{"product_id":"def-ignition-coil-set-for-kawasaki-john-deere-engines-2-pack-direct-fit-replacement-high-voltage-spark","title":"DEF Ignition Coil Set for Kawasaki \u0026 John Deere Engines, 2-Pack — Direct-Fit Replacement, High-Voltage Spark","description":"\u003cp\u003e\u003cstrong\u003eDEF ignition coil set (2-pack) replaces Kawasaki and John Deere part numbers to restore spark intensity and reliable starting on compatible small engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen an engine misfires, runs rough, or won't start, a worn or failed ignition coil is often the cause. This DEF replacement ignition coil set fits a wide range of Kawasaki overhead-valve engines and John Deere models, offering a direct-fit swap for many OEM numbers (including 21171-7001, 21171-7007, 21171-7006, 21171-7013, 21171-7034 and John Deere AM133525). Designed as a like-for-like replacement, these coils deliver a stronger high-voltage spark to help the engine start more easily and run more smoothly without complicated modifications.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and part numbers does this coil set fit?\u003c\/h3\u003e\n\u003cp\u003eThe DEF coils are compatible with numerous Kawasaki engine series and select John Deere models that use the same ignition coil design. They directly replace multiple OEM reference numbers, making it simple to find a match for older equipment or mixed inventories.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces Kawasaki part numbers: 21171-7034, 21171-7026, 21171-7007, 21171-7037, 21171-7024, 21171-7022, 21171-7013, 21171-7006, 21171-7018, 21171-7003, 21171-7013, 21171-7001.\u003c\/li\u003e\n  \u003cli\u003eAlso replaces John Deere references: AM133525 and MIA11064.\u003c\/li\u003e\n  \u003cli\u003eFits Kawasaki engine models: FH381V, FH430V, FH480V, FH500V, FH531, FH541V, FH580V, FH601V, FH641V, FH680V, FH721V and corresponding D-series variants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does replacing the ignition coil improve engine performance?\u003c\/h3\u003e\n\u003cp\u003eA fresh ignition coil boosts the intensity and reliability of the spark delivered to the combustion chamber, which can reduce misfires and improve throttle response. While it won't change mechanical timing or fuel delivery, a properly working coil helps the ignition system achieve consistent combustion cycles for smoother operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProduces higher-voltage spark for more complete combustion.\u003c\/li\u003e\n  \u003cli\u003eFaster recovery and response between spark events under load.\u003c\/li\u003e\n  \u003cli\u003eMay restore quick starting on cold or high-hour engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult and what should I expect during replacement?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically straightforward for anyone comfortable removing the engine cover and disconnecting a single electrical connector and mounting screws. This is designed as a direct replacement so no special tools or coil modifications are normally required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove engine shroud, unplug old coil wiring, and unbolt the coil.\u003c\/li\u003e\n  \u003cli\u003eFit DEF coil in the same orientation, secure mounting, and reconnect wires.\u003c\/li\u003e\n  \u003cli\u003eQuick bench test: turn engine over to confirm spark before full reassembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability and performance features should I expect?\u003c\/h3\u003e\n\u003cp\u003eThese coils are engineered to withstand typical lawn and garden engine environments—heat, vibration, and intermittent duty cycles. They focus on electrical performance: delivering a strong spark and reliable switching characteristics rather than cosmetic upgrades.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRobust winding and insulation to tolerate engine heat and vibration.\u003c\/li\u003e\n  \u003cli\u003eConstructed for consistent high-voltage output and response.\u003c\/li\u003e\n  \u003cli\u003ePackaged as a set of two to service multiple cylinders or keep a spare on hand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Owners, maintenance techs, and small-engine service shops that maintain Kawasaki and compatible John Deere engines will find this DEF ignition coil set useful. It's aimed at anyone needing an affordable, direct-fit replacement to restore starting reliability and smoother running on commercial or residential mowers, utility engines, and other OHV Kawasaki-powered equipment. Note: match your OEM part number first and follow manufacturer service procedures when replacing ignition components.\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: Will these coils fit my Kawasaki FH430V?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — DEF coils list FH430V among compatible Kawasaki engines, but confirm your OEM part number before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I replace just one coil or should I replace both?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can replace a single failed coil, but buying the 2-pack gives a spare and ensures matched performance if both are aged.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DEF","offers":[{"title":"Default Title","offer_id":67590735167673,"sku":"B07YD9FDGW","price":73.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/def-ignition-coil-front-view_d3010719-a73f-49ee-8016-e2bf01c9d182.jpg?v=1790537038","url":"https:\/\/redleafauto.ca\/products\/def-ignition-coil-set-for-kawasaki-john-deere-engines-2-pack-direct-fit-replacement-high-voltage-spark","provider":"Redleaf Auto","version":"1.0","type":"link"}