{"product_id":"chain-sprocket-cover-ms150-150t","title":"Chain Sprocket Cover MS150 \u0026 150T","description":"\u003ch1\u003eSTIHL Chain Sprocket Cover for MS 150 \u0026amp; MS 151 Chainsaws - 1146 640 1704\u003c\/h1\u003e\n\n\u003cp\u003eThe STIHL Chain Sprocket Cover for MS 150 and MS 151 chainsaws is a replacement side cover designed to shield the drive sprocket and clutch area while helping secure the guide bar in place. Moulded from durable, impact-resistant polymer with a light grey finish, this cover helps protect key drive components from chips, dirt, sap and everyday site debris.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for compact STIHL pruning and arborist chainsaws, this chain sprocket cover supports smooth chain operation, consistent guide bar clamping and reliable chain tracking during light cutting, pruning and limbing work. It is suitable for arborists, grounds maintenance teams, landscapers and domestic users replacing a worn, cracked or damaged side cover on compatible STIHL MS 150 and MS 151 models.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement chain sprocket cover for compatible STIHL compact chainsaws\u003c\/li\u003e\n  \u003cli\u003eSTIHL Part Number: 1146 640 1704\u003c\/li\u003e\n  \u003cli\u003eDesigned for STIHL MS 150, MS 150 T, MS 151 C and MS 151 TC models\u003c\/li\u003e\n  \u003cli\u003eDurable impact-resistant polymer construction for long service life\u003c\/li\u003e\n  \u003cli\u003eLight grey finish to match the original saw appearance\u003c\/li\u003e\n  \u003cli\u003eProtects the sprocket and clutch area from chips, dirt, sap and debris\u003c\/li\u003e\n  \u003cli\u003eHelps maintain secure guide bar clamping and consistent chain alignment\u003c\/li\u003e\n  \u003cli\u003eResists chain oil, fuel splash and everyday knocks during regular use\u003c\/li\u003e\n  \u003cli\u003eSmooth inner surfaces help make debris removal easier during servicing\u003c\/li\u003e\n  \u003cli\u003eUses the saw’s existing bar studs and nuts for straightforward fitting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cp\u003eThis STIHL chain sprocket cover is used on compatible compact chainsaws during pruning, limbing, arborist work, estate maintenance, landscaping and domestic garden cutting. It helps keep the drive end protected in resinous, dusty or debris-heavy conditions while supporting reliable chain tracking between routine cleaning and servicing.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specification\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; text-align:left; border:1px solid #ddd;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eBrand\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eSTIHL\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eProduct Type\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eChain Sprocket Cover \/ Clutch Cover\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003ePart Number\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003e1146 640 1704\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eMaterial\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eImpact-resistant polymer\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eFinish \/ Colour\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eLight grey\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eFunction\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eProtects the drive sprocket and clutch area while helping secure the guide bar\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eSuitable For\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eSelected STIHL compact pruning and arborist chainsaws\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003ePart Type\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eReplacement Chainsaw Side Cover\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFits Models\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSTIHL MS 150\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS 150 C\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS 150 T\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS 150 T C\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS 151 C\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS 151 TC\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS150\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS150C\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS150T\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS150T C\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS150TC\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS151C\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS151TC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlso Known As\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSTIHL sprocket guard\u003c\/li\u003e\n  \u003cli\u003eSTIHL clutch cover\u003c\/li\u003e\n  \u003cli\u003eSTIHL chainsaw side cover\u003c\/li\u003e\n  \u003cli\u003eSTIHL chaincase cover\u003c\/li\u003e\n  \u003cli\u003eSTIHL sprocket protector\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS 150 side cover\u003c\/li\u003e\n  \u003cli\u003eSTIHL MS 151 clutch cover\u003c\/li\u003e\n  \u003cli\u003eSTIHL pruning chainsaw sprocket cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the Correct STIHL Replacement Cover?\u003c\/h2\u003e\n\u003cp\u003eUsing the correct replacement sprocket cover helps maintain proper guide bar support, chain alignment and drive component protection. A well-fitting cover reduces the risk of debris entering the sprocket and clutch area, helping support smoother chain operation, easier servicing and more reliable performance during pruning and light cutting work.\u003c\/p\u003e\n\n\u003ch2\u003eExplore More\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/collections\/stihl-spare-parts\"\u003eSTIHL Spare Parts\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/pages\/stihl-parts\"\u003eSTIHL Parts Finder\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/collections\/chainsaw-parts\"\u003eChainsaw Parts\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/collections\/stihl-chainsaw-guide-bar-and-chain-selector\"\u003eSTIHL Chainsaw Chain Selector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/collections\/sharpening-maintenance-tools\"\u003eChain Sharpening Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is the part number for this STIHL chain sprocket cover?\u003c\/h3\u003e\n\u003cp\u003eThe STIHL part number is 1146 640 1704.\u003c\/p\u003e\n\n\u003ch3\u003eWhich STIHL chainsaws does this sprocket cover fit?\u003c\/h3\u003e\n\u003cp\u003eThis sprocket cover fits selected STIHL MS 150 and MS 151 series chainsaws, including MS 150 T and MS 151 TC models.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does a chain sprocket cover do?\u003c\/h3\u003e\n\u003cp\u003eThe chain sprocket cover protects the drive sprocket and clutch area while helping secure the guide bar and maintain correct chain alignment.\u003c\/p\u003e\n\n\u003ch3\u003eWhen should this sprocket cover be replaced?\u003c\/h3\u003e\n\u003cp\u003eReplace the sprocket cover if it is cracked, heavily worn, damaged, missing or no longer secures the guide bar correctly.\u003c\/p\u003e\n\n\u003ch3\u003eIs this suitable for arborist pruning saws?\u003c\/h3\u003e\n\u003cp\u003eYes, this cover is suitable for compatible compact STIHL pruning and top-handle chainsaw models used by arborists, grounds teams and domestic users.\u003c\/p\u003e","brand":"Stihl","offers":[{"title":"Default Title","offer_id":57956661625206,"sku":"ST-1146 640 1704","price":16.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/6603\/1348\/files\/STIHL_genuine_spares_from_authorised_dealer.png?v=1775040092","url":"https:\/\/www.gustharts.com\/ja\/products\/chain-sprocket-cover-ms150-150t","provider":"Gustharts","version":"1.0","type":"link"}