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Compare retrofit locks, replacement deadbolts, and handle-style options before changing hardware, keyways, or keypad access on an existing door.
LiftMaster 841LM Automatic Garage Door Lock: Wi-Fi connectivity for smart home integration
For homeowners who have already upgraded to a smart garage door opener, the LiftMaster 841LM Automatic Garage Door Lock adds the missing piece: true deadbolt security. You can now lock your garage door from your smartphone and set it to engage automatically every time the door closes.
The heavy-duty steel lock creates a strong barrier against forced entry. Installation is straightforward with the included hardware, template, and 33' wire. Once connected, you can check lock status and control it remotely via your myQ app, knowing your door is secure even when you're away.
Compatibility: Works with LiftMaster models 8550WL, 8587WL, 8360WL, and 8500W. Check your owner's manual to confirm compatibility before purchase.
Features
- Robust steel construction for durability
- Easy installation with included hardware
- Compatible with select LiftMaster models
- Wi-Fi connectivity for smart home integration
General specs
- Brand: LiftMaster
- Model: 841LM
- Seller: Amazon
- ID: B0C7LZS97K
- Oem: Yes
- Type: Automatic Garage Door Lock
- Brand: GARAGEDOORPROJECT
- Wire length: 33 ft
- Connectivity: Wi-Fi
- Model Number: 841LM
- Lock Mechanism: Deadbolt lock
- New Production: Yes
- Packaging Contents: Lock, Screws, 33' wire, Template
- Construction Material: High-quality steel
- Smart Home Integration: Yes
- Hardware Included Installation: Yes
- Compatible Door Garage Models Opener: 8550WL, 8587WL, 8360WL, 8500W
- First listed by seller: 5/20/26
If you are interested in more details, you can find full information on the seller's page.
Amazon live offers
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Top live offer is the offer currently shown first for this Amazon listing. It may differ from the lowest available price.
FBA means the order is fulfilled by Amazon, even when the seller is a third-party merchant.
Shippable means the offer is listed as available for delivery on Amazon.
New, Used and Refurbished describe the item condition shown for that Amazon offer.
Top live offer
$199.99
Free shipping
New
Third-party seller
Shippable
Offers updated: 6/1/26
Shipping options
Delivery to 
Russia
Russia
Available
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LiftMaster 841LM Wi-Fi connectivity for smart home integration
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| Brand | GARAGEDOORPROJECT | DREAME | Philips | |||
| Model | 841LM | M6-BWFHS-HE | A10 | T85D0 | LS-SDL | |
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| Rating |
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| Price | $199.99 | $169.99 | $179.99 | $106.99 | $79.99 | $149.00 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | May 27, 2026 | May 29, 2026 | May 29, 2026 | May 27, 2026 | May 29, 2026 | May 29, 2026 |
| Connectivity | Wi-Fi | Wi‑Fi | Wi-Fi Built-in, Mobile App, Alexa, Google Assistant | |||
| Material | Zinc Alloy | Metal | Zinc | |||
| Lock Type | Deadbolt, Electronic, Smart Lock | Front door deadbolt lock set | Deadbolt | Deadbolt, Keypad | Keypad | |
| Waterproof Rating | IP65 | IP54 | IPX3 | |||
LiftMaster 841LM Wi-Fi connectivity for smart home integration
$199.99
When this device makes sense
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