{"product_id":"11227909920-annular-buffer-for-stihl-064-066-ms640-ms650-ms660","title":"11227909920 Annular Buffer for Stihl 064 066 MS640 MS650 MS660","description":"\u003cstrong\u003eThis Annular Buffer is a replacement annular buffer compatible with Stihl 064, 066, MS640, MS650, MS660 and matches OEM Part# 1122 790 9920.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis annular buffer is a critical component for Stihl chainsaws, providing cushioning and reducing vibration in the clutch assembly. It is compatible with models 064, 066, MS640, MS650, and MS660, replacing OEM part 1122 790 9920. This buffer helps maintain smooth operation and extends the life of the clutch system.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision-molded rubber compound for consistent damping.\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM part 1122 790 9920.\u003c\/li\u003e\n\u003cli\u003eReduces vibration transfer from the clutch to the crankshaft.\u003c\/li\u003e\n\u003cli\u003eResists oil and heat degradation.\u003c\/li\u003e\n\u003cli\u003eEnsures proper clutch engagement and disengagement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStihl 064\u003c\/li\u003e\n\u003cli\u003eStihl 066\u003c\/li\u003e\n\u003cli\u003eStihl MS640\u003c\/li\u003e\n\u003cli\u003eStihl MS650\u003c\/li\u003e\n\u003cli\u003eStihl MS660\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing worn annular buffers during clutch service.\u003c\/li\u003e\n\u003cli\u003eReducing operator fatigue from excessive vibration.\u003c\/li\u003e\n\u003cli\u003eMaintaining chainsaw performance in professional logging or tree care.\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 1122 790 9920\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Annular Buffer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Rubber\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the function of the annular buffer in a chainsaw?\u003cstrong\u003e A:\u003c\/strong\u003e The annular buffer absorbs vibration between the clutch and crankshaft, reducing wear and improving operator comfort.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know if my annular buffer needs replacement?\u003cstrong\u003e A:\u003c\/strong\u003e Check for cracks, hardening, or excessive play in the clutch assembly; replace if damaged or worn.\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":53721865912593,"sku":"ZZ3C00212","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_b8108fd5-0e0e-44b8-a6cd-d983b63ac9aa.jpg?v=1782823521","url":"https:\/\/www.duraforce.com\/products\/11227909920-annular-buffer-for-stihl-064-066-ms640-ms650-ms660","provider":"DURAFORCE","version":"1.0","type":"link"}