Chamberlain B730, B730C and B740 Garage Door Opener Parts Diagram and List - Chamberlain

The Chamberlain B730, B730C and B740 garage door openers use a DC 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 Chamberlain B730, B730C and B740 garage door openers use a DC 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$57.92 As low as $52.13Compatible with LiftMaster garage door openers…
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- Chamberlain 41A7276 Wear Pads Square Rail (4)SKU: 41A7276$8.22 As low as $7.40Genuine Chamberlain 41A7276 Wear Pads Square Rail (4) —…
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- Interstate CR2032 3V BatterySKU: CR2032$5.61 As low as $2.81Interstate CR2032 3V Battery: lithium coin cell designed…
- LiftMaster 4A1008 Master Link KitSKU: 4A1008$9.86 As low as $8.87OEM LiftMaster 4A1008 Master Link Kit for chain‑drive…
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- LiftMaster 178B34 Straight Door Arm SectionSKU: 178B34$16.91 As low as $15.22Genuine LiftMaster 178B34 Straight Door Arm Section OEM…
- Chamberlain 041A5047-2 Header Bracket KitSKU: 041A5047-2$18.23 As low as $16.41Compatible with Chamberlain garage door opener models:…
- Chamberlain 41A7327-1 Motion Detecting Compatible Control Panel TTCSKU: 41A7327-1$76.12 As low as $68.51Push button for garage door operation Motion-detector…
- LiftMaster 041B4245-1 Line CordSKU: 041B4245-1$18.23 As low as $16.41Genuine LiftMaster 041B4245-1 Line Cord — OEM replacement…
- LiftMaster 041-0155-000 Safety Sensor BracketsSKU: 041-0155-000$18.37 As low as $16.53OEM replacement LiftMaster 041-0155-000 Safety Sensor…
- LiftMaster 41A2828 Emergency Release Rope and Handle AssemblySKU: 41A2828$12.62 As low as $11.36Genuine LiftMaster 41A2828 (also 041A2828) Emergency…
- LiftMaster 41A5281-1 Extension Brackets for Snappy SensorsSKU: 41A5281-1$18.23 As low as $16.41OEM LiftMaster 41A5281-1 Extension Brackets for Snappy…
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- LiftMaster 837LMMC MyQ Remote LED LightSKU: 837LMMC$105.93 As low as $95.34myQ Remote LED Light for added garage illumination;…





















