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First part of number below corresponds to diagram number above:
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41C76 01-41C76 Belt cap retainer & cog

Belt cap retainer & cog for 2500B & 2500D

Product Price: 6.81

41B4245 02-41B4245 Line cord 4'

Line cord

Product Price: 6.21
41B4375-3 03-41B4375-3 Terminal block w/screws

Terminal block w/screws

Product Price: 4.25
41A6281 04-41A6281 Wire harness kit

41A6281 Wire harness kit Liftmaster-Chamberlain-garage-door-parts

Product Price: 8.25
41D794 05-41D794 Motor w/positioning sensor

41D794 Motor w/positioning sensor Liftmaster-Chamberlain-garage-door-parts

Product Price: 67.13

41A6231 07-41A6231 End panel w/battery door and screw

41A6231 End panel w/battery door and screw Liftmaster-Chamberlain-garage-door-parts

Product Price: 15.66

41C190 08-41C190 Transformer and harness

41C190 Transformer and harness Liftmaster-Chamberlain-garage-door-parts

Product Price: 32.28
41D504-4 Cover for 3850 09-41D504-4 Cover for 3850

41D504-4 Cover for 3850 Liftmaster_Chamberlain-garage door parts

Product Price: 27.58
108D79 10-108D79 Light lens

108D79 Light lens Liftmaster-Chamberlain-garage-door-parts

Product Price: 15.74

4A1344 11-4A1344 light socket

Light socket

Product Price: 10.49

Liftmaster 41A2770-6 Installation Hardware kit 41A2770-6 Installation Hardware kit for openers

Hardware kit for garage door openers which includes bolts for 41a5034 eyes, release cord and handle,grease,staples arm bolts etc
see photo

Product Price: 9.69
garage door belt 41A5434-11 41A5434-11 Full belt assembly - 7' tall door

Full belt assembly - 7' tall door 233"

Product Price: 58.07

door belt 41A5434-13 41A5434-13 Full belt assembly - 8' tall door

Full belt assembly - 8' tall door 255" appx

Product Price: 59.93

lift master garage door belt 41A5434-14 41A5434-14 Full belt assembly - 10' tall door

Full belt assembly - 10' tall door 307.5" appx

Product Price: 63.39
Liftmaster 41B873 I.R. Bracket Sunblocker 41B873 Liftmaster I.R. Bracket Sunblocker

Liftmaster 41B873 I.R. Bracket Sunblocker

Product Price: 6.81
485LM  Battery - 12V 485LM Liftmaster Battery - 12V

Liftmaster 485LM Battery - 12V replacement battery for 8550 and 8360 garage door openers

Liftmaster eye kit 41A5034 Liftmaster eye kit 41A5034 (used on 1997-current units)

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

Product Price: 26.33

S1-41A4373A S1-41A4373A Safety sensor kit used on model from 1993-1997 **NO LONGER AVAILABLE**

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

Product Price: 39.33