Belt Buyers Guide

LiftMaster Drive Belt Buying Guide

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41A5250 Drive Belts

 

                     Compatible Units:

 

WD822KD

HD600

WD912KS

WD952KLD

WD833KS

WD952KD

 

                           Identifying Features:

 

grooves-copy.jpg

20 grooves per SIX INCHES

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The end of your belt uses 109B33 Trolley Clip

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The end of your belt also uses 29B129 Belt Connector

   

                               Available Sizes:

 
 41a5250-copy.jpg  41a5250-copy.jpg  41a5250-copy.jpg

 7 Foot Door

41A5250

Belt measures 233 Inches

20 grooves per 6 Inches

8 Foot Door

41A5250-1

Belt measures 255 Inches

20 grooves per 6 Inches

 10 Foot Door

41A5250-2

Belt measures 307.5 Inches

20 grooves per 6 Inches

 41A3589 Drive Belts

 

Compatible Units:

 

1270

8100

1280

8200

9500

1280R

9200

 

 

Identifying Features:

 

 

 12-grooves-copy.jpg

12 grooves per SIX INCHES.

 

109b33-clip-copy.jpg

The end of your belt uses 109B33 Trolley Clip

 

 Available Sizes:

 
 41a3589-copy.jpg  41a3589-copy.jpg  41a3589-copy.jpg

 7 Foot Door

41A3589-3

Belt measures 233 Inches

12 grooves per 6 Inches

8 Foot Door

41A3589-1

Belt measures 255 Inches

12 grooves per 6 Inches

10 Foot Door

41A3589-2

Belt Measures 307.5 Inches

12 grooves per 6 Inches

 41A5434 Drive Belts

 

Compatible Units:

 

WD822K

3500

2500B

WD922K

3550

3280M

WD912K

3580

3500D

2500

3580M

8355

2580

2585

2280

3585

3280

 

Identifying Features:

 

grooves-copy.jpg

20 grooves per SIX INCHES.

109b33-clip-copy.jpg

The end of your belt uses 109B33 Trolley Clip

29b129-clip-copy.jpg

The end of your belt also uses 29B129 Belt Connector
 

Available Sizes:

 
41a5434.jpg 41a5434.jpg 41a5434.jpg

7 Foot Door

41A5434-11

Belt measures 233 Inches

20 grooves per 6 inches

8 Foot Door

41A5435-13

Belt measures 255 Inches

20 grooves per 6 Inches

10 Foot Door

41A5434-14

Belt Measures 307.5 Inches

20 grooves per 6 Inches

Drive Belt Repair Parts

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4A1008 Master Link Kit

 
  • Purpose? Links belts together

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41A3588-1 Belt Pulley Bracket

 

Works on Models:

  • 1270
  • 1280
  • 1280R

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41B5424 Belt Pulley Bracket

 

Works on Models:

2500, 2580, 2280, 3500, 3850, 3280,

3280M, 2585, 3585, 2500B, 2500B

 41b3869-1-copy.jpg

41B3869-1 Belt Drive Trolley

 

Works on Models: 

1270, 1280, 1280R, 2280, 2580, 2500, 2500B,

2500D, 2585, 8100, 8200, 9200, WD822K, WD922K, WD912K, WD822KS

109b33-clip-copy.jpg 

109B33 Trolley Belt Clip

 
  • For use with all Chamberlain LiftMaster Belt Drive Operators.
  • Compatible with the 41B3869-1 Trolley

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41B4103 Tensioner Assembly

  For use with 41B3869-1 Trolley

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83A11-2 Garage Door Rail Grease

   Grease used to lubricate the trolley and track of your garage door opener

 29b129-clip-copy.jpg

29B129 Belt Connector

 

 Used to splice together drive belts.

Compatible with models 1270, 1280, and 1280R.