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Part information

Drive and worm gear kit 41C4220A is an original equipment manufacturer (OEM) part that fits most Craftsman 139-series, chain-drive garage door openers manufactured after 1993. Kit also fits Chamberlain chain-drive garage door opener models 1240R, 1245R, 1246R, 1255R, 1256R, 2280, 2280-267 and 2280-976.

Drive and worm gear kit 41A2817 contains the gears and related parts that spin the sprocket to drive the chain and move the door.

This drive and worm gear kit includes the worm gear, drive gear, roll pins, grease, bushings, washers and instructions.