{"product_id":"autokay-ignition-coil-for-mtd-cub-cadet-troy-bilt-craftsman-994-00128-547cc-engines-direct-replacement","title":"AUTOKAY Ignition Coil for MTD\/Cub Cadet\/Troy-Bilt\/Craftsman 994-00128 – 547cc Engines, Direct Replacement","description":"\u003cp\u003e\u003cstrong\u003eAUTOKAY 994-00128 is a direct-replacement ignition coil designed to restore spark performance on select MTD-family 547cc engines and compatible lawn tractors.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your lawn tractor or mower won’t start or runs rough, a worn or faulty ignition coil is often the cause. The AUTOKAY 994-00128 ignition coil replaces prior part number 794-00128 and is engineered to suit a wide range of outdoor-power equipment brands including MTD, Cub Cadet, Troy-Bilt, Craftsman and others. It’s supplied as a single unit and intended for easy swap-in replacement on engines that match the listed engine codes.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and models will this ignition coil work with?\u003c\/h3\u003e\n\u003cp\u003eThis coil fits multiple 547cc engine codes and several tractor models that use those engines. Check your engine model plate or parts diagram to confirm the engine code before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 4X90HU, 4X90HUA, 4X90HW (547cc) engine families\u003c\/li\u003e\n  \u003cli\u003eCompatible with 8X90KU, 8X90KUB, 8X90ZU, 8X90ZUA series (547cc)\u003c\/li\u003e\n  \u003cli\u003eWorks with AX90HU, AX90HUA, AX90HUB, AX90HUC 547cc engines\u003c\/li\u003e\n  \u003cli\u003eCommon equipment: XT1-LT42 and XT1-LT42 C lawn tractors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know this is the correct replacement part?\u003c\/h3\u003e\n\u003cp\u003eConfirm compatibility by matching the part number on your old coil or verifying the engine code on the engine label. The AUTOKAY unit is sold as part number 994-00128 and supersedes the earlier MPN 794-00128.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare part numbers: 994-00128 replaces 794-00128\u003c\/li\u003e\n  \u003cli\u003eMatch your engine code to the included fitment list\u003c\/li\u003e\n  \u003cli\u003eInspect mounting points and connector style for physical fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the practical benefits of replacing a faulty ignition coil?\u003c\/h3\u003e\n\u003cp\u003eSwapping in a new coil can restore reliable spark delivery, improving starting, idling and throttle response. It’s a targeted repair that often fixes common ignition issues without replacing larger engine components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproves ignition consistency for faster starts\u003c\/li\u003e\n  \u003cli\u003eReduces misfires and uneven idling under load\u003c\/li\u003e\n  \u003cli\u003eCost-effective alternative to more extensive engine repairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and what’s included?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically straightforward for anyone comfortable with small-engine maintenance: disconnect the spark plug wire, remove the mounting screws, swap the coil, and reconnect. The part ships as a single ignition coil ready for installation; any gaskets, mounting hardware or additional connectors should be inspected from the original unit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage contains 1 x ignition coil (994-00128)\u003c\/li\u003e\n  \u003cli\u003eStandard bolt-on fit for listed engine types—verify hardware on your machine\u003c\/li\u003e\n  \u003cli\u003eFollow manufacturer torque and gap specs when fitting the new coil\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The AUTOKAY 994-00128 ignition coil is aimed at homeowners, landscapers and small-engine technicians who own or service lawn tractors and mowers powered by MTD-family 547cc engines. If your equipment is showing starting trouble, stalling, or erratic engine behavior and the engine code matches the fit list, this part is a practical, direct-replacement option to restore ignition function without full engine overhaul.\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 the AUTOKAY 994-00128 replace part 794-00128?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, 994-00128 is the replacement for prior MPN 794-00128 and fits the same engine families.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this coil fit my Cub Cadet with a 547cc engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your Cub Cadet lists a matching engine code (e.g., AX90HUA, 4X90HUA), this coil is compatible.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AUTOKAY","offers":[{"title":"Default Title","offer_id":67591478673593,"sku":"B0CG641DZ4","price":62.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/autokay-994-00128-front-angle.jpg?v=1790552622","url":"https:\/\/redleafauto.ca\/products\/autokay-ignition-coil-for-mtd-cub-cadet-troy-bilt-craftsman-994-00128-547cc-engines-direct-replacement","provider":"Redleaf Auto","version":"1.0","type":"link"}