Motor assembly replacement for belt drive and chain drive Genie 24V model garage door openers listed below. 

• Motor Assembly includes: Motor, Optical Encoder with wheel and cover (RPM Sensor), the wiring harness, installation screws, and instruction sheet 
• Genuine Genie replacement part 
• Compatible with models: 3020H, 3020H-B, 3020HL
• Replaces old part number 38338S.S