LiftMaster Model J Opener Parts

Welcome to the LiftMaster Model J Opener Exploded Parts View Page brought to you by North Shore Commercial Door. Here customers will be able to find every available repair part on the market to get their Model J Commercial Operator up and running! Regardless of Phase, Voltage, or Horse power, this page will help customers cut down on research and lead times.

Below customers will be able to match their part by image, or part number. North Shore Commercial Door has implemented interactive graphics, as well as a table with the model and description of each item for easy identification. Using the diagram is easy and intuitive so be sure to give it a try today!
Key Part # Description
K1 K72-19975 Liftmaster K72-19975 Clutch Shaft Kit
K2 K72-19974 Liftmaster K72-19974 Output Shaft Kit
1 Clutch Shaft - J Available only in complete Clutch Shaft Kit
2 12-19504 Liftmaster 12-19504 Key Flange Bearing 1"
3 15-30822 Liftmaster 15-30822 Dual Sprocket 32/14
4 15-19484 Liftmaster 15-19484 Splined Core Sprocket
5 18-30957 Liftmaster 18-30957 Compression Spring
6 K75-19985 Liftmaster K75-19985 Pulley Assembly
7 39-10167 Liftmaster 39-10167 Clutch Pad
8 80-19846 Liftmaster 80-19846 Splined Hub, J Disconnect
9 15-19478 Liftmaster 15-19478 Sprocket Assembly
10 15-48B18LGE Liftmaster 15-48B18LGE Sprocket 48B18x1"
11 15-50B12LGH Liftmaster 15-50B12LGH Sprocket 50B12x1"
12 16-5L304 Liftmaster 16-5L304 Cogged Belt 30.4"
13 K75-19978-R Liftmaster K75-19978-R Frame Kit (Right)
14 K75-19978-L Liftmaster K75-19978-L Frame Kit (Left)
15 K75-19977 Liftmaster K75-19977 J Arm Kit
16 17-6014 Liftmaster 17-6014 Motor Pulley
17 K20-1033B-2LP-H24 Liftmaster K20-1033B-2LP-H24 Motor - Model J331L5 1/3HP
K20-3033B-4P-H24 Liftmaster K20-3033B-4P-H24 Motor - Model J333L5 1/3HP
K20-1050B-2LP-H24 Liftmaster K20-1050B-2LP-H24 Motor - Model J501L5 1/2HP
K20-3050B-4P-H24 Liftmaster K20-3050B-4P-H24 Motor - Model J503L5 1/2HP
K20-3050M-5-H25 Liftmaster K20-3050M-5-H25 Motor - Model J505L5 1/2HP
K20-1075B-2LP-H24 Liftmaster K20-1075B-2LP-H24 Motor - Model J751L5 3/4HP
K20-3075B-4P-H24 Liftmaster K20-3075B-4P-H24 Motor - Model J753L5 3/4HP
K20-3075M-5-H25 Liftmaster K20-3075M-5-H25 Motor - Model J755L5 3/4HP
K20-1100B-2LP-H24 Liftmaster K20-1100B-2LP-H24 Motor - Model J101L5 1HP
K20-3100B-4P-H24 Liftmaster K20-3100B-4P-H24 Motor - Model J103L5 1HP
K20-3100M-5-H25 Liftmaster K20-3100M-5-H25 Motor - Model J105L5 1HP

LiftMaster Model J Opener Parts