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Chain Drive Gear & Sprocket Assembly
Generic Replacement Gear (Only available online)Liftmaster Safety SensorsReplacement Parts(ILLUSTRATED)Light Socket COMMERCIAL OPENERS ATS Models 2003 To Current
ATS 211X & 2113X
Returnsmulti Function Wall Console1993 T0 1995 2 WireLiftmaster/Chamberlain Light Lens
Belt Drive & Chain Drive
3 Models
REPLACEMENT BELT PART# 41A3589-3 FOR 7' HIGH DOORS ONLY BELT DRIVE MODELS 1270 1280 1280R

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Chain Drive Gear & Sprocket Assembly




Order Information
Item # newitem59635677
Price$52.90
Sale Price$39.95
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IN STOCK
Add the Generic Gear to your order,rebuild your old shaft assembly and keep as a sprare.

This part is the easiest way (Recommended)to replace the gear. Remove the chain, remove the three screws from the top plate,remove the bottom gear, remove and replace the entire assembly.

This part is the easiest way (Recommended)to replace the gear. Remove the chain, remove the three screws from the top plate,remove the bottom gear, remove and replace the entire assembly.

The typical cause for gear failure is: lack of lubrication, garage door out of balance, door slams to the floor in the "down" cycle.

Maintenance: Lubricate the drive gear periodically, adjust the "down" limit switch to meet the floor without slamming, keep garage door springs adjusted for proper balance or replace springs if necessary. Lubricate all garage door hardware, rollers, sheaves and track radius.

LIFTMASTER MODELS
ORIGINAL MFG REPLACEMENT PART# 41C4220A
Chain Drive Models 1984 TO CURRENT LM MODEL Numbers: 1040LM 1045LM 1050LM 1055LM 1060LM 1140LM 1145LM 1146LM 1150LM 1155LM 1156LM 1160LM 1240LM 1240R 1245LM 1245R 1245LK 1246LM 1246R 1250LM 1255LM 1255R 1256R 1260LM 1265LM(167-267) 1355LM 2245LM 2255LM 2265LM 2565LM 3255LM 3265LM
2245 2255 2265 985 215WD 220WD 300WD 1040 1045 310WD 320WD 41A4252-7 41A4252-6 41A5021(B-C-D-E-G-H) 41A5021(1B-1C-1D-1E-1F-1G-1H) 41A4201 41A3039 41A3519-1 41A3623 41A3040 41A3622 41A3626 41A3627 41DD2745 41D2951 41A5483(1-B)

CHAMBERLAIN MODELS
140 150 240 350 450 550 5100 6200 7200 7220 700WHC 710 WHC 1000 1100 1200 2000 2100 2200 4000 4100 4200 PD610 PD612K PD 210 7420










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