Chamberlain B4643T Garage Door Opener Parts Diagram and List - Chamberlain

Chamberlain B4643T Garage Door Opener Parts Diagram and List - Chamberlain

The Chamberlain B4643T garage door openers use a DC motor with a full belt rail assembly. This model has LED lights, wifi and a camera. Use our parts diagram for reference with all available parts listed below. 

The Chamberlain B4643T garage door openers use a DC motor with a full belt rail assembly. This model has LED lights, wifi and a camera. Use our parts diagram for reference with all available parts listed below. 

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  1. LiftMaster 891LM Remote Security+ 2.0, MyQLiftMaster 891LM Remote Security+ 2.0, MyQ
    Quick Shop
    LiftMaster 891LM Remote Security+ 2.0, MyQ
    SKU: 891LM
    Rating:
    80%
    Single-button remote for LiftMaster Security+ 2.0…
  2. LiftMaster 878MAX Wireless KeypadLiftMaster 878MAX Wireless Keypad
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    LiftMaster 878MAX Wireless Keypad
    SKU: 878MAX
    Rating:
    60%
    Compatible with LiftMaster garage door openers…
  3. LiftMaster 885LM Wireless Wall Control Security+ 2.0 MyQ LiftMaster 885LM Wireless Wall Control Security+ 2.0 MyQ
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    LiftMaster 885LM Wireless Wall Control Security+ 2.0 MyQ
    SKU: 885LM
    Rating:
    100%
    $38.34
    Wireless interior wall control for LiftMaster Security+…
  4. LiftMaster 893LM Security+ 2.0 RemoteLiftMaster 893LM Security+ 2.0 Remote
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    LiftMaster 893LM Security+ 2.0 Remote
    SKU: 893LM
    Rating:
    70%
    LiftMaster 893LM Security+ 2.0 3-button remote controls up…
  5. Chamberlain 41A7276 Wear Pads Square Rail (4)Chamberlain 41A7276 Wear Pads Square Rail (4)
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    Chamberlain 41A7276 Wear Pads Square Rail (4)
    SKU: 41A7276
    Rating:
    100%
    $9.67
    Genuine Chamberlain 41A7276 Wear Pads Square Rail (4) —…
  6. LiftMaster 883LMW Push Button Security+ 2.0 MyQLiftMaster 883LMW Push Button Security+ 2.0 MyQ
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    LiftMaster 883LMW Push Button Security+ 2.0 MyQ
    SKU: 883LMW
    Rating:
    60%
    $16.55
    Compatible with LiftMaster Security+ 2.0 openers (yellow…
  7. Interstate CR2032 3V BatteryInterstate CR2032 3V Battery
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    Interstate CR2032 3V Battery
    SKU: CR2032
    Interstate CR2032 3V Battery: lithium coin cell designed…
  8. LiftMaster 877LM Security+ 2.0 Keyless EntryLiftMaster 877LM Security+ 2.0 Keyless Entry
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    LiftMaster 877LM Security+ 2.0 Keyless Entry
    SKU: 877LM
    $68.82
    Security+ 2.0 encrypted keypad with tri-band radio…
  9. LiftMaster 4A1008 Master Link KitLiftMaster 4A1008 Master Link Kit
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    LiftMaster 4A1008 Master Link Kit
    SKU: 4A1008
    Rating:
    100%
    $11.64
    OEM LiftMaster 4A1008 Master Link Kit for chain‑drive…
  10. LiftMaster 144C54M Belt Drive Square Rail Idler PulleyLiftMaster 144C54M Belt Drive Square Rail Idler Pulley
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    LiftMaster 144C54M Belt Drive Square Rail Idler Pulley
    SKU: 144C54M
    Rating:
    100%
    $9.15
    Compatible with LiftMaster belt drive garage door…
  11. LiftMaster 041D8071-4 Travel ModuleLiftMaster 041D8071-4 Travel Module
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    LiftMaster 041D8071-4 Travel Module
    SKU: 041D8071-4
    $60.56
    OEM LiftMaster 041D8071-4 Travel Module; restores accurate…
  12. LiftMaster 041-0136 Safety Sensor KitLiftMaster 041-0136 Safety Sensor Kit
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    LiftMaster 041-0136 Safety Sensor Kit
    SKU: 041-0136
    Rating:
    93%
    $40.50
    LiftMaster 041-0136 Safety Sensor Kit (OEM) — infrared…
  13. LiftMaster 041A6689 Inner Trolley Shaft, Belt DriveLiftMaster 041A6689 Inner Trolley Shaft, Belt Drive
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    LiftMaster 041A6689 Inner Trolley Shaft, Belt Drive
    SKU: 041A6689
    $13.62
    Genuine LiftMaster 041A6689 Inner Trolley Shaft, Belt…
  14. LiftMaster 050DCTBMC Logic BoardLiftMaster 050DCTBMC Logic Board
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    LiftMaster 050DCTBMC Logic Board
    SKU: 050DCTB
    Rating:
    100%
    $154.99
    Genuine LiftMaster 050DCTBMC Logic Board — OEM…
  15. Chamberlain 41A7305-1 Compatible Smart Control PanelChamberlain 41A7305-1 Compatible Smart Control Panel
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    Chamberlain 41A7305-1 Compatible Smart Control Panel
    SKU: 41A7305-1
    Rating:
    20%
    $133.48
    Menu-driven panel gives you complete control of the garage…
  16. LiftMaster 041-0155-000 Safety Sensor BracketsLiftMaster 041-0155-000 Safety Sensor Brackets
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    LiftMaster 041-0155-000 Safety Sensor Brackets
    SKU: 041-0155-000
    $22.99
    OEM replacement LiftMaster 041-0155-000 Safety Sensor…
  17. LiftMaster 178B34 Straight Door Arm SectionLiftMaster 178B34 Straight Door Arm Section
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    LiftMaster 178B34 Straight Door Arm Section
    SKU: 178B34
    $23.39
    Genuine LiftMaster 178B34 Straight Door Arm Section OEM…
  18. LiftMaster 837LMMC MyQ Remote LED LightLiftMaster 837LMMC MyQ Remote LED Light
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    LiftMaster 837LMMC MyQ Remote LED Light
    SKU: 837LMMC
    $104.73
    myQ Remote LED Light for added garage illumination;…
  19. Chamberlain 41A5250 Full Belt Assembly 7'Chamberlain 41A5250 Full Belt Assembly 7'
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    Chamberlain 41A5250 Full Belt Assembly 7'
    SKU: 41A5250
    Rating:
    100%
    $140.33
    Chamberlain 41A5250 Full Belt Assembly 7'
  20. Chamberlain 041A5047-2 Header Bracket KitChamberlain 041A5047-2 Header Bracket Kit
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    Chamberlain 041A5047-2 Header Bracket Kit
    SKU: 041A5047-2
    $17.59
    Compatible with Chamberlain garage door opener models:…
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