LiftMaster Model J, H, and HJ Electrical Box Replacement Parts

LiftMaster Repair Parts for Models J, H, and HJ Electrical Boxes have been hard to find in the past. North Shore Commercial Door has eliminated the need for customers to search high and low for the components that they need with our new Exploded Parts View. On this page customers can look at a diagram, find the part they need to replace, and order it all in the same step. Using the Interactive Exploded Parts View is easy, just follow the instructions below! If you have questions, comments, or concerns about a product please feel free to reach out to us at any time. Our Staff can be by email at Support@northshorecommercialdoor.com.

USING THE INTERACTIVE EXPLODED PARTS VIEW

Place your mouse over the number or letter representing the product you need. Product information should pop up.
Click BUY NOW and you will be redirected to the product you need and can add item to cart.

OR, IF YOU KNOW YOUR PART NUMBER

Use the table to find the item you need.
Click the red text and it will take you to the product page.

Key	Part #	Description
1	K72-14130-1	Liftmaster K72-14130-1 Limit Shaft Kit
2	K72-12515-1	Liftmaster K72-12515-1 Limit Switch Kit
1	13-10024	Liftmaster 13-10024 Limit Nut
2	23-10041	Liftmaster 23-10041 Limit Switch
3	K75-36914-2	Liftmaster K75-36914-2 Cover
4	K21-14182	Liftmaster K21-14182 Transformer 115/230 Volts, 20Va
	K21-36793	Liftmaster K21-36793 Transformer 208-230/460 Volts, 20Va
	K21-35077	Liftmaster K21-35077 Transformer 575 Volts, 40Va
5	K74-31243	Liftmaster K74-31243 MOV 580 Volts
6	K79-15016-1	Liftmaster K79-15016-1 RPM Sensor Assembly
7	K001D8075-1	Liftmaster K001D8075-1 Logic Board
8	K2A761	Liftmaster K2A761 Coaxial Cable
9	K001C8103-1	Liftmaster K001C8103-1 Antenna
10	42-31246	Liftmaster 42-31246 Terminal Block
11	K001D8072-1	Liftmaster K001D8072-1 Single Phase Relay / Power Board
11	K001D8073-1	Liftmaster K001D8073-1 Three Phase Relay / Power Board