Liftmaster Commercial Door Parts

APT5011 & APT501L5 Apartment Trolley Parts

EGJ Carwash Gear-Reduced Jackshaft Parts

GH5011 & All GH Series Gear-Reduced Hoist Parts

GH 5HP Heavy Industrial Gear-Reduced Hoist Parts

Electrical Box: GH 5HP Operators

GSD5011 & All GSD Series Slide Door Parts

GT5011 & All GT Series Gear-Reduced Trolley Parts

Electrical Box: L3 for T, GT, GH Operators

Electrical Box: L4 for T, GT, GH Operators

H5011 & All H Series Industrial Hoist Parts

Electrical Box: L3 for J, H, HJ Operators

Electrical Box: L4 for J, H, HJ Operators parts

HJ Model Jackshaft Operator Parts - Prior to 2005

HJ5011 & All HJ Series Hoist Jackshaft Parts

HMJ5011 Hoist & 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: LGJ Operators

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: MT, BMT, MJ, MH, HMJ Operators

MGJ5011, MGJ5023, MGJ5025 Jackshaft Parts

Electrical Box: MGJ Operators

SD5011 & All SD Series Slide Door Parts

SJ Speed Jack Operator Parts

SJ1053 Wall Mounted Starter Parts

SJ Starter Parts: SJ1011, SJ1021, SJ1023, SJ1043

T5011 & All T Series Standard-Duty Trolley Parts

Electrical Box: Contactor Style Operators

Electrical Box: Logic Control Version 2

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.

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.