{"product_id":"partsrun-ignition-coil-for-kawasaki-fc420v-engines-direct-fit-for-john-deere-lx172-lx176-gt242-high-voltage-reliable-spark","title":"PARTSRUN Ignition Coil for Kawasaki FC420V Engines — Direct-Fit for John Deere LX172 LX176 GT242, High-Voltage Reliable Spark","description":"\u003cp\u003e\u003cstrong\u003ePARTSRUN 21121-2070 ignition coil is a direct-replacement ignition coil and igniter module designed to restore reliable spark for Kawasaki FC420V and related small engines used on John Deere lawn tractors.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis aftermarket ignition coil (compatible with part 21119-2161 igniter module) is built to meet the ignition timing and spark energy requirements of Kawasaki FC420V series engines commonly found in John Deere models such as AM109209, LX172, LX176, GT242 and similar tractors. Manufactured using a vacuum potting process and PCB-level inspections, the unit aims to deliver consistent high-voltage output for easier starting and dependable running under mowing loads.\u003c\/p\u003e\n\n\u003ch3\u003eWhat engines and machines will this coil fit?\u003c\/h3\u003e\n\u003cp\u003eThe PARTSRUN 21121-2070 is specified for Kawasaki FC420V\/FC420V-based engines and cross-references the OEM igniter 21119-2161. It fits several John Deere lawn tractor models that originally used these Kawasaki assemblies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Kawasaki FC420V engine family (including 240, 245, GT242 series)\u003c\/li\u003e\n  \u003cli\u003eDirect fit for John Deere LX172, LX176, GT242 and machines listing AM109209\u003c\/li\u003e\n  \u003cli\u003eDesigned to match OEM mounting points and electrical connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this ignition coil improve starting and performance?\u003c\/h3\u003e\n\u003cp\u003eThis coil is engineered to provide a robust, consistent spark so the engine fires cleanly across operating conditions. A stronger, well-timed spark reduces misfires, helps cold starts, and maintains combustion stability under load during mowing or towing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-voltage output for reliable ignition under load\u003c\/li\u003e\n  \u003cli\u003eOptimized ignition angle compatibility with Kawasaki engines\u003c\/li\u003e\n  \u003cli\u003eAutomated vacuum potting improves moisture and vibration resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat quality checks and manufacturing features does it include?\u003c\/h3\u003e\n\u003cp\u003ePARTSRUN employs automated potting and digital microscope inspection of the PCB to ensure internal components are secure and solder joints meet quality tolerances. These production controls reduce early failures from vibration, heat, and ingress of contaminants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatic potting vacuum process for durable internal encapsulation\u003c\/li\u003e\n  \u003cli\u003ePCB inspection under a digital microscope to detect defects\u003c\/li\u003e\n  \u003cli\u003eDesigned to maintain consistent ignition timing and spark energy\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I replace the coil and what should I check during installation?\u003c\/h3\u003e\n\u003cp\u003eReplacement follows standard small engine coil swap procedures: disconnect the battery, remove engine shrouds, detach the old coil and isolator lead, and transfer mounting hardware if needed. Verify air gap, wiring polarity, and secure grounding for reliable operation after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways set the specified air gap between coil and flywheel per engine manual\u003c\/li\u003e\n  \u003cli\u003eInspect plug wire and boot for damage; replace if cracked or worn\u003c\/li\u003e\n  \u003cli\u003eConfirm all electrical connectors are tight and corrosion-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This PARTSRUN 21121-2070 ignition coil is intended for owners and technicians maintaining Kawasaki FC420V-equipped lawn tractors—especially John Deere LX172, LX176, GT242 and similar models—who need a cost-effective, reliable replacement component. It's suited for DIY mechanics replacing a failed coil or ignition module, service shops seeking a tested aftermarket alternative, and anyone restoring older mowers where OEM parts are aged or unavailable. Note: follow the engine manufacturer’s service guidelines for air gap, torque, and safety checks; this product restores ignition function but does not alter engine design specifications.\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 this ignition coil compatible with John Deere LX176?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It fits Kawasaki FC420V-equipped John Deere LX176 models that list OEM part 21119-2161 or AM109209 compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need any special tools to install this coil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Basic hand tools and a feeler gauge for setting the air gap are usually sufficient; follow the engine service manual for torque and gap specs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PARTSRUN","offers":[{"title":"Default Title","offer_id":48086044999838,"sku":"B07YV1DM9L","price":42.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/partsrun-ignition-coil-front-view_780254e1-ce72-4367-99ce-eabe9581754a.jpg?v=1785882800","url":"https:\/\/northtrailauto.ca\/products\/partsrun-ignition-coil-for-kawasaki-fc420v-engines-direct-fit-for-john-deere-lx172-lx176-gt242-high-voltage-reliable-spark","provider":"North Trail Auto","version":"1.0","type":"link"}