Chamberlain B500, B503 and B510 Garage Door Opener Parts Diagram and List - LiftMaster

The ChamberlainB500, B503 and B510 garage door openers use a AC motor with a full belt rail assembly. This model has two lights and wifi. Use our parts diagram for reference with all available parts listed below.

The ChamberlainB500, B503 and B510 garage door openers use a AC motor with a full belt rail assembly. This model has two lights and wifi. Use our parts diagram for reference with all available parts listed below.
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- LiftMaster 891LM Remote Security+ 2.0, MyQSKU: 891LM$38.64 As low as $34.78Single-button remote for LiftMaster Security+ 2.0…
- LiftMaster 878MAX Wireless KeypadSKU: 878MAX$73.14 As low as $67.29Compatible with LiftMaster garage door openers…
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- Chamberlain 41A7276 Wear Pads Square Rail (4)SKU: 41A7276$9.67Genuine Chamberlain 41A7276 Wear Pads Square Rail (4) —…
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- LiftMaster 877LM Security+ 2.0 Keyless EntrySKU: 877LM$68.82Security+ 2.0 encrypted keypad with tri-band radio…
- LiftMaster 4A1344 Light SocketSKU: 4A1344$21.62OEM replacement lamp holder for LiftMaster 4A1344 Light…
- LiftMaster VKP1-LM MyQ Smart Garage Video KeypadSKU: VKP1-LM$106.64Personalized Access: Create unique PIN codes and…
- LiftMaster 4A1008 Master Link KitSKU: 4A1008$11.64OEM LiftMaster 4A1008 Master Link Kit for chain‑drive…
- LiftMaster 144C54M Belt Drive Square Rail Idler PulleySKU: 144C54M$9.15Compatible with LiftMaster belt drive garage door…
- LiftMaster 041-0136 Safety Sensor KitSKU: 041-0136$40.50LiftMaster 041-0136 Safety Sensor Kit (OEM) — infrared…
- LiftMaster 041A6689 Inner Trolley Shaft, Belt DriveSKU: 041A6689$13.62Genuine LiftMaster 041A6689 Inner Trolley Shaft, Belt…
- LiftMaster 178B35 Curved Door Arm SectionSKU: 178B35$19.60Genuine LiftMaster 178B35 Curved Door Arm Section for…
- LiftMaster 178B34 Straight Door Arm SectionSKU: 178B34$23.39Genuine LiftMaster 178B34 Straight Door Arm Section OEM…
- LiftMaster 045ACT Circuit Board Garage Door Opener, AC, MyQ, Security+ 2.0SKU: 045ACT$163.55Compatible with LiftMaster garage door openers using…
- LiftMaster 41A4885-5 Belt Drive Gear and Sprocket AssemblySKU: 41A4885-5$83.84The LiftMaster gear and sprocket assembly part 41A4885-5…
- LiftMaster 041A3150 Terminal Block with ScrewsSKU: 041A3150$17.14Genuine LiftMaster 041A3150 Terminal Block with Screws;…
- LiftMaster 041B4245-1 Line CordSKU: 041B4245-1$22.06Genuine LiftMaster 041B4245-1 Line Cord — OEM replacement…
- LiftMaster 041-0155-000 Safety Sensor BracketsSKU: 041-0155-000$22.99OEM replacement LiftMaster 041-0155-000 Safety Sensor…
- LiftMaster 41A2828 Emergency Release Rope and Handle AssemblySKU: 41A2828$15.94Genuine LiftMaster 41A2828 (also 041A2828) Emergency…





















