Genie 37955R Motor Assembly w/ Optoluctor for Genie GPower 900 Drive Operator Works on Genie Models 2562, 2564, 2564H, Screw Drive Residential Garage Door Operators. Dual encoder replacement screw drive motor assembly for the Genie model garage door openers listed below. Motor Assembly includes: Motor, Screw drive lubricant, Optical Encoder gear (RPM Sensor), the wiring harnesses for the motor and encoder, screws, and the instruction sheet Genuine Genie replacement part Compatible with models: 2564, 2568, 2562