{"product_id":"523046x-clutch-drum-for-stihl-021-023-025-ms210-ms230-ms250-gb-st305scj7n","title":"523046X Clutch Drum for Stihl 021 023 025 MS210 MS230 MS250 GB ST305SCJ7N","description":"\u003cstrong\u003eThis Clutch Drum is a replacement clutch drum assembly compatible with STIHL 021, 023, 025, MS210, MS230, MS250 chainsaws and matches OEM Part# 523046X, GB ST305SC-J7N.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis clutch drum is a direct-fit replacement part for select Stihl chainsaw models, transferring engine power to the chain via the centrifugal clutch. Designed for STIHL 021, 023, 025, MS210, MS230, and MS250 saws, it ensures reliable engagement and smooth cutting performance. The drum includes a splined hub and aligns with the starter pulley assembly for consistent operation.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined steel construction for durability under high RPM\u003c\/li\u003e\n\u003cli\u003eIncludes built-in needle bearing for reduced friction and wear\u003c\/li\u003e\n\u003cli\u003eMatches original OEM dimensions for a bolt-on installation\u003c\/li\u003e\n\u003cli\u003eBalanced design minimizes vibration during use\u003c\/li\u003e\n\u003cli\u003eHeat-treated surface resists deformation from clutch shoe contact\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStihl 021\u003c\/li\u003e\n\u003cli\u003eStihl 023\u003c\/li\u003e\n\u003cli\u003eStihl 025\u003c\/li\u003e\n\u003cli\u003eStihl MS210\u003c\/li\u003e\n\u003cli\u003eStihl MS230\u003c\/li\u003e\n\u003cli\u003eStihl MS250\u003c\/li\u003e\n\u003cli\u003eReplaces OEM Part Numbers: 523046X, GB ST305SC-J7N\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing worn or damaged clutch drums on Stihl chainsaws\u003c\/li\u003e\n\u003cli\u003eRestoring proper chain engagement during cutting operations\u003c\/li\u003e\n\u003cli\u003eMaintaining professional-grade saw performance for firewood, tree care, and construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 523046X, GB ST305SC-J7N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel with integral needle bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Stihl 021\/023\/025\/MS210\/MS230\/MS250\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e Factory-spec diameter for listed models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this clutch drum work on my Stihl MS250?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, it is designed for the Stihl MS250 as well as the 021, 023, 025, MS210, and MS230 models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to replace the clutch shoes when installing this drum?\u003cstrong\u003e A:\u003c\/strong\u003e It is recommended to inspect the clutch shoes and replace them if worn to ensure proper engagement and avoid premature drum failure.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53721906905361,"sku":"ZZ3C00308","price":25.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_b03df06d-dcb4-47da-9159-19a9de1b8a8b.jpg?v=1782823686","url":"https:\/\/www.duraforce.com\/products\/523046x-clutch-drum-for-stihl-021-023-025-ms210-ms230-ms250-gb-st305scj7n","provider":"DURAFORCE","version":"1.0","type":"link"}