{"product_id":"hengcool-ignition-coil-iridium-spark-plug-kit-for-ford-3-5l-v6-uf553-oem-style-direct-replacement","title":"HENGCOOL Ignition Coil \u0026 Iridium Spark Plug Kit for Ford 3.5L V6 — UF553 OEM-Style Direct Replacement","description":"\u003cp\u003e\u003cstrong\u003eHENGCOOL UF553 is a complete ignition coil and iridium spark plug replacement kit engineered to restore reliable spark delivery for a range of Ford and compatible V6 3.5L and 3.7L engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit pairs high-quality ignition coils manufactured to OEM-style specifications with precision-gapped iridium spark plugs, offering a direct-replacement option for many Ford, Lincoln, Mercury and selected Mazda applications. The components are tested for thermal, vibration, and humidity resistance and are intended for naturally aspirated (non-EcoBoost) V6 engines where the listed part numbers match. Before ordering, verify fitment against your vehicle year, engine size, and original equipment part numbers.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and part numbers does this HENGCOOL kit fit?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit supports a broad set of naturally aspirated Ford V6 models and some Lincoln, Mercury and Mazda vehicles. It replaces several common OE and aftermarket reference numbers, so cross-checking your current part number is recommended to ensure exact compatibility.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible engines: Ford V6 3.5L and select 3.7L applications (non-turbo).\u003c\/li\u003e\n  \u003cli\u003eCommon models covered: Edge, Explorer, F-150 (XL\/XLT), Flex, Fusion, Taurus, Police Interceptor, Lincoln MKZ\/MKS\/MKT\/MKX and select Mazda 6 years.\u003c\/li\u003e\n  \u003cli\u003eReplaces: UF553, UF-553, UF595 and many OE numbers including 7T4Z-12029-DA\/E, CY0118100 variants and others listed.\u003c\/li\u003e\n  \u003cli\u003eNot compatible with EcoBoost (turbocharged) engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the technical specifications and plug details?\u003c\/h3\u003e\n\n\u003cp\u003eThe ignition coils use a two-pin connector and are manufactured to meet OE electrical and thermal tolerances. The iridium spark plugs come preset to a precise gap and sized to match factory threads and hex sizes for easy installation with standard tools.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIgnition coil connector: 2-pin design compatible with listed OEM harnesses.\u003c\/li\u003e\n  \u003cli\u003eSpark plug thread: 14 mm; heat range: 6; preset gap approximately 0.044 in (1.1 mm).\u003c\/li\u003e\n  \u003cli\u003ePlug hex size: 16 mm (5\/8 in) for standard socket removal and torque.\u003c\/li\u003e\n  \u003cli\u003eMaterials: corrosion-resistant coil housings and iridium tips for consistent spark.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will these coils and plugs affect drivability and maintenance?\u003c\/h3\u003e\n\n\u003cp\u003eReplacing worn coils and fouled plugs with matched components helps restore consistent combustion and smooth idle. While results vary with vehicle condition, fresh ignition parts typically reduce misfires and can improve throttle response and fuel burn stability when installed correctly.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGoal: quicker, more reliable ignition across all cylinders for steady idle and acceleration.\u003c\/li\u003e\n  \u003cli\u003eDesigned to resist heat, vibration, and humidity for long-term durability.\u003c\/li\u003e\n  \u003cli\u003eInstallation is straightforward—direct-fit replacements using factory connectors and mounting points.\u003c\/li\u003e\n  \u003cli\u003eMay contribute to improved fuel efficiency and lower exhaust irregularities when replacing degraded units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before purchasing or installing this kit?\u003c\/h3\u003e\n\n\u003cp\u003eConfirm that your vehicle uses naturally aspirated 3.5L or supported 3.7L V6 engines and that the OE part numbers match one of the listed replacements. If unsure, consult your vehicle’s service manual or enter your VIN in a parts-lookup tool for a fitment check.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVerify engine displacement and model year against the compatibility list.\u003c\/li\u003e\n  \u003cli\u003eCross-reference your current coil and plug part numbers with the kit’s replaceable numbers.\u003c\/li\u003e\n  \u003cli\u003eEnsure the vehicle is not an EcoBoost\/turbocharged variant.\u003c\/li\u003e\n  \u003cli\u003eHave basic hand tools and torque wrench ready for correct plug installation torque.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This HENGCOOL UF553 coil and iridium spark plug kit is intended for DIY mechanics, professional technicians, and vehicle owners aiming to replace multiple ignition components at once on naturally aspirated Ford V6 engines (and compatible Lincoln, Mercury, Mazda applications). It’s best for those who want an OEM-style, drop-in replacement to restore ignition reliability and avoid diagnostic repeat visits due to worn coils or plugs.\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 coils compatible with EcoBoost engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This HENGCOOL kit is not compatible with turbocharged EcoBoost engines; it fits naturally aspirated 3.5L and select 3.7L V6 models only.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the spark plugs come pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The iridium spark plugs are preset to approximately 0.044 inches, but verify gap before install and adjust if needed per manufacturer specs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HENGCOOL","offers":[{"title":"Default Title","offer_id":48082837864606,"sku":"B0DB1Y22BT","price":109.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/hengcool-kit-front-packaging.jpg?v=1785815885","url":"https:\/\/northtrailauto.ca\/products\/hengcool-ignition-coil-iridium-spark-plug-kit-for-ford-3-5l-v6-uf553-oem-style-direct-replacement","provider":"North Trail Auto","version":"1.0","type":"link"}