{"product_id":"chainsaw-engine-cover-screw-set-ms311-ms391-m6x20-90223191300","title":"Chainsaw Engine Cover Screw Set – MS311 \u0026 MS391 | M6x20","description":"\u003ch2\u003eChainsaw Engine Cover Screw Set – MS311 \u0026amp; MS391 Compatible (Part #90223191300)\u003c\/h2\u003e\n\u003cp\u003eKeep your chainsaw running at its best with this precision-engineered \u003cstrong\u003eEngine Cover Screw Set\u003c\/strong\u003e, designed as a direct OEM-spec replacement for MS311 and MS391 chainsaws. Made from durable alloy steel and plastic composite, these M6×20 screws and bar nuts are built to withstand demanding outdoor conditions — delivering a secure, rattle-free fit every time.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're doing routine maintenance or replacing worn hardware after heavy use, this kit gives you the exact parts you need — no guessing, no ill-fitting generics.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Compatibility:\u003c\/strong\u003e Engineered specifically for MS311 and MS391 chainsaws — a direct drop-in replacement that ensures a perfect fit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Part Numbers:\u003c\/strong\u003e Matches part numbers \u003cstrong\u003e90223191300\u003c\/strong\u003e and \u003cstrong\u003e9022 319 1300\u003c\/strong\u003e, so you can confidently order the correct screws for your chainsaw's top engine cover.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eM6×20 Specification:\u003c\/strong\u003e Industry-standard screw size providing excellent tensile strength and longevity even in harsh, high-vibration operating environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Made from alloy steel and plastic — colour: silver and white — resisting corrosion, wear, and vibration over extended use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved Reliability:\u003c\/strong\u003e Replacing stripped or damaged cover screws restores smoother operation and keeps your chainsaw's engine cover firmly secured during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy Steel + Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e M6×20\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Silver + White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e MS311, MS391\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e 90223191300 \/ 9022 319 1300\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Chainsaw Engine Cover Screw Set (bar nuts strip + screws)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual colour may vary slightly due to monitor settings. Please allow minor measurement tolerances (±1–2 mm).\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/garden-pruner-shears-secateurs-bonsai-fruit-trees\"\u003eGarden Pruner Shears – Secateurs for Bonsai \u0026amp; Fruit Trees\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0–10\/0–12\/0–25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which chainsaw models are compatible with this engine cover screw set?\u003c\/h4\u003e\n\u003cp\u003eA: This screw set is specifically designed for the MS311 and MS391 chainsaws. The part numbers 90223191300 and 9022 319 1300 match the OEM top engine cover screws for these models, ensuring a direct, secure fit without modification.\u003c\/p\u003e\n\u003ch4\u003eQ: What size are the chainsaw engine cover screws included in this set?\u003c\/h4\u003e\n\u003cp\u003eA: The screws in this set are M6×20 in size, meeting OEM specifications for the MS311 and MS391 chainsaw top cover. This standard metric size provides the strength and thread engagement needed for reliable performance under high vibration.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I know if my chainsaw engine cover screws need replacing?\u003c\/h4\u003e\n\u003cp\u003eA: Signs that your engine cover screws need replacement include a loose or rattling cover during operation, visible stripping or corrosion on the screw heads, or difficulty tightening the cover securely. Replacing worn screws with this OEM-spec set restores a firm, safe fit.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which chainsaw models are compatible with this engine cover screw set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This screw set is specifically designed for the MS311 and MS391 chainsaws. The part numbers 90223191300 and 9022 319 1300 match the OEM top engine cover screws for these models, ensuring a direct, secure fit without modification.\"}}, {\"@type\": \"Question\", \"name\": \"What size are the chainsaw engine cover screws included in this set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The screws in this set are M6×20 in size, meeting OEM specifications for the MS311 and MS391 chainsaw top cover. This standard metric size provides the strength and thread engagement needed for reliable performance under high vibration.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know if my chainsaw engine cover screws need replacing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Signs that your engine cover screws need replacement include a loose or rattling cover during operation, visible stripping or corrosion on the screw heads, or difficulty tightening the cover securely. Replacing worn screws with this OEM-spec set restores a firm, safe fit.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Chainsaw Engine Cover Screw Set – MS311 \u0026 MS391 | M6x20\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/chainsaw-engine-cover-screw-set-ms311-ms391-m6x20-90223191300\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"China Mainland","offer_id":44135466860631,"sku":"200007763:201336100","price":40.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S0790910a91a04fa6b36c7bb1e8bfd51a0_069229d7-50f6-467c-9a55-a5463edbd180.webp?v=1786425273","url":"https:\/\/axlcustomersupport.com\/products\/chainsaw-engine-cover-screw-set-ms311-ms391-m6x20-90223191300","provider":"Axl","version":"1.0","type":"link"}