LDFN4542D (00) LG Dishwasher - Overview

Sections of the LDFN4542D

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Dishwasher Holder – Part Number: MEG64438801
Dishwasher Holder
★★★★★
★★★★★
(4)
PartSelect #: PS12081829
Manufacturer #: MEG64438801
This gray mounting bracket is designed to securely hold the dish rack in place inside your dishwasher during operation. Measuring 1 inch by 1 inch, it ensures stability and helps prevent the rack from...
$17.44
  In Stock
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Dishwasher Roller Assembly – Part Number: 4581DD3003C
Dishwasher Roller Assembly
★★★★★
★★★★★
(8)
PartSelect #: PS12075858
Manufacturer #: 4581DD3003C
The dishwasher roller assembly connects to the dishrack, and is located in the lower level of the dishwasher. It allows the dishrack to easily slide in and out. If the lower rack keeps falling off the...
$17.44
  In Stock
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Dishwasher Holder – Part Number: MEG64438901
Dishwasher Holder
★★★★★
★★★★★
(6)
PartSelect #: PS12081830
Manufacturer #: MEG64438901
$17.44
  In Stock
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Gasket – Part Number: 3920DD3005H
Gasket
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★★★★★
(5)
PartSelect #: PS17267570
Manufacturer #: 3920DD3005H
If your dishwasher is leaking or not cleaning as well as it used to, the door gasket might be the culprit. This flexible rubber seal fits around the tub and keeps water and steam inside during each cy...
$82.48
  In Stock
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Diverter Motor - 120V 60Hz – Part Number: 4681ED3001D
Diverter Motor - 120V 60Hz
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(9)
PartSelect #: PS3579323
Manufacturer #: 4681ED3001D
$65.61
  In Stock
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GASKET – Part Number: MDS65210402
GASKET
★★★★★
★★★★★
(1)
PartSelect #: PS12081631
Manufacturer #: MDS65210402
Does your dishwasher leak or isn't functioning like it used to? Don't fret ? we have a solution for you. Introducing the LG Tub Gasket, a superior tool designed specifically for your LG dishwasher tha...
$80.13
  Special Order
Hose Drain Assembly – Part Number: AEM74333104
Hose Drain Assembly
★★★★★
★★★★★
(6)
PartSelect #: PS16621806
Manufacturer #: AEM74333104
This drain hose assembly is designed for use with select LG washing machines and includes both the flexible rubber hose and plastic connectors. It efficiently channels used water from the washer tub t...
$97.49
  In Stock
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Dishwasher Water Inlet Valve – Part Number: 5221DD1001E
Dishwasher Water Inlet Valve
★★★★★
★★★★★
(1)
PartSelect #: PS8769826
Manufacturer #: 5221DD1001E
This part is the replacement inlet valve for your dishwasher. It is approximately 4-1/2 inches by 3-1/2 inches. The water inlet valve in your dishwasher connects to the water source and solenoid wire...
$125.86
  In Stock
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NOZZLE ASSEMBLY – Part Number: AGB73932401
NOZZLE ASSEMBLY
★★★★★
★★★★★
(1)
PartSelect #: PS12078485
Manufacturer #: AGB73932401
This genuine OEM lower spray arm is a key component in LG dishwashers, featuring multiple rotating arms with high-pressure jets that distribute water evenly throughout the tub for thorough cleaning. D...
$130.40
  Special Order
Control Panel – Part Number: AGL75172632
Control Panel
★★★★★
★★★★★
(1)
PartSelect #: PS16621809
Manufacturer #: AGL75172632
This genuine OEM Control Panel Assembly fits select LG dishwashers, housing the buttons and display for managing cycles. Verify compatibility and unplug the appliance before installation.
$368.03
  In Stock
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Circulation Pump – Part Number: ABT72989206
Circulation Pump
★★★★★
★★★★★
(2)
PartSelect #: PS12579574
Manufacturer #: ABT72989206
This pump casing assembly is designed for use in select LG dishwasher models and houses several key components responsible for water circulation during wash and drain cycles. It includes the motor, wh...
$462.38
  In Stock
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GUIDE ASSEMBLY – Part Number: AEC74357401
GUIDE ASSEMBLY
PartSelect #: PS12078212
Manufacturer #: AEC74357401
If your dishwasher isn't performing like it used to, this genuine LG Guide Assembly could be the solution you need. This essential part holds the spray arm steady, fostering a strong link to the water...
$80.21
  In Stock
Order within the next 8 hrs and your part ships today!

Questions And Answers for LDFN4542D

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3 questions answered by our experts.
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Dianne
October 23, 2024
Don t start service guy says needs touch control board with wire harness and main board
For model number LDFN4542D
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Hi Dianne, Thank you for your question. The part number for the electronic control board assembly is PS16662079. The part number for the touchpad and control panel assembly is PS16621809. We hope this helps!
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Craig
January 2, 2025
motor is running after the cycle is complete. it shuts off when I open the door.
For model number LDFN4542D
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Hi Craig, Thank you for your question. If the dishwasher drain pump motor continues to run after the cycle is complete, water has leaked into the base pan under the dishwasher and you will need to remove the dishwasher from the cabinet and tip it forward 45 degrees to drain the water. It will also continue to run if the drain is clogged or there are too many suds in the dishwasher. We hope this helps!
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Bret
February 12, 2025
Will not drain after drain hose replacement. Possibly drain pump?
For model number LDFN4542D
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Hello Bret, thank you for getting in touch. We would recommend making sure that you have installed the compatible drain hose correctly. If this is not the problem, then you may need to check the drain pump, part number PS12076726, to solve the problem. A malfunctioning drain pump can most probably cause this issue. We hope this helps!
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Common Symptoms of the LDFN4542D

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Leaking
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Not cleaning dishes properly
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Noisy
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Not draining
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Will Not Start
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Will not fill with water
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Loud noise when running - the infamous bad drive motor
Replacing this pump is pretty easy. Disconnect the power and drain hose, and pull your dishwasher out from the counter. Lay it on its side on a towel. There WILL be spillage. Disconnecting the pump is simple. There are a couple hoses, one single wire connection (the thermistor) and one multi-wire plug. The pump is held in place by a pair of thick rubber holders which can be pulled off by hand. That's it!

After removing the pump, I disassembled it to find out why these fail so soon. It's a very poor design. I found that the nose of the electric motor, where the bearings are located, sits in a plastic cup formed by the top of the pump body. Any leakage from the pump around the motor shaft will be held in place against the motor bearing. It has no place to go. This causes rusting of the bearing. I expect I'll be replacing this one in a few years. :(

But kudos to PartsSelect for getting the right pump assembly for me, after getting the wrong one from another supplier!
Parts Used:
Circulation Pump
  • Mark from TEHACHAPI, CA
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
29 of 33 people found this instruction helpful.
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Control Panel lights started flashing like a lightswitch rave, dishwasher stopped working
This is apparently a widely known issue for LG, and since their call center was closed due to Coronavirus, I had no luck getting them to cover the repair. Not wanting to wait weeks of months for them to get off their duffs, I ordered the part and unscrewed the six screws holding the control panel on and unplugged the old part, plugged in the new part, and replaced the screws.

Works great now.
Parts Used:
Control Panel
  • Mike from GAHANNA, OH
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
14 of 16 people found this instruction helpful.
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Dishwasher leaking; got AE error almost every other wash
The inside gasket deteriorates over time - However replacement is easy. the main thing you have to remember is after you remove the old gasket, install the new one starting at the middle top of the tub and work your way down both sides. Also, don't push the gasket all the way in...only enough to hold in place. When you close the door the gasket will form a better seal around the door.
Parts Used:
Gasket
  • Bruce from Katy, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
12 of 19 people found this instruction helpful.
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