Liftmaster Commercial Door Parts

3900 Wall Mount Commercial Door Operator Parts
ATSW Light-Duty Commercial Operator Parts
DDO8900W Dock Door Operator Parts
LJ8900W Light-Duty Jackshaft Operator Parts
LJ8950W Light-Duty Jackshaft Operator Parts
MHS5011 Medium-Duty Hoist Operator Parts
APT5011 & APT501L5 Apartment Trolley Parts
EGJ Carwash Gear-Reduced Jackshaft Operator
GH5011 & All GH Series Gear-Reduced Hoist Parts
GH 5HP Heavy Industrial Gear-Reduced Hoist Parts
Electrical Box: For GH 5HP Operators parts
GSD5011 & All GSD Series Slide Door Parts
GT5011 & All GT Series Gear-Reduced Trolley Parts
Electrical Box: L3 for T, GT, GH Operators parts
LOGIC CONTROL VERSION 4 FOR T, GT, GH
H Model -Duty Hoist Operator 2005-2014
L3 for J, H, HJ Operators parts
Electrical Box: L4 for J, H, HJ Operators parts
HJ Model Jackshaft Operator Parts - Prior to 2005
HJ5011 & All HJ Series Hoist Jackshaft Parts
HMJ Jackshaft Operator parts
J Model Jackshaft Operator Parts — Prior to 2005
J5011 & All J Series Industrial Jackshaft Parts
LGJ Light-Duty Gear Reduced Operator parts
Electrical Box: For LGJ Operators parts
LGO Light-Duty Gear Reduced Operator parts
MH5011R, MH5011L Medium-Duty Hoist Parts
MJ5011, MJ5025 Medium-Duty Jackshaft Parts
MT5011, MT5025, BMT5011, BMT5025 Trolley Parts
Electrical Box: For MT, BMT, MJ, MH, HMJ Opera
MGJ5011, MGJ5023, MGJ5025 Jackshaft Parts
Electrical Box: For MGJ Operators parts
SD5011 & All SD Series Slide Door Parts
SJ Model Speed Jack Operator parts
SJ Model Starter parts for SJ1053 wall mounted
SJ Model Starter parts for SJ1011, 1021, 1023,1043
T5011 & All T Series Standard-Duty Trolley Parts
Electrical Box: Contactor Style Operators parts
Electrical Box: Logic control Version 2 parts
Electrical Box: Logic control Version 3
LOGIC CONTROL VERSION 4 FOR J, H, HJ

LiftMaster Commercial & Industrial Door Operator Parts by Model

Find your operator model on the nameplate on the motor housing, then click it below to open a labeled parts diagram — every part number links straight to the item so you can identify and order in one step. Model pages cover Logic 4.0 and Logic 5.0 control boxes, and voltage and horsepower variants are listed as rows inside each page. Disregard any letters after the model number.

Light-Duty Operators

Medium-Duty Operators

Standard & Gear-Reduced Trolley Operators

Industrial-Duty Operators

Heavy Industrial & Slide-Door Operators

Electrical Box & Logic Control Parts

GateHouse Supplies stocks genuine LiftMaster commercial and industrial door operator parts for trolley, jackshaft, hoist, gear-reduced and slide-door operators. Each model page includes a labeled parts diagram with every part number linked directly to the item, plus Logic 4.0, Logic 5.0, NEMA 4/4X and contactor-style electrical box parts, motors, brake kits, gear reducers, clutches and drive components. Voltage and horsepower variants — 115V, 230V and 460V single- and three-phase, from 1/3 HP through 5 HP — are listed as rows inside each model page. All parts ship fast from our California warehouse.