{"product_id":"honda-ignition-coil-assembly-30500-z8b-912-oem-replacement-factory-fit-reliable-spark","title":"Honda Ignition Coil Assembly 30500-Z8B-912 OEM replacement — factory fit, reliable spark","description":"\u003cp\u003e\u003cstrong\u003eOEM Honda 30500-Z8B-912 ignition coil assembly engineered to restore reliable spark delivery and maintain factory performance for compatible Honda engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis ignition coil assembly is a factory-style replacement for Honda applications calling for part number 30500-Z8B-912 (interchangeable with 30500-Z8B-911 in some service guides). It converts battery voltage into the high-voltage pulse required by spark plugs, helping the engine start smoothly and run efficiently. The unit is built to meet Honda specifications for fit, electrical output, and durability so it installs with minimal modification.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this ignition coil affect engine starting and performance?\u003c\/h3\u003e\n\u003cp\u003eA healthy ignition coil provides consistent high-voltage pulses so spark plugs ignite the air-fuel mixture reliably. Replacing a weakened or failing coil with this OEM-quality assembly can reduce misfires, improve throttle response, and make cold starts quicker. It supports steady combustion across engine speeds and helps maintain emissions control.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores required kilovolt output for dependable sparking.\u003c\/li\u003e\n  \u003cli\u003eReduces intermittent misfire and rough idle symptoms.\u003c\/li\u003e\n  \u003cli\u003eCompatible electrical connector and mounting for easy swap.\u003c\/li\u003e\n  \u003cli\u003eDesigned to sustain temperature and vibration loads of Honda engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part fit my Honda model and how do I confirm compatibility?\u003c\/h3\u003e\n\u003cp\u003eFitment depends on the engine and model year that reference the 30500-Z8B-912 or 30500-Z8B-911 part numbers. Verify compatibility by checking your vehicle’s parts manual, service sticker, or the existing coil’s stamped part number. If in doubt, compare connector style, mounting points, and dimensions to your current coil.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross-references include 30500-Z8B-911 in some Honda listings.\u003c\/li\u003e\n  \u003cli\u003eCheck connector pin count and orientation before ordering.\u003c\/li\u003e\n  \u003cli\u003eMatch mounting bracket positions to ensure bolt hole alignment.\u003c\/li\u003e\n  \u003cli\u003eContact parts desk or provide VIN for precise confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what tools are required?\u003c\/h3\u003e\n\u003cp\u003eInstallation is generally straightforward for anyone with basic mechanical skills. Most swaps require removing a small number of fasteners, disconnecting the battery, unplugging the electrical connector, and replacing the coil. Observe torque specs and routing to avoid stress on wiring and secure the unit against vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBasic tools: ratchet, appropriate sockets, and screwdrivers.\u003c\/li\u003e\n  \u003cli\u003eBattery disconnect is recommended for safety before unplugging coil.\u003c\/li\u003e\n  \u003cli\u003eInspect and replace related components (spark plugs, boot) if worn.\u003c\/li\u003e\n  \u003cli\u003eFollow OEM torque and reassembly order for reliable results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are signs the coil needs replacement and how long should it last?\u003c\/h3\u003e\n\u003cp\u003eSymptoms include engine misfire, loss of power, rough idling, and diagnostic trouble codes pointing to ignition misfires. Lifespan varies with use and environment; an OEM-style coil like this is designed for long service life but heat and moisture can shorten durability. Replacing at first signs of failure prevents catalytic converter damage from unburned fuel.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon symptoms: hesitation, increased fuel consumption, check engine light.\u003c\/li\u003e\n  \u003cli\u003eLife expectancy: tens of thousands of miles under normal conditions.\u003c\/li\u003e\n  \u003cli\u003eInspect seals and boots for cracking or corrosion during service.\u003c\/li\u003e\n  \u003cli\u003eReplace coil pairs if multiple units show wear to ensure balanced performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: technicians, DIY mechanics, and Honda owners seeking a direct-fit ignition coil to restore stock ignition performance. Choose this OEM Honda 30500-Z8B-912 assembly when you need the correct electrical output, factory fitment, and dependable durability for routine maintenance or repair.\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: Is 30500-Z8B-912 the same as 30500-Z8B-911?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: These part numbers are often cross-referenced; verify with your parts manual or VIN, and compare connectors and mounting to be certain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this coil myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—basic mechanical skills and common tools suffice; disconnect the battery and follow OEM torque and safety steps.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Honda","offers":[{"title":"Default Title","offer_id":48084325400734,"sku":"B00UW5USG4","price":30.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/honda-30500-z8b-912-front-assembly.jpg?v=1785849998","url":"https:\/\/northtrailauto.ca\/products\/honda-ignition-coil-assembly-30500-z8b-912-oem-replacement-factory-fit-reliable-spark","provider":"North Trail Auto","version":"1.0","type":"link"}