text.skipToContent text.skipToNavigation

Help & Support

Account
- Log In / Sign Up
- Register Your Product

USA English

For Homeowners

Garage Door Openers

Gate Operators

Access Control Systems

Shop Accessories

Find the best garage door opener for your home.
LAUNCH SELECTOR TOOL
For Businesses

Business Solutions

Commercial Door Operators

Gate Operators

Access Control Systems

Shop All Business Accessories
For Pros

For Architects

For Builders

For Community Managers

For LiftMaster Partners

Watch a video about important product changes.
Watch Now
myQ^® Connectivity

myQ Smart Home App

myQ Smart Access

Smart Community Access

Smart Facility Access

myQ Accessories

Find the right myQ product in a few easy steps.
myQ COMPATIBILITY TOOL
Accessories & Parts

Gear Kits

Remotes

Shop All Parts

Shop All Accessories

Looking for replacement remote control?
FIND REPLACEMENT
LiftMaster Difference

Buyer's Guide

Safety and Compliance

Media and News

Trade Shows and Events

For Homeowners

For Businesses

For Pros

MyQ Connectivity

Accessories & Parts

LiftMaster Difference

Locate a Dealer
Help & Support

Account
- Log In / Sign Up
- Register Your Product

USA English

Dealers Near Me

8550WLB

DC Battery Backup Belt Drive Wi-Fi Garage Door Opener

Home 8550WLB

Home > 8550WLB

Home >
8550WLB

8550WLB replacement parts

This model number is discontinued. Available replacement parts are listed below.

8550WLB DC Battery Backup Belt Drive Wi-Fi Garage Door Opener

Parts Diagram

Replacement Parts

Belt Cap Retainer Kit

Model: 041C0589-2

Parts Diagram Reference: 1

Learn more

End Panel

Model: 041A7618

Parts Diagram Reference: 2

Learn more

LIGHT LENS

Model: 041A7562

Parts Diagram Reference: 3

Learn more

LIGHT SOCKET KIT

Model: 041C0279

Parts Diagram Reference: 4

Learn more

Transformer, WiFi Battery Backup

Model: 041D0277-1

Parts Diagram Reference: 5

Learn more

COVER

Model: 041D8859

Parts Diagram Reference: 6

Learn more

MOTOR WITH TRAVEL MODULE, DC

Model: 041-0236-000

Parts Diagram Reference: 7

Learn more

TRAVEL MODULE KIT, UNIVERSAL DC

Model: 041D8071-4

Parts Diagram Reference: 8

Learn more

END PANEL, LOCK CAPABLE

Model: 041D0216-2

Parts Diagram Reference: 9

Learn more

LOGIC BOARD, BLUETOOTH ENABLED, LOCK

Model: 050DCTBLK

Parts Diagram Reference: 10

Learn more

LOGIC BOARD, BLUETOOTH ENABLED, LOCK

Model: 050DCTBLKMC

Parts Diagram Reference: 10

Learn more

Garage Door Opener Battery

Model: G485LM

Parts Diagram Reference: 11

Learn more

Power Cord Kit, 6'

Model: 041B4245-1

Go To Parts Diagram

Learn more

Terminal Block Kit

Model: 041A3150

Go To Parts Diagram

Learn more

Wire Harness, LED

Model: 041D9204

Go To Parts Diagram

Learn more

SAFETY SENSOR KIT, 2021 TO PRESENT

Model: 041-0136

Go To Parts Diagram

Learn more

BELT KIT, 7'

Model: 041A5434-11A

Go To Parts Diagram

Learn more

BELT KIT, 8'

Model: 041A5434-13A

Go To Parts Diagram

Learn more

BELT KIT, 10'

Model: 041A5434-14A

Go To Parts Diagram

Learn more

BELT PULLEY BRACKET KIT

Model: 041B5424

Go To Parts Diagram

Learn more

MASTER LINKS, QTY. 2, #48 CHAIN

Model: 004A1008

Go To Parts Diagram

Learn more

BELT DRIVE TROLLEY KIT

Model: 041B3869-3A

Go To Parts Diagram

Learn more

Belt Tensioner Kit

Model: 041B4103

Go To Parts Diagram

Learn more

Threaded Shaft, D Shape

Model: 041A6689

Go To Parts Diagram

Learn more

CURVED DOOR ARM

Model: 041B0035B

Go To Parts Diagram

Learn more

STRAIGHT DOOR ARM

Model: 4178B0034B

Go To Parts Diagram

Learn more

Door Bracket Kit

Model: 041A5047-1

Go To Parts Diagram

Learn more

Header Bracket

Model: 041A4353-1

Go To Parts Diagram

Learn more

Rope and Handle Kit

Model: 041A2828

Go To Parts Diagram

Learn more

Universal Hardware Kit

Model: 041A2770-17

Go To Parts Diagram

Learn more

Bell Wire Kit

Model: 041B4494-1

Go To Parts Diagram

Learn more

TRANSMITTER CLIP

Model: K029B0137

Go To Parts Diagram

Learn more

BATTERY, 3V, CR2032

Model: K010A0020

Go To Parts Diagram

Learn more

Installation & Support

architect documents

8550W 3-Part Specification (English)
8550W 3-Part Specification (French)
8550W 3-Part Specification (Spanish)
Wiring Diagram For Rail Trolley Garage Door Operators

sell sheets

8550WLB Product Guide
8550WLB Product Guide - French
8550WLB Product Guide - Spanish

general documents

8550W Autolock Brochure
Accessory Compatibility Chart
New Garage Door Opener DC Motor - English
New Garage Door Opener DC Motor- French
New Garage Door Opener DC Motor- Spanish
Replacement Parts for Automatic Garage Door Lock Capable Garage Door Openers - English
Replacement Parts for Automatic Garage Door Lock Capable Garage Door Openers - French
Replacement Parts for Automatic Garage Door Lock Capable Garage Door Openers - Spanish

How to Program LiftMaster Model 877LM Wireless Keyless Entry Using the LEARN Button

How to Test the Safety Reversal System of Your LiftMaster Garage Door Opener

California Residents: Proposition 65 WARNING

Watch how-to videos

Get help with a product

Dealers Near Me

Join

By submitting your email address, you agree to receive marketing communications, agree to our Privacy Policy, and verify that you are at least 13 years of age.

Thank you for subscribing!

Please enter valid email

Subscription process failed, please try again later.

RESOURCES

My Account
Register A Product
Dealers Near Me
Get Support
Orders and Returns
Check Rebate Status

SHOP

For Homeowners
For Businesses
For Pros
myQ Connectivity
Accessories & Parts
Promotions

ABOUT LIFTMASTER

Buyer’s Guide
Safety & Compliance
Media and News
Tradeshow and Events

CONNECT WITH US

Twitter
Facebook
YouTube
Instagram
Liftmaster Blog

The Chamberlain Group LLC, the corporate parent company to LiftMaster, Chamberlain, Merlin and Grifco, is a global leader in access solutions and products. We design and engineer residential garage door openers, commercial door operators and gate entry systems. Read our story.