{"product_id":"drive-gear-for-sears-craftsman-garage-door-openers","title":"Drive Gear For Sears Craftsman Garage Door Openers 139.18814 139.18830 139.18850 Replacement Part Half Inch Bore Two And Three Quarters Inch Outside Diameter Thirty Two Teeth White Includes One Gear","description":"\u003cdiv\u003eReplacement Drive Gear for Garage Door Opener 139.18814\/30\u003cbr\u003e\n✔️ Bore 1\/2 in, OD 2 3\/4 in, 32 teeth, White, includes 1 gear \u003cp\u003eThe ROP Shop Drive Gear is a direct replacement for Sears Craftsman garage door openers models 139.18814, 139.18830, and 139.18850. It fits 1984-current LiftMaster, Craftsman chain drive and belt drive operators, and many Chamberlain, Sears Craftsman, and other belt-drive units. Not compatible with pre-1984 openers. If your opener runs but the door won’t lift, this gear is the likely fix. This listing is for the drive gear only; grease during installation to prevent gear stripping.\u003c\/p\u003e \u003cp\u003e✅ Bore size: 1\/2 inch\u003cbr\u003e✅ Outside diameter: 2 3\/4 inch\u003cbr\u003e✅ Teeth: 32\u003cbr\u003e✅ Color: White\u003cbr\u003e✅ Includes: 1 drive gear (as shown in image)\u003cbr\u003e✅ Compatibility: 1984-current LiftMaster and similar belt\/chain drive openers\u003c\/p\u003e \u003cp\u003e💡 What is a drive gear replacement for Sears Craftsman garage door openers and when should I replace it? This handy explainer helps you understand fitment and signs it’s time to swap. - Drive gear replacement for models 139.18814, 139.18830, 139.18850 to restore motion in LiftMaster\/Craftsman belt and chain drives\n- Signs you need a drive gear include the opener running but the door not lifting or grinding during operation\n- Installation tips: lubricate with grease during install to prevent gear stripping and ensure smooth engagement\n- Compatibility checks help you avoid mismatches with pre-1984 units and other brands\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49028979425515,"sku":"VXB0C8ZQZ4DJ","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61TswAliAqL_33358e8b-d8df-4844-8d96-8f402f068b04.jpg?v=1783515392","url":"https:\/\/vxb.com\/products\/drive-gear-for-sears-craftsman-garage-door-openers","provider":"VXB Bearings","version":"1.0","type":"link"}