The Genie 37561S Belt and Bullet Assembly 8' is a genuine OEM replacement for select Genie belt‑drive garage door opener systems configured for 8‑foot door applications. This factory belt assembly restores smooth, quiet travel and reliable door movement, and arrives with the “bullet” connector pre‑attached to interface with the opener’s carriage/trolley. It is intended for residential Genie belt‑drive models that specify part 37561S in their parts list or rail label, and is not interchangeable with chain‑drive, screw‑drive, or 7‑foot rail configurations.
Use this replacement when the original belt shows wear, fraying, or slippage, or when converting/maintaining an opener set up for an 8‑foot door height. Installation typically involves unplugging power, securing the door, releasing the emergency disconnect, removing belt tension, routing the new belt around the idler pulley and motor sprocket, attaching the bullet to the carriage, and then setting proper belt tension according to the opener’s manual. After installation, verify safety reversal and travel limits, and reprogram limits/force if required by your opener model. For compatibility, match your opener’s model and rail assembly to 37561S in the owner’s manual or parts diagram; this assembly supports Genie belt‑drive units that use the designated 8' rail/belt system and is not a universal fit.