{"product_id":"def-ignition-coil-for-stihl-ms311-ms391-replaces-oem-1140-400-1303-1140-1305-b","title":"DEF Ignition Coil for Stihl MS311\/MS391 — Replaces OEM 1140-400-1303 \u0026 1140-1305-B","description":"\u003cdiv\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eDEF offers a direct replacement ignition coil designed for Stihl chainsaws, crafted to help your engine turn over with steady spark. This coil is intended to fit select Stihl models and substitute the original component without modification, making a routine service swap straightforward when ignition issues arise.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and OEM replacement\u003c\/h3\u003e\n\u003cp\u003eCompatibility is at the core of this coil. It is specified to fit Stihl MS311, MS391, MS311Z, and MS391Z chainsaws, providing a single part solution for multiple machines in your lineup.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eFits: Stihl MS311, MS391, MS311Z, MS391Z chainsaws\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eAs a replacement, it covers the OEM numbers 1140-400-1303 and 1140-1305-B. This makes sourcing the exact part easier and helps avoid cross-referencing multiple listings.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eReplaces OEM numbers: 1140-400-1303 and 1140-1305-B\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eWhat to expect from a direct-fit replacement\u003c\/h3\u003e\n\u003cp\u003eBecause this coil is designed as a direct replacement, installation is typically a straightforward swap for the original component. It aligns with the engine's ignition path and wiring harness, allowing your chainsaw to return to operation with minimal downtime. While results can vary, many users notice improved spark readiness after replacement.\u003c\/p\u003e\n\u003ch3\u003eKey benefits in use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatibility with four Stihl models provides flexibility for owners with multiple tools\u003c\/li\u003e\n\u003cli\u003eDirect-fit design minimizes the need for adapters or alterations\u003c\/li\u003e\n\u003cli\u003eOEM replacement compatibility removes guesswork during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePro tips for installation and care: disconnect the spark plug boot, remove the old coil, position the new coil in alignment with mounting points, and reattach the wiring harness. After installation, test the ignition by performing a spark check before field use.\u003c\/p\u003e\n\u003cp\u003eChoosing a replacement coil is a practical step toward maintaining your equipment's reliability. This DEF part is presented as a straightforward option for keeping your Stihl chainsaws ready for routine maintenance tasks, property clearing, and seasonal projects. Consider this coil if you want a no-surprise swap that aligns with the OEM references.\u003c\/p\u003e\n\u003c\/div\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: What models does this DEF Ignition Coil fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits Stihl MS311, MS391, MS311Z, and MS391Z chainsaws.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which OEM numbers does it replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replaces OEM 1140-400-1303 and 1140-1305-B.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DEF","offers":[{"title":"Default Title","offer_id":45740846776506,"sku":"B07SLY6479","price":55.1,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/def-ignition-coil-stihl-ms311-closeup.jpg?v=1774798303","url":"https:\/\/gardencanada.ca\/products\/def-ignition-coil-for-stihl-ms311-ms391-replaces-oem-1140-400-1303-1140-1305-b","provider":"Garden Canada","version":"1.0","type":"link"}