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Category

  • Garage Replacement Parts
    • CHAMBERLAIN After 2014
    • LIFTMASTER Prior to 2014
    • LIFTMASTER 2014 - 2021
    • LIFTMASTER 2022 - 2025
    • CHAMBERLAIN Prior to 2014
    • GENIE
    • MARANTEC
    • LINEAR / NICE
  • Gate Opener Replacement Parts
    • HySecurity Gate Openers
    • Liftmaster Gate Openers
    • Linear - OSCO Gate Openers
    • Mighty Mule Gate Openers
    • GTO PRO - LINEAR PRO Openers
    • US Automatic
    • NICE / APOLLO
  • Swing Gate Openers
    • US Automatic
    • Linear Pro Access
    • GTO PRO
    • Mighty Mule
    • Sentry
    • Liftmaster
    • APOLLO / NICE
  • Slide Gate Openers
    • US Automatic
    • Liftmaster
    • APOLLO / NICE
    • Linear Pro Access
    • GTO PRO
    • Mighty Mule
  • Barrier Gate Openers
    • Linear Pro Access
  • Gate Opener Circuit Boards
    • GTO PRO
    • Mighty Mule
    • Linear
    • Sentry
    • US Automatic
    • Apollo / NICE
    • Liftmaster
    • HySecurity
  • Garage Door Openers
    • Liftmaster
    • Genie
  • Garage Opener Circuit Boards
    • Genie
    • Linear
    • Chamberlain
    • LIftmaster
    • Sears Craftsman
    • Wayne Dalton
    • Marantec
  • Replacement Parts
    • Liftmaster Replacement Parts
    • Linear / Nortek Security
    • HySecurity
  • Genie Commercial Operator Parts and Accessories
    • GCL-GH
    • GCL-GT
    • GCL-H
    • GCL-J
    • GCL-LJ
    • GCL-LT
    • GCL-MH
    • GCL-MJ
    • GCL-MT
    • Door Interlock Switches
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    • Mechanical Accessories
    • Photoeye
    • Pull Switches
    • Push Buttons Exteriors
    • Push Interiors
    • Radio Controls
    • Sensing Edges
    • Signals: Visual & Audio
    • Vehicle Motion Sensor
    • Visual Signal Devices
  • Liftmaster Commercial Door Openers
  • Liftmaster Overhead Replacement Parts
    • Liftmaster Logic 4.0 Operators
    • APT Operator Logic 5.0
    • H Operator Logic 5.0
    • DHJ Operator Logic 5.0
    • J Operator Logic 5.0
    • DJ Operator Logic 5.0
    • T Operator Logic 5.0
    • GH Operator Logic 5.0
    • GSD Operator Logic 5.0
    • GT Operator Logic 5.0
    • HJ Operator Logic 5.0
    • MGJ Operator Logic 5.0
    • MH Operator Logic 5.0
    • MHS Operator Logic 5.0
    • MJ Operator Logic 5.0
    • MT Operator Logic 5.0
    • SD Operator Logic 5.0
  • Replacement Arms
    • Liftmaster
    • US Automatic
    • Linear Pro Access
    • APOLLO
    • Sentry 300
    • GTO PRO
    • Mighty Mule
  • Remote Controls
    • GTO PRO
    • Mighty Mule
    • Liftmaster
    • Linear Pro Access
    • Genie / OverHead Door
    • Sentry
    • US Automatic
    • Albano
    • Came
    • Keystone Remotes
    • Digi-Code
    • Pulsar
    • Seco-Larm
    • Wayne Dalton
    • Marantec
    • Sear Craftsman
    • AAS / Security Brands
    • Apollo / NICE
  • GoControl Smart Home
  • Receivers
    • GTO PRO
    • Mighty Mule
    • Linear Pro Access
    • Liftmaster
    • Sentry
    • Genie
    • Albano
    • AAS / Security Brands
    • APOLLO / NICE
    • Keystone Heddolf
    • Transmitter Solutions
    • Digi-Code
    • Pulsar
    • US Automatic
    • Seco-Larm
    • Marantec
  • Keypads
    • GTO PRO
    • Mighty Mule
    • Linear Pro Access
    • Sentry
    • Linear IEI
    • Seco-larm
    • Genie
    • Liftmaster
    • Keystone Keypad
    • EMX Industries
    • Digi-Code
    • US Automatic
    • CareFree
    • Wayne Dalton
    • Marantec
    • AAS / Security Brands
    • APOLLO / NICE
  • Keypad Pedestals
  • Intercoms
    • GTO PRO
    • Linear Pro Access
    • Aiphone
    • AAS / Security Brands
  • Telephone Entry Systems
    • Linear Pro Access
    • Select Engineered Systems
    • Liftmaster
    • AAS / Security Brands
  • Gate Locks
    • GTO PRO
    • Sentry
    • Liftmaster
  • Vehicle Detectors
    • Hysecurity
    • Exit Wands - Vehicle Sensor
    • Base Loop Detectors
    • Diablo Controls Loop Detectors
    • EDI Loop Detectors
    • GTO Loop Detectors
    • NorthStar Vehicle Detectors
    • RENO Loop Detectors
    • Loop Sealant
    • EMX Industries
    • CARTELL
    • US Automatic
    • BEA Sensors
    • Linear / Nortek
    • Liftmaster
    • Optex Virtual Detectors
    • AAS / Security Brands
  • Loop Wire
    • GTO Loop Wire
    • BD Loops
    • Low Voltage Wire
  • BEA DOOR SENSORS
  • BIRCHER DOOR SENSORS
  • Safety Sensors
    • GTO PRO
    • SECO-LARM
    • Liftmaster
    • Omron
    • Allen Bradley
    • BFT
    • Sentry
    • Linear
    • Genie
    • EMX Industries
    • Digi-Code
    • Mighty Mule
    • Wayne Dalton
    • Miller Edge
    • US Automatic
    • Marantec
    • Apollo / NICE
  • Safety Edges
    • Miller Edge
    • Liftmaster
    • EMX Industries
  • Gate Hinges
    • Guardian
    • Liftmaster
  • Transformers
    • GTO PRO
    • Mighty Mule
    • Linear
    • Liftmaster
    • Sentry
    • Genie
  • Solar Panels
    • GTO PRO
    • Mighty Mule
    • Sentry
    • US Automatic
    • Liftmaster
  • Emergency Vehcile Access
  • Driveway Alarms
    • GTO PRO
    • SECO-LARM
    • Liftmaster
    • Sentry
  • Push Buttons
    • MMTC
    • Liftmaster
    • Sentry
    • Linear Pro Access
  • Wall Console & Panels
    • MyQ Accessories
    • Liftmaster & Chamberlain
    • Linear
    • Wayne Dalton
    • Seco-Larm
    • Marantec
  • Key Switches
    • MMTC
  • Proximity Card Readers
    • Linear Pro Access
    • Secura Key
    • Linear IEI
    • AAS / Security Brands
    • AWID
  • Gate Timers
    • GTO PRO
    • SECO-LARM
    • Genie
    • Sentry
    • AAS / Security Brands
    • EMX
  • Go Control
  • Batteries
  • Coil Cord / Cord Reels
  • Garage Accessories

Category

  • Garage Replacement Parts
    • CHAMBERLAIN After 2014
    • LIFTMASTER Prior to 2014
    • LIFTMASTER 2014 - 2021
    • LIFTMASTER 2022 - 2025
    • CHAMBERLAIN Prior to 2014
    • GENIE
    • MARANTEC
    • LINEAR / NICE
  • Gate Opener Replacement Parts
    • HySecurity Gate Openers
    • Liftmaster Gate Openers
    • Linear - OSCO Gate Openers
    • Mighty Mule Gate Openers
    • GTO PRO - LINEAR PRO Openers
    • US Automatic
    • NICE / APOLLO
  • Swing Gate Openers
    • US Automatic
    • Linear Pro Access
    • GTO PRO
    • Mighty Mule
    • Sentry
    • Liftmaster
    • APOLLO / NICE
  • Slide Gate Openers
    • US Automatic
    • Liftmaster
    • APOLLO / NICE
    • Linear Pro Access
    • GTO PRO
    • Mighty Mule
  • Barrier Gate Openers
    • Linear Pro Access
  • Gate Opener Circuit Boards
    • GTO PRO
    • Mighty Mule
    • Linear
    • Sentry
    • US Automatic
    • Apollo / NICE
    • Liftmaster
    • HySecurity
  • Garage Door Openers
    • Liftmaster
    • Genie
  • Garage Opener Circuit Boards
    • Genie
    • Linear
    • Chamberlain
    • LIftmaster
    • Sears Craftsman
    • Wayne Dalton
    • Marantec
  • Replacement Parts
    • Liftmaster Replacement Parts
    • Linear / Nortek Security
    • HySecurity
  • Genie Commercial Operator Parts and Accessories
    • GCL-GH
    • GCL-GT
    • GCL-H
    • GCL-J
    • GCL-LJ
    • GCL-LT
    • GCL-MH
    • GCL-MJ
    • GCL-MT
    • Door Interlock Switches
    • Expansion Modules
    • Key Switches
    • Mechanical Accessories
    • Photoeye
    • Pull Switches
    • Push Buttons Exteriors
    • Push Interiors
    • Radio Controls
    • Sensing Edges
    • Signals: Visual & Audio
    • Vehicle Motion Sensor
    • Visual Signal Devices
  • Liftmaster Commercial Door Openers
  • Liftmaster Overhead Replacement Parts
    • Liftmaster Logic 4.0 Operators
    • APT Operator Logic 5.0
    • H Operator Logic 5.0
    • DHJ Operator Logic 5.0
    • J Operator Logic 5.0
    • DJ Operator Logic 5.0
    • T Operator Logic 5.0
    • GH Operator Logic 5.0
    • GSD Operator Logic 5.0
    • GT Operator Logic 5.0
    • HJ Operator Logic 5.0
    • MGJ Operator Logic 5.0
    • MH Operator Logic 5.0
    • MHS Operator Logic 5.0
    • MJ Operator Logic 5.0
    • MT Operator Logic 5.0
    • SD Operator Logic 5.0
  • Replacement Arms
    • Liftmaster
    • US Automatic
    • Linear Pro Access
    • APOLLO
    • Sentry 300
    • GTO PRO
    • Mighty Mule
  • Remote Controls
    • GTO PRO
    • Mighty Mule
    • Liftmaster
    • Linear Pro Access
    • Genie / OverHead Door
    • Sentry
    • US Automatic
    • Albano
    • Came
    • Keystone Remotes
    • Digi-Code
    • Pulsar
    • Seco-Larm
    • Wayne Dalton
    • Marantec
    • Sear Craftsman
    • AAS / Security Brands
    • Apollo / NICE
  • GoControl Smart Home
  • Receivers
    • GTO PRO
    • Mighty Mule
    • Linear Pro Access
    • Liftmaster
    • Sentry
    • Genie
    • Albano
    • AAS / Security Brands
    • APOLLO / NICE
    • Keystone Heddolf
    • Transmitter Solutions
    • Digi-Code
    • Pulsar
    • US Automatic
    • Seco-Larm
    • Marantec
  • Keypads
    • GTO PRO
    • Mighty Mule
    • Linear Pro Access
    • Sentry
    • Linear IEI
    • Seco-larm
    • Genie
    • Liftmaster
    • Keystone Keypad
    • EMX Industries
    • Digi-Code
    • US Automatic
    • CareFree
    • Wayne Dalton
    • Marantec
    • AAS / Security Brands
    • APOLLO / NICE
  • Keypad Pedestals
  • Intercoms
    • GTO PRO
    • Linear Pro Access
    • Aiphone
    • AAS / Security Brands
  • Telephone Entry Systems
    • Linear Pro Access
    • Select Engineered Systems
    • Liftmaster
    • AAS / Security Brands
  • Gate Locks
    • GTO PRO
    • Sentry
    • Liftmaster
  • Vehicle Detectors
    • Hysecurity
    • Exit Wands - Vehicle Sensor
    • Base Loop Detectors
    • Diablo Controls Loop Detectors
    • EDI Loop Detectors
    • GTO Loop Detectors
    • NorthStar Vehicle Detectors
    • RENO Loop Detectors
    • Loop Sealant
    • EMX Industries
    • CARTELL
    • US Automatic
    • BEA Sensors
    • Linear / Nortek
    • Liftmaster
    • Optex Virtual Detectors
    • AAS / Security Brands
  • Loop Wire
    • GTO Loop Wire
    • BD Loops
    • Low Voltage Wire
  • BEA DOOR SENSORS
  • BIRCHER DOOR SENSORS
  • Safety Sensors
    • GTO PRO
    • SECO-LARM
    • Liftmaster
    • Omron
    • Allen Bradley
    • BFT
    • Sentry
    • Linear
    • Genie
    • EMX Industries
    • Digi-Code
    • Mighty Mule
    • Wayne Dalton
    • Miller Edge
    • US Automatic
    • Marantec
    • Apollo / NICE
  • Safety Edges
    • Miller Edge
    • Liftmaster
    • EMX Industries
  • Gate Hinges
    • Guardian
    • Liftmaster
  • Transformers
    • GTO PRO
    • Mighty Mule
    • Linear
    • Liftmaster
    • Sentry
    • Genie
  • Solar Panels
    • GTO PRO
    • Mighty Mule
    • Sentry
    • US Automatic
    • Liftmaster
  • Emergency Vehcile Access
  • Driveway Alarms
    • GTO PRO
    • SECO-LARM
    • Liftmaster
    • Sentry
  • Push Buttons
    • MMTC
    • Liftmaster
    • Sentry
    • Linear Pro Access
  • Wall Console & Panels
    • MyQ Accessories
    • Liftmaster & Chamberlain
    • Linear
    • Wayne Dalton
    • Seco-Larm
    • Marantec
  • Key Switches
    • MMTC
  • Proximity Card Readers
    • Linear Pro Access
    • Secura Key
    • Linear IEI
    • AAS / Security Brands
    • AWID
  • Gate Timers
    • GTO PRO
    • SECO-LARM
    • Genie
    • Sentry
    • AAS / Security Brands
    • EMX
  • Go Control
  • Batteries
  • Coil Cord / Cord Reels
  • Garage Accessories
  1. Home
  2. Replacement Parts
  3. Liftmaster Replacement Parts

LiftMaster Replacement Parts

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Products [1207]

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Liftmaster 95LM Optional Transformer
LiftMaster 95LM Optional Transformer
$21.95
(1)
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Liftmaster 97LM Protector System Mounting Bracket Ext
LiftMaster 97LM Protector System Mounting Bracket Extension
$52.03
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Liftmaster 1702LM Quick-Release Lock All Vault-Type Garage
LiftMaster 1702LM Quick-Release Lock All Vault-Type Garage
$24.95
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Liftmaster 20-2LM 2 Strand Bell Wire Control Panel Rd/Wht
LiftMaster 20-2LM 2 Strand Bell Wire Control Panel Red/White
$42.73
(1)
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Liftmaster 21-2LM 2 Strand Bell Wire Photo Eyes Blk/Wht
LiftMaster 21-2LM 2 Strand Bell Wire Photo Eyes Black/White
$42.73
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Liftmaster 197LM Wire Channel
LiftMaster 197LM Wire Channel - 100 ft
$99.95
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Liftmaster 12D598 - U-bracket
LiftMaster 041D0598-1 U-Bracket Adaptor Kit
$19.03
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Liftmaster 41C5141-2 - Trolley
LiftMaster 041C5141-2 Square Rail Belt Drive Trolley Kit - 41C5141-2
$42.73
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LiftMaster 041A7620-10 Cover for Chamberlain Chain Drive Openers
LiftMaster 041A7620-10 Cover for Chamberlain Chain Drive Openers
$53.10
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Liftmaster 041ASWG-0119 Set of release keys LA500 Commercial Swing Gate Opener
LiftMaster 041ASWG-0119 Swing Gate Operator Release Key Set
$10.78
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Liftmaster 041ASWG-0014SA Rear Connector for Swing Gate Door Operators
LiftMaster 041ASWG-0014SA Rear Connector for Swing Gate Operators
$15.13
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Liftmaster 041ASWG-0438SA 24V DC Motor for Swing Gate Door Openers
LiftMaster 041ASWG-0438SA 24V DC Motor for LA400 Swing Gate Operators
$269.95
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Liftmaster 041B0639 Replacement Speaker for Telephone Entry Intercom Systems
LiftMaster 041B0639 Replacement Speaker for Telephone Entry Intercom Systems
$46.52
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Liftmaster 041B0012 EL25KEY Replacement Key for Telephone Entry Intercom Entry
LiftMaster 041B0012 EL25KEY Replacement Key for Telephone Entry Systems
$50.97
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Liftmaster 041C4206-2 2 Speed Gear and Sprocket Replacement Kit Dual Chain Drive
LiftMaster 041C4206-2 Dual Speed Gear and Sprocket Replacement Kit
$55.20
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Liftmaster 041D0145-1 Replacement Light Lens Chamberlain Opener After 2011
LiftMaster 041D0145-1 Light Lens for LiftMaster and Chamberlain Openers After 2011
$32.84
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Liftmaster 050DCTWF 315MHz Security+ 2.0® Receiver Logic Board Wi-Fi MyQ
LiftMaster 050DCTBFMC Bluetooth Receiver Logic Board for DC Chain and Belt Drive Openers
$139.95
(1)
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Liftmaster 11-10197 Take-Up Bolt Shaft Replacement Part (3/8
LiftMaster 11-10197 Take-Up Bolt Shaft Replacement Part 3/8 x 4 Trolley
$7.88
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Liftmaster K23-34815-1 Replacement Reset Switch for Automatic Gate Door Openers
LiftMaster K23-34815-1 Replacement Reset Switch for Automatic Gate Operators
$34.00
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Liftmaster K07-50227 Output Shaft Replacement Kit for Commercial Swing Operators
LiftMaster K07-50227 Output Shaft Replacement Kit for Commercial Swing Operators
$64.28
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Liftmaster K13-50260 Replacement Cludge Cover CSW and ROBO Series Openers Q268
LiftMaster K13-50260 Replacement Cludge Cover for CSW and ROBO Series Operators Q268
$22.43
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Liftmaster K16-50094 V-Belt, 4L220 Replacement Belt for SL3000 Slide Gate Opener
LiftMaster K16-50094 V-Belt 4L220 Replacement Belt for SL3000 Slide Gate Operators
$43.45
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Liftmaster K16-50108 replacement 4L300 V Belt Q042 CSW200UL Swing Gate Perimeter
LiftMaster K16-50108 4L300 V-Belt Replacement Belt for CSW200UL Swing Gate Operators
$17.75
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Liftmaster K16-50110 Replacement 4L190 V Belt Q045 CSW200U and CSW200UL Swing
LiftMaster K16-50110 4L190 V-Belt for CSW200U and CSW200UL Swing Gate Operators
$25.71
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Liftmaster K16-50186 Replacement V-Belt 4L420, Q0163 CSW200UL Swing Gate Opener
LiftMaster K16-50186 4L420 V-Belt for CSW200UL Swing Gate Operators
$17.65
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Liftmaster K16-50187 Replacement 4L370 V Belt (Q164) SL3000 Slide Gate Openers
LiftMaster K16-50187 4L370 V-Belt for SL3000 Slide Gate Operators
$18.06
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Liftmaster K16-50195 replacement 4L270 V Belt (Q175) CSW200U & CSW200UL Openers
LiftMaster K16-50195 4L270 V-Belt for CSW200U and CSW200UL Swing Gate Operators
$28.32
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Liftmaster K17-10165 Replacement Pulley (7
LiftMaster K17-10165 7 Inch Pulley for Commercial Door Operators
$33.90
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Liftmaster K17-50098 Replacement Motor Pulley (2 1/2
LiftMaster K17-50098 2-1/2 Inch Motor Pulley for Gate Operators
$23.56
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Liftmaster K21-5115 replacement Transformer (115V/240V) Commercial Gate Opener
LiftMaster K21-5115 Transformer, 120V to 24VAC, 40VA for Commercial Door and Gate Operators
$56.11
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Liftmaster K21-10340 15V Transformer Kit (24VAC, 20VA) Mechanical Commercial
LiftMaster K21-10340 115V Transformer Kit, 24VAC 20VA for Mechanical Commercial Door Operators
$45.37
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Liftmaster K24-115-1 Relay Replacement Kit, 120V/10A (DPDT) Mechanical Operator
LiftMaster K24-115-1 120V 10A DPDT Relay Replacement Kit for Mechanical Commercial Operators
$25.45
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Elite K23-50099 Liftmaster K23-50099 Limit Switch SL3000 CSW200 RoboSlide 2 Switches (COPY)
Elite / LiftMaster K23-50099 Q029 Limit Switch for SL3000, CSW200, RoboSlide and RoboSwing Gate Operators
$15.13
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Liftmaster K23-10041 Limit Switch Replacement Kit (SPDT, 10A 125/250VAC) 1/2 HP
LiftMaster K23-10041 SPDT 10A Limit Switch for Select 1/2 HP Commercial Door and Gate Operators
$15.25
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Liftmaster K23-2016 Limit Switch for Swing & Slide Gate Door Operators G232016
LiftMaster K23-2016 Limit Switch for Swing and Slide Gate Operators
$10.02
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Liftmaster K29-10338 Motor Capacitor 70MFD 50/60Hz 230VAC MT BMT MJ MH HMJ MHS
LiftMaster K29-10338 70 MFD 230VAC Motor Capacitor for Commercial Door Operators
$39.95
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Liftmaster K29-32410 Replacement Alarm Kit for Slide Gate Door Operators
LiftMaster K29-32410 Alarm Kit for SL575, SL585 and SL595 Slide Gate Operators
$53.31
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Liftmaster K32-50225 Replacement Gear Reducer (30:1, #40) Swing & Slide Operator
LiftMaster K32-50225 Q212 30:1 #40 Gear Reducer for Select Swing and Slide Gate Operators
$313.87
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Liftmaster K32-50091 Replacement Gear Reducer 30:1 SL3000 Slide Gate Opener Q015
LiftMaster K32-50091 Q015 30:1 Gear Reducer for SL3000 Slide Gate Operators
$405.80
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Liftmaster K45-50676 Replacement Cludge Thumb Screw Swing Gate Door Operators
LiftMaster K45-50676 Cludge Cover Thumb Screw for Select Swing Gate Operators
$10.32
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Liftmaster K70-51060 Surge Protector Kit SL3000 & CSW200 Commercial Opener Q410
LiftMaster K70-51060 Q410 Surge Protector Kit for SL3000 and CSW200 Gate Operators
$135.17
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Liftmaster K71-10345 Replacement RPM Sensor Board Commercial Door Operators
LiftMaster K71-10345 RPM Sensor Board for Commercial Door Operator Electrical Boxes
$119.95
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Liftmaster K32-50251 Gear Reducer 40:1 Replacement Kit Q248 HCT Overhead Opener
LiftMaster K32-50251 Q248 40:1 Gear Reducer for HCT Overhead Gate Operators
$432.50
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Liftmaster K72-12508 Replacement Output Shaft Kit (T, 1/3HP, 1/2HP) Trolley
LiftMaster K72-12508 Output Shaft Kit for Model T 1/3 HP and 1/2 HP Trolley Operators
$208.36
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Liftmaster K72-12509 Replacement Trolley Output Shaft Kit (3/4 & 1 HP) 41B32
LiftMaster K72-12509 Trolley Output Shaft Kit for 3/4 HP and 1 HP Operators
$207.34
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Liftmaster K71-B1PH Replacement Internal Brake Solenoid (120/240V, 1PH) Operator
LiftMaster K71-B1PH Internal Brake Solenoid for 120/240V Single Phase Operators
$299.26
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Liftmaster K72-10047-1 Limit Switch Shaft Replacement Kit 3HP Commercial Opener
LiftMaster K72-10047-1 Limit Switch Shaft Kit for 3 HP Commercial Operators
$124.22
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Liftmaster K72-14130-1 Replacement Limit Shaft Kit Commercial Electrical Box
LiftMaster K72-14130-1 Limit Shaft Kit for Commercial Operator Electrical Boxes
$86.60
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Liftmaster K74-18379 Replacement Hall Effect Sensor Kit Slide Gate Operators
LiftMaster K74-18379 Hall Effect Sensor Kit for Slide Gate Operators
$64.63
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Liftmaster K74-30763 LA400 Plug-In Transformer 120VAC 50-60Hz 36VDC 1.1A Output
LiftMaster K74-30763 Plug-In Transformer for LA400 Swing Gate Operators
$84.65
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Frequently Asked Questions : Liftmaster Replacement Parts


Q1: What is the primary function of LiftMaster replacement parts?

A1: LiftMaster replacement parts are technical components designed to maintain or restore the operational integrity of automated gate and garage door systems. These components include logic control boards, motor assemblies, and mechanical drive hardware required for safe and consistent access control.

Q2: How is the compatibility of LiftMaster electrical components determined?

A2: Compatibility is primarily identified by the color of the "Learn" button on the motor head or the specific part number found on the existing component. Common button colors include yellow, purple, orange/red, and green, each signifying a distinct radio frequency and encryption generation.

Q3: What role does the logic control board play in a LiftMaster operator?

A3: The logic control board acts as the central processor for the operator, managing inputs from access controls and safety devices while regulating motor output. It is technically necessary to match the board model precisely to the operator series to ensure electrical and software synchronization.

Q4: What are LiftMaster gear and sprocket replacement kits?

A4: These kits are mechanical assemblies used to restore the drive system in chain-driven garage door openers. They typically include the main drive gear, worm gear, and necessary bushings to address mechanical wear and ensure smooth power transmission from the motor.

Q5: What is Security+ 2.0 technology in LiftMaster components?

A5: Security+ 2.0 is a proprietary multi-frequency rolling code technology that operates on 310, 315, and 390 MHz. This encryption system prevents unauthorized signal interception and ensures that only paired transmitters and receivers can activate the system.

Q6: What are the technical requirements for LiftMaster safety sensors?

A6: Safety sensors, or photoelectric eyes, utilize an infrared beam to detect obstructions in the gate or door path. If the beam is interrupted during a closing cycle, the sensors signal the control board to reverse movement; maintaining clean lenses and proper alignment is required for operation.

Q7: What power configurations do LiftMaster operators typically utilize?

A7: Depending on the model, LiftMaster systems may utilize 12V or 24V DC power with integrated battery backups, or standard 115V AC primary power. It is essential to verify the specific voltage and amperage requirements of the logic board before integrating new electrical parts.

Q8: How do limit switch assemblies function in these systems?

A8: Limit switch assemblies are electromechanical devices that communicate the physical "open" and "closed" positions of the gate or door to the control board. These components ensure the motor terminates movement at the correct travel points to prevent mechanical strain or hardware damage.

Q9: What routine maintenance is recommended for LiftMaster replacement parts?

A9: Maintenance involve periodically inspecting electrical terminals for signs of corrosion and verifying that mechanical linkages remain free of debris. For internal diagnostic procedures, torque adjustments, or hardware repairs, consult the manufacturer's manual or hire a local qualified professional.

Q10: What should be done if a replacement part fails to resolve an operator issue?

A10: Failure to resolve an issue may indicate broader electrical faults, such as improper grounding or secondary component failure. For advanced technical troubleshooting, wiring diagnostics, or hardware installation, refer to the manufacturer’s technical documentation or consult a local qualified professional.
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