Genie 39354R.S 7ft Door Belt Assembly Garage Opener SilentMax QuietLift Stealth
Assembly has a 1-piece belt  
Compatible with the following Genie garage door openers that have a belt rail: SilentMax Connect, StealthDrive 750, SilentMax 750, SilentMax 550, QuietLift 550, StealthLift 500
Also compatible with any Genie garage door opener with belt rail that model number begins with 1055, 1155, 2055, 3053, 3055, 3155, 7055, 7155, 7155L