{"product_id":"enginerun-chainsaw-chain-tensioner-screw-stihl-ms271-ms291-ms311-ms391-replacement-part","title":"ENGINERUN Chainsaw Chain Tensioner Screw – Stihl MS271\/MS291\/MS311\/MS391 Replacement Part","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe ENGINERUN Chainsaw Chain Tensioner Adjuster Screw Assembly is designed to slot into a range of Stihl chainsaws, serving as a dependable replacement part when wear or routine maintenance calls for a fresh tensioning component. It supports consistent chain tension, contributing to safer handling and steadier cutting progress across job sites and backyard projects.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility at a glance\u003c\/h3\u003e\n\u003cp\u003eThis tensioner assembly is engineered to fit Stihl models including MS271, MS291, MS311, MS390, MS391, as well as older units 029 and 039. It directly replaces OEM numbers 1127-007-1003, 1127-640-1900, 1123-664-1400, and 1127-664-2200, helping you keep your saw aligned with the original design intent.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStihl MS271, MS291, MS311, MS390, MS391 models\u003c\/li\u003e\n  \u003cli\u003eOlder 029 and 039 chainsaws\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReplaces OEM parts\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1127-007-1003\u003c\/li\u003e\n  \u003cli\u003e1127-640-1900\u003c\/li\u003e\n  \u003cli\u003e1123-664-1400\u003c\/li\u003e\n  \u003cli\u003e1127-664-2200\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDurability and fit\u003c\/h3\u003e\n\u003cp\u003eCrafted as a robust replacement, this screw assembly aims to restore a precise seating and tension range, supporting reliable performance under regular use. It is built to hold up to typical job-site conditions and to pair with the corresponding saw architecture without modification.\u003c\/p\u003e\n\n\u003ch3\u003eReal-world use scenarios\u003c\/h3\u003e\n\u003cp\u003eOn a busy workday or a home-utility project, a quick tension check and screw adjustment can keep the chain tracking true. This replacement part suits shop repairs, field maintenance, and routine service where staying productive matters. Its compact form makes swapping straightforward, helping you finish tasks with minimal interruption.\u003c\/p\u003e\n\n\u003ch3\u003eWhat you gain\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect OEM-replacement compatibility to preserve original feel and alignment\u003c\/li\u003e\n  \u003cli\u003eEasy installation with standard threading and seating\u003c\/li\u003e\n  \u003cli\u003eDurable construction designed for regular use on Stihl saws\u003c\/li\u003e\n  \u003cli\u003eReduced downtime by having a ready-to-fit replacement on hand\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Stihl models is the ENGINERUN tensioner screw compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits Stihl MS271, MS291, MS311, MS390, MS391, plus older 029 and 039 models; replaces several OEM part numbers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the main benefits of choosing the ENGINERUN tensioner assembly?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Direct OEM-replacement compatibility, straightforward installation, durable construction, and potential downtime reduction during maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ENGINERUN","offers":[{"title":"Default Title","offer_id":45740284018874,"sku":"B0923RQ43Q","price":46.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/enginerun-stihl-ms271-ms291-tensioner-screw-assembly.jpg?v=1774773882","url":"https:\/\/gardencanada.ca\/products\/enginerun-chainsaw-chain-tensioner-screw-stihl-ms271-ms291-ms311-ms391-replacement-part","provider":"Garden Canada","version":"1.0","type":"link"}