Motor assembly replacement for Genie 18V belt drive and chain drive 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: 2033, 3053, 3155, 3155L, 3155D, 3155LD, 7053L, 7135, 7155, 7155L, 7155D
• Replaces old part number 39730R.S