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You are here: Home > Select Products > Parts > Garage Door Opener Parts (Residential) > Chamberlain > Chamberlain Belt Drive models WD900D,HD900D
First part of number below corresponds to diagram number above:
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01-41C76 Belt cap retainer & cog
Product Price: $6.81

Belt cap retainer & cog for 2500B & 2500D
02-41B4245 Line cord 4'
Product Price: $6.21
Line cord
03-41B4375-3 Terminal block w/screws
Product Price: $4.25
Terminal block w/screws
04-41A6281 Wire harness kit
Product Price: $8.25
41A6281 Wire harness kit Liftmaster-Chamberlain-garage-door-parts
05-41D794 Motor w/positioning sensor
Product Price: $67.13

41D794 Motor w/positioning sensor Liftmaster-Chamberlain-garage-door-parts
06-41DB002-2 Receiver logic assembly 315 mhz
Product Price: $78.92

41DB002-2 Receiver logic assembly 315 mhz
41db002 Installation Instructions (click here)

Note: If using on a Sears Craftsman unit you will remove the board from this panel and reuse your existing plastic panel
06-41DB002-2-390 Alt frequency board (390 MHz) (not shown)
Product Price: $78.92
41DB002-2-390 Alt frequency board (390 MHz) (not shown) Liftmaster-Chamberlain-garage-door-parts
07-41A6231 End panel w/battery door and screw
Product Price: $15.66

41A6231 End panel w/battery door and screw Liftmaster-Chamberlain-garage-door-parts
08-41C190 Transformer and harness
Product Price: $32.28
41C190 Transformer and harness Liftmaster-Chamberlain-garage-door-parts
09-41D504-5 Cover for WD962KD
Product Price: $24.85
41D504-5 Cover for WD962KD Liftmaster-Chamberlain-garage-door-parts
09-41D504-6 Cover for HD900D
Product Price: $27.12
41D504-6 Cover for HD900D Liftmaster-Chamberlain-garage-door-parts
10-108D79 Light lens
Product Price: $15.74

108D79 Light lens Liftmaster-Chamberlain-garage-door-parts
11-175B88 Light socket (4a1344)
Product Price: $10.49

175B88 Light socket Liftmaster_Chamberlain garage door parts
12-41A6357-1 Battery - 12V
Product Price: $21.22

41A6357-1 Chamberlain Battery replacement - 12V 4.5ah
41A2770-6 Installation Hardware kit for openers
Product Price: $9.69
Liftmaster 41A2770-6 Installation Hardware kit
Hardware kit for garage door openers which includes bolts for 41a5034 eyes, release cord and handle,grease,staples arm bolts etc
see photo
41A5250 Full belt assembly - 7' door
Product Price: $56.89

chamberlain belt 41A5250
Full belt assembly - 7' door 234" appx
41A5250-1 Full belt assembly - 8' door
Product Price: $58.79

41A5250-1 chamberlain drive belt
Full belt assembly - 8' door 258" appx
41A5250-2 Full belt assembly - 10' door
Product Price: $59.93
41A5250-2 belt for chamberlain garage door opener
Full belt assembly - 10' door 307.5" appx
41B873 Liftmaster I.R. Bracket Sunblocker
Product Price: $6.81
Liftmaster 41B873 I.R. Bracket Sunblocker
Liftmaster 41B873 I.R. Bracket Sunblocker
Liftmaster eye kit 41A5034 (used on 1997-current units)
Product Price: $26.33

Liftmaster eye kit 41A5034
Liftmaster Safety Sensors kit (used on 1997-current units)one side has amber led other side has green led units attach to brackets by head of carriage bolt (they do not have a bolt hole through them) units measure appx 2-3/8 " long w/3 feet 2-conductor wire

S1-41A4373A Safety sensor kit used on model from 1993-1997
Product Price: $26.33

Safety sensor kit used on models manufactured from 1993-1997 units now comes with plugs and 3' of wire (for additional wire see 41B4494 ) each unit has a green led, units have a bolt hole that goes completely through the unit. measures appx 3-1/8" tip to tip