The Genie screw drive G- GX-GXL series garage door openers are an older model with limited parts still available. The diagram for this model is in the owners manual, and the parts below will work with these models. These are the parts available online.
This series also included models: CM7500, CM8500
For more details please contact Genie customer service for technical assistance on these models.
By Model: G- GX- GXL Series