39591A.S Genie Pulley For Belt and Chain Drive Openers
Replacement belt or chain drive pulley for various garage door openers. The belt or the chain run around the pulley allowing the door to open and close and the belt or chain will stay in the track. Compatible Opener Models: ChainMax 1200 (4022), IntelliG® 1200 (4024), SilentMax® 1200 (4042),  ChainMax™ 1000 (3022), IntelliG® 1000 (3024), SilentMax® 1000 (3042)