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Liftmaster Model T Opener Parts

When your LiftMaster Model T Commercial Operator breaks down you need to get the repair parts fast. Fortunately North Shore Commercial Door has what you need to get a repair underway quickly! The Model T Exploded Parts View page has any repair part you need for a model T operator. From the feather key and header pivot pin, all the way up to the motor!

Finding the part you need has never been easier! Simply follow the instructions below to match the part number you need up with the table, or visually with the listings below! If you don't see the item you need, or have any questions feel free to email us at

  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 71-B1PH Liftmaster 71-B1PH Single Phase Break Kit
71-B3PH Liftmaster 71-B3PH Three Phase Break Kit
71-B575-1 Liftmaster 71-B575-1 575 Volt Brake Kit
K2 K75-10177 Liftmaster K75-10177 Brake Hub Kit
K3 K72-12506 Liftmaster K72-12506 Clutch Shaft Kit 1/3 & 1/2 HP
K72-12507 Liftmaster K72-12507 Clutch Shaft Kit 3/4 & 1 HP
K4 K72-12508 Liftmaster K72-12508 Output Shaft Kit 1/3 & 1/2 HP
K72-12509 Liftmaster K72-12509 Output Shaft Kit 3/4 & 1 HP
K5 K75-12870 Liftmaster K75-12870 Door Arm Kit
1 K22-36899 Liftmaster K22-36899 Single Phase Brake Solenoid
K22-36900 Liftmaster K22-36900 Three Phase Brake Solenoid
2 80-14414 Liftmaster 80-14414 Feather Key
3 10-10166 Liftmaster 10-10166 Clutch Plate
4 11-10014 Liftmaster 11-10014 Clutch Shaft
5 12-10029 Liftmaster 12-10029 Bearing 3/4" I.D.
6 15-41B10G1 Liftmaster 15-41B10G1 Sprocket 48B10x3/4
7 16-5L300 Liftmaster 16-5L300 Cogged Belt
8 17-10165 Liftmaster 17-10165 Motor Pulley 7" O.D.
9 18-10164 Liftmaster 18-10164 Clutch Spring 1/3 & 1/2 HP
18-10168 Liftmaster 18-10168 Clutch Spring 3/4 & 1 HP
10 39-10167 (19) 39-10167 CLUTCH DISC
11 87-P-075 Liftmaster 87-P-075 Push on Fastener
12 12-10331 Liftmaster 12-10331 Flange Bearing
13 15-41B10G1 Liftmaster 15-41B10G1 Sprocket 3/4 & 1 Hp
15-48B10GXX Liftmaster 15-48B10GXX Sprocket 1/3 & 1/2 HP
14 15-41B32GXX Liftmaster 15-41B32GXX Sprocket 41B32x3/4
15 15-48B10G1 Liftmaster 15-48B10G1 Sprocket 41B10x3/4
16 19-41047 Liftmaster 19-41047 Roller Chain #41x47 Pitches
17 19-48033M Liftmaster 19-48033M Limit Chain #48x33 Pitches
18 75-10170 Liftmaster 75-10170 Commercial Garage Door Opener Trolley
19 75-10174 Liftmaster 75-10174 Front Idler Assembly
20 K75-10259 Liftmaster K75-10259 Tracker Spacer
21 10-10205 Liftmaster 10-10205 Header Bracket
22 11-10130 Liftmaster 11-10130 Header Pivot Pin
23 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
24 * Door Track
25 10-10011M1 Liftmaster 10-10011M1 Frame
26 K75-10030 Liftmaster K75-10030 Frame Spacer
27 1110197 Liftmaster 1110197 Take Up Bolt
28 K75-17034 Liftmaster K75-17034 Heavy Duty Straight Arm
  * Call for Pricing and Availability

Liftmaster Model T Opener Parts