Check the listing for details. For Liftmaster 41c4220a Gear Sprocket Kit Chamberlain Sears Craftsman 41A2817. Condition: New. Listed at 16.45 USD. Package include: Replacement for 41C4220A Gear & Sprocket Assembly Kit Garage Door OpenerGear and sprocket, worm gear, grease, motor shaft bearings, sprocket bearingsCompatible with: Chamberlain, Craftsman, LiftMaster, Sears1/3 and 1/2 HP Chain Drive ModelsReturn Policy 30 Day Money Back Features: Works exactly the same as the original gear kitThird party product, not made by Liftmaster Condition: Brand New.Disclaimer: Any product names, logos, brands, or other trademarks or images featured or referred to within the NAR listings are the property of their respective trademark holders. These trademarks are not affiliated with NAR, or our products. The respective trademark holders do not sponsor or endorse NAR or any of our online products.