LG Microwave Vent Damper 4900W1A001B
LG Microwave Vent Damper 4900W1A001B

LG Microwave oven vent damper door 4900W1A001B

$2.99
$22.88
In stock and ready for shipping
Buying Options: Certified Pre-Owned — Item #0054

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MICROWAVE EXHAUST DOES NOT VENT CORRECTLY

LG Microwave oven vent damper door 4900W1A001B, Fixes Microwave exhaust does not vent correctly

Metal vent damper door that closes the microwave exhaust duct when the fan is off and opens to allow exhaust airflow when the fan operates.

Part 4900W1A001BLG

Metal vent damper door that closes the microwave exhaust duct when the fan is off and opens to allow exhaust airflow when the fan operates.

Is This the Right Part?

Part Number4900W1A001B
ManufacturerLG
Appliance TypeMicrowave
Part TypeMicrowave oven vent damper door

Common Symptoms

  • Poor or restricted microwave exhaust ventilation
  • Damper does not open or close properly
  • Outside air enters through the exhaust duct when the fan is off

Check Before Replacing

  • With power disconnected, visually inspect the damper for bending, damage, or obstruction.
  • Confirm that the damper is positioned over the exhaust duct and can move freely.
  • Compare the replacement part with the original for matching shape and dimensions before installation.

Pro Tip

Verify the appliance model and the damper orientation before ordering; similar-looking microwave dampers may differ in size or shape.

Part Details

Part Number4900W1A001B
Part TypeMicrowave oven vent damper door
ManufacturerLG
Appliance TypeMicrowave
Primary FunctionControls airflow through the microwave exhaust duct and helps prevent outside air from entering when the fan is off.

Key Features

  • Genuine LG OEM part
  • Metal vent damper door
  • Approximately 10 inches long by 3 inches wide
  • Fits over the microwave exhaust duct

Installation Notes

  • Disconnect electrical power before installation.
  • Wear work gloves when handling the damper and microwave cabinet.
  • Follow the appliance-specific service documentation for removal and installation.

Verified Compatible Models

62622200, 70180009401, 72162622200, 72162624200, 72162629200, 72162642200, 72162643200, 72162644200, 72162649200, 72162752100, 72162752200, 72162759200, 72162772100, LMHM2017ST/00, LMHM2017ST/01, 85000, 85012, 85022, 85023, 85029, 85052, 85053, 85059, 85410, 85413, 85419, 85450, 85453, 85459, 85470

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.

Verified Compatible Models

62622200, 70180009401, 721.80839500, 721.85029010, 72162622200, 72162624200, 72162629200, 72162642200, 72162643200, 72162644200, 72162649200, 72162752100, 72162752200, 72162759200, 72162772100, 72163654300, 72180019401, 72180032700, 72180039700, 72180419500, 72185033111, 72185063010, 7218815180, 7218915080, 7218915081, 7218915180, 7218935090, 7218935590, 7218965380, 7218965580, 7218965581, 7218975590, 72189940490, 80002401, 80049, 85000, 85012, 85022, 85023, 85029, 85052, 85053, 85059, 85410, 85413, 85419, 85450, 85453, 85459, 85470, AMV1162AAS, EXV1511B, EXV1511BS, EXV1511W, LMH2016SB, LMH2016SW, LMH2235ST, LMHM2017SB, LMHM2017ST/00, LMHM2017ST/01, LMHM2017SW, LMHM2237ST, LMV1314B, LMV1314SV, LMV1314W, LMV1625B, LMV1625W, LMV1630BB, LMV1630ST, LMV1630WW, LMV1635SB, LMV1683SW, LMV1814SB, LMV2053SW, LSMC3086SS, MV-1330 W/B, MV1401W, MV1526W, MVEF1323F, MVEF1337F.CRSELGA

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.

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101 Trillium Dr
Kitchener, Ontario N2E 1W8
Phone
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LG Microwave Idle Bracket 4810W1A151A

LG Microwave air duct bracket / damper exhaust bracket 4810W1A151A, Replaces 3B72144A

$27.79 $4.99

All brand names are the property of their respective owners and are used for compatibility reference only.

3B71432A, 4900W1A001A

85000, 85012, 85022, 85023, 85029, 85052, 85053, 85059, 85410, 85413, 85419, 85450, 85453, 85459, 85470, 62622200, 70180009401, 72162622200, 72162624200, 72162629200, 72162642200, 72162643200, 72162644200, 72162649200, 72162752100, 72162752200, 72162759200, 72162772100, LMHM2017ST/00, LMHM2017ST/01, 721.80839500, 721.85029010, 72163654300, 72180019401, 72180032700, 72180039700, 72180419500, 72185033111, 72185063010, 7218815180, 7218915080, 7218915081, 7218915180, 7218935090, 7218935590, 7218965380, 7218965580, 7218965581, 7218975590, 72189940490, 80002401, 80049, AMV1162AAS, EXV1511B, EXV1511BS, EXV1511W, LMH2016SB, LMH2016SW, LMH2235ST, LMHM2017SB, LMHM2017SW, LMHM2237ST, LMV1314B, LMV1314SV, LMV1314W, LMV1625B, LMV1625W, LMV1630BB, LMV1630ST, LMV1630WW, LMV1635SB, LMV1683SW, LMV1814SB, LMV2053SW, LSMC3086SS, MV-1330 W/B, MV1401W, MV1526W, MVEF1323F, MVEF1337F.CRSELGA