Liftmaster 1000Sd, 2000Sd
Find the parts you need for your LiftMaster 1000SD or LiftMaster 2000SD with our parts-by-picture diagrams at Garage Door Supply Company. For each LiftMaster belt drive residential garage door model, we have an illustrated guide that shows you what the replacement parts for that door opener look like and where they fit on the garage door opener. Click on the illustration to learn the part number. If you know the part number, scroll down to the list of parts to click on your part. We have 1000SD and 2000SD LiftMaster belt drive garage door operator replacement logic boards, sensor assemblies, capacitors and more.
NOTE: The LiftMaster 1000SD, 1000SDR, 2000SD and 2000SDR Models are now obsolete. As such, many parts are no longer available. We apologize for any inconvenience this may cause. If you need any help determining the best garage door opener to replace your older machine, please give us a call at: 1-888-346-3173
LiftMaster Motor Assembly Parts
| Key | Part Number / Item Name |
| 1 | 31D426 Drive Shaft Cover (Not Available) |
| 2 | 41B4245 Power Cord |
| 3 | 30B363 Capacitor |
| 4 | 12A373 Capacitor Bracket |
| 5 | 41A3150 Terminal Block w/screws |
| 6 | 41D4671 Limit Switch Assembly |
| 7 | 12D544 Limit Switch Bracket (Not Available) |
| 8 | 41D4759 Motor Drive Assembly (Not Available) |
| 8A | 144B41 22T Pulley (Not Available) |
| 8B | 144B42 28T Pulley (Not Available) |
| Key | Part Number / Item Name |
| 8C | 20C14 Drive Belt (Not Available) |
| 8D | Retainer Ring (Not Available) |
| 9 | 41A4843 Interrupter (Not Available) |
| 10 | 41A4837 Worm Gear and Retainer (Not Available) |
| 11 | 41C4669 Wire Harness (Not Available) |
| 12 | 41C4672 RPM Sensor Assembly |
| 13 | 41D4674-1C Receiver Logic Board Assembly |
| 14 | 41C4840-4 Control Center Access Door (Not Available) |
| 15 | 175C123 Light Socket |
| 16 | 108D47 Lens Cover (Not Available) |
Rail Assembly Parts
| Key | Part Number / Item Name |
| 1 | 41A4795 Hardware Bag (includes coupling) |
| 2 | 12B569-1 Left Rail Bracket (Not Available) |
| 3 | 12B569-2 Right Rail Bracket (Not Available) |
| 4 | 81C168 Screw Drive Rack |
| 5 | 41C4677 Screw Drive Trolley Assembly |
| 6 | 41A4836 Drive Sprocket Kit |
| Key | Part Number / Item Name |
| 7 | 25C20 Screw Drive Sprocket Coupling |
| 8 | NOT APPLICABLE TO THESE MODELS |
| 9 | NOT APPLICABLE TO THESE MODELS |
| 10 | NOT APPLICABLE TO THESE MODELS |
| 11 | NOT APPLICABLE TO THESE MODELS |
Installation Parts
| Key | Part Number / Item Name |
| 7 | 41A5047 Door Bracket |
| 8 | 41A4353 Header Bracket |
| 9 | 41A4373A Safety Sensor Kit |
| 10 | 178B34 Straight Door Arm |
| 11 | 178B35 Curved Door Arm |
| 12 | 41A6569 Safety Sensor Brackets |