed with a fine-wire electrode and a 0.055–0.059 inch gap, this six-pack fits many V6 Ford-family applications and selected Land Rover and Mazda engines. The plugs use a 14 mm thread diameter, 17.98 mm reach and a 53 mm insulator height to match factory-style dimensions for proper fit and heat range.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and models will these spark plugs fit?\u003c\/h3\u003e\n\u003cp\u003eThese plugs are intended for a broad range of V6 engines primarily from Ford and related brands; check your vehicle’s OEM reference number and engine specs before purchasing. They commonly fit 3.8L and 4.0–4.2L V6 applications in trucks, SUVs and some passenger cars across model years listed by the manufacturer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Ford F-150 (selected years), E-150\/E-250 Econoline series, Explorer, Ranger, Mustang, Taurus and more.\u003c\/li\u003e\n  \u003cli\u003eAlso matches fitments for Mazda B4000 V6, Land Rover LR3 V6 4.0L and several Lincoln and Mercury V6 models.\u003c\/li\u003e\n  \u003cli\u003eReference equivalents include 7316, TR551IX, XP6057, 7159 and TR551GP for cross-checking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do iridium and platinum materials benefit ignition and longevity?\u003c\/h3\u003e\n\u003cp\u003eIridium on the center tip provides a very hard, wear-resistant surface that maintains a sharp firing point, improving spark consistency over time. The platinum core supports heat control and electrode stability, together extending the interval between replacements compared with conventional plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine-wire iridium tip for reliable spark and reduced voltage needs.\u003c\/li\u003e\n  \u003cli\u003ePlatinum center core for thermal stability and gradual wear profile.\u003c\/li\u003e\n  \u003cli\u003eRecommended replacement interval of 80,000–100,000 miles under normal driving conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specifications to confirm fit and performance?\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify thread diameter, reach and hex size match your engine’s original equipment. These plugs use a 14 mm thread diameter, 17.98 mm reach and a 5\/8 inch (16 mm) hex for installation with standard tools, and the specified resistor value helps suppress radio frequency interference.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThread diameter: 14 mm; reach: 17.98 mm; insulator height: 53 mm.\u003c\/li\u003e\n  \u003cli\u003eHex size: 5\/8 inch for socket installation; gap: 0.055–0.059 in (pre-gapped).\u003c\/li\u003e\n  \u003cli\u003eResistance: 5000 ohms to reduce ignition noise for electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these spark plugs?\u003c\/h3\u003e\n\u003cp\u003eInstall using the correct torque and a clean spark plug socket to avoid cross-threading or damage to the insulator. Check and re-gap only if necessary, and follow your vehicle’s service manual for torque specs and replacement intervals to maintain engine performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse a torque wrench and the vehicle manufacturer’s torque spec to install.\u003c\/li\u003e\n  \u003cli\u003eInspect boots, wires and ignition coils when replacing plugs to ensure full system health.\u003c\/li\u003e\n  \u003cli\u003eReplace at 80,000–100,000 miles or per your vehicle manufacturer’s recommendation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: A-Premium’s Iridium Platinum fine-wire spark plugs are best for owners of V6 vehicles seeking a durable, OEM-style replacement that balances longevity and consistent spark performance. They suit DIY mechanics and professional installers who need factory-like fitment for older Ford V6 engines and compatible Land Rover, Mazda, Lincoln and Mercury models. Always confirm part cross-references and engine compatibility before purchase to ensure a correct match.\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 these plugs pre-gapped for my V6 engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they come pre-gapped at 0.055–0.059 inches; verify gap before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What mileage interval should I plan for replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A-Premium recommends replacing these iridium platinum plugs every 80,000–100,000 miles under normal driving.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":48085967929502,"sku":"B0CJFSMKVD","price":43.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/a-premium-front-packaging_f27469a8-c59e-4501-8300-6710293a9f36.jpg?v=1785881833","url":"https:\/\/northtrailauto.ca\/products\/a-premium-iridium-platinum-spark-plugs-pack-of-6-fine-wire-for-v6-engines-long-life","provider":"North Trail Auto","version":"1.0","type":"link"}