{"product_id":"def-ignition-coil-for-kohler-m-mv-series-18-20-hp-direct-fit-replacement-oem-equivalent-spark","title":"DEF Ignition Coil for Kohler M\/MV Series 18–20 HP — Direct-Fit Replacement, OEM-Equivalent Spark","description":"\u003cp\u003e\u003cstrong\u003eDEF Ignition Coil replaces Kohler part numbers 52 584 01-S and 52 584 02-S to restore spark performance for 18–20 HP Kohler MV16\/MV18\/MV20 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your small engine has weak spark, intermittent starting, or stalls under load, the ignition coil is a common wear item. This DEF replacement coil is manufactured to match the electrical output and mounting layout of the original Kohler coils specified for 18 and 20 horsepower MV and M series engines, offering a direct-fit option for routine repair and maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this coil affect starting and engine idle?\u003c\/h3\u003e\n\u003cp\u003eReplacing a degraded ignition coil often produces more consistent starts and steadier idling by restoring the coil's ability to generate a strong spark. You should notice fewer misfires and quicker ignition when cranking the engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned to deliver spark strength comparable to OEM Kohler coils\u003c\/li\u003e\n  \u003cli\u003eHelps reduce cranking time and intermittent stalling\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for coils on 18–20 HP M and MV Kohler engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this DEF coil fit my Kohler M18, M20, MV16, MV18 or MV20 engine?\u003c\/h3\u003e\n\u003cp\u003eThis coil is built to replace Kohler reference numbers 5258401, 52584 01-S, 52584 02 and 52584 02-S and fits common 18 and 20 horsepower M and MV series engines. Confirm fit by matching the part number and mounting footprint on your engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Kohler M18 and M20 engines\u003c\/li\u003e\n  \u003cli\u003eCompatible with Kohler MV16, MV18 and MV20 engines\u003c\/li\u003e\n  \u003cli\u003eMatches the original coil mounting and terminal orientation for easy swap\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check during installation to ensure proper operation?\u003c\/h3\u003e\n\u003cp\u003eInstall the coil following safety precautions and verify the air gap, ignition timing components, and wiring connections. A correct gap and secure electrical connections are critical to reliable spark delivery and long service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSet the air gap per engine specifications before tightening the coil bracket\u003c\/li\u003e\n  \u003cli\u003eInspect pickup, flywheel key, and wiring for damage or corrosion\u003c\/li\u003e\n  \u003cli\u003eReconnect high-tension lead and ground securely to avoid misfires\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the quality and sourcing details for this replacement coil?\u003c\/h3\u003e\n\u003cp\u003eThe DEF coil is a brand-new aftermarket unit manufactured to meet functional needs of Kohler-equipped small engines. International sourcing means packaging or instructions may vary, but core electrical and mechanical characteristics are intended to match the OEM part it replaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand new aftermarket ignition coil built for replacement use\u003c\/li\u003e\n  \u003cli\u003eIntended electrical output and mounting to mirror original Kohler coil\u003c\/li\u003e\n  \u003cli\u003ePackaging and documentation may differ from factory Kohler materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this part for? This DEF ignition coil is aimed at technicians, lawn-equipment owners, and small-engine repair shops who need a reliable, direct-fit replacement for Kohler 52 584 01-S \/ 52 584 02-S coils. If you operate or service 18–20 HP Kohler M or MV series engines and want a straightforward swap to restore spark performance, this replacement coil is a practical, cost-effective option. Always verify part numbers and follow the engine manufacturer’s service procedures when installing 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: Does this coil directly replace Kohler part 5258401?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This DEF coil is a direct-fit replacement for Kohler part numbers including 5258401 and 52584 02-S.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is any modification required to install this coil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No modifications are typically needed; match the mounting holes and set the proper air gap during installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DEF","offers":[{"title":"Default Title","offer_id":48086094479518,"sku":"B07SN3K171","price":45.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/def-ignition-coil-front-mounted.jpg?v=1785884375","url":"https:\/\/northtrailauto.ca\/products\/def-ignition-coil-for-kohler-m-mv-series-18-20-hp-direct-fit-replacement-oem-equivalent-spark","provider":"North Trail Auto","version":"1.0","type":"link"}