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Liftmaster Model HJ Opener Parts

Welcome to the LiftMaster Model HJ Opener Exploded Parts View page, where repairs are made simple. North Shore Commercial Door has done all of the hard work for our customers and taken the guess work out of the equation. All customers need to do is either match up the part number of their item, or visually match the repair part they have.

Our interactive Parts view has a diagram that pulls up compatibility and pricing information, as well as a table with links to the listings that our customers need.

Using the diagram and table is easy, just follow the instructions below! If you are having difficulties with the Interactive Parts View, or have questions for North Shore Commercial Door's staff, please feel free to contact us! Just send an email to with your question, and a customer service representative will be with you shortly!

  1. Place your mouse over the number or letter representing the product you need. Product information should pop up.
  2. Click BUY NOW and you will be redirected to the product you need and can add item to cart.
  1. Use the table to find the item you need.
  2. Click the red text and it will take you to the product page.
Key Part # Description
K1 K72-19982 Liftmaster K72-19982 Clutch Shaft Kit
K2 K72-19974 Liftmaster K72-19974 Output Shaft Kit
1 11-19473 Liftmaster 11-19473 Clutch Shaft - HJ
2 12-19504 Liftmaster 12-19504 Keyed Flange Bearing 1"
3 15-30822 Liftmaster 15-30822 Dual Sprocket 32/14
4 15-19484 Liftmaster 15-19484 Splined Core Sprocket
5 18-11379 Liftmaster 18-11379 Compression Spring
6 18-30957 Liftmaster 18-30957 Compression Spring
7 75-10884 Liftmaster 75-10884 Chain Wheel Assembly
8 K75-19985 Liftmaster K75-19985 Pulley Assembly
9 39-10167 Liftmaster 39-10167 Clutch Pad
10 10-10882 Liftmaster 10-10882 Chain Guide
10A 12-10883 Liftmaster 12-10883 Nyliner Bearing
10B 12-10882 Liftmaster 12-10882 Bushing .753 I.D. x 5/8"
10C 80-10883 Liftmaster 80-10883 Washer Spacer
11 80-19846 Liftmaster 80-19846 Splined Hub
12 15-19478 Liftmaster 15-19478 Sprocket Assembly
13 15-48B18LGE Liftmaster 15-48B18LGE Sprocket
14 15-50B12LGH Liftmaster 15-50B12LGH Sprocket
15 16-5L304 Liftmaster 16-5L304 Cogged Belt 30.4"
16 K75-19978-R Liftmaster K75-19978-R Frame Kit (R)
17 K75-19978-L Liftmaster K75-19978-L Frame Kit (L)
18 K75-19977 Liftmaster K75-19977 Arm Kit - Right
19 K75-19981 Liftmaster K75-19981 Arm Kit - Left
20 17-6014 Liftmaster 17-6014 Motor Pulley
21 K20-1033B-2LP-H24 Liftmaster K20-1033B-2LP-H24 Motor - Model HJ331L5 1/3HP
K20-3033B-4P-H24 Liftmaster K20-3033B-4P-H24 Motor - Model HJ333L5 1/3HP
K20-1050B-2LP-H24 Liftmaster K20-1050B-2LP-H24 Motor - Model HJ501L5 1/2HP
K20-3050B-4P-H24 Liftmaster K20-3050B-4P-H24 Motor - Model HJ503L5 1/2HP
K20-3050M-5-H25 Liftmaster K20-3050M-5-H25 Motor - Model HJ505L5 1/2HP
K20-1075B-2LP-H24 Liftmaster K20-1075B-2LP-H24 Motor - Model HJ751L5 3/4HP
K20-3075B-4P-H24 Liftmaster K20-3075B-4P-H24 Motor - Model HJ753L5 3/4HP
K20-3075M-5-H25 Liftmaster K20-3075M-5-H25 Motor - Model HJ755L5 3/4HP
K20-1100B-2LP-H24 Liftmaster K20-1100B-2LP-H24 Motor - Model HJ101L5 1HP
K20-3100B-4P-H24 Liftmaster K20-3100B-4P-H24 Motor - Model HJ103L5 1HP
K20-3100m-5-H25 Liftmaster K20-3100m-5-H25 Motor - Model HJ105L5 1HP
22 23-10916 Liftmaster 23-10916 Interlock Switch

Liftmaster Model HJ Opener Parts