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Ldf7751st Parts

Some parts shown may not be for your model. To see parts for your model only, select it from "Matching Model Numbers" list on the left.

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Dishwasher Lower Cover Assembly
Genuine Lg part
By: Lg
Part Number: 3551DD2001W

Closes off the bottom of the dishwasher cabinet to protect internal components. Replace if the panel is cracked, missing, or won't stay secured.

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$145.30
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$155.81
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$10.51

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Dishwasher Inlet Hose
Genuine Lg part
By: Lg
Part Number: 5214DD3001A

Routes fresh water into the dishwasher during fill cycles. Replace this hose if cracked, kinked, leaking, or damaged to restore proper water flow.

Do-It-Yourself Stories from Customers like You Mouse ate through rubber hoses   Calvin G. • Auburn , WA • January 26, 2019

Removed hoses ordered replacements from you and replaced them it was great having the exact replacement parts couldn’t find them in any hardware storr Read more

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$24.72
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$29.42
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$4.70

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Dishwasher Leveling Leg Assembly
Genuine Lg part
By: Lg
Part Number: AGM72461901

Replace cracked or worn dishwasher leveling legs. This foot assembly installs at the base corners to restore proper height adjustment and stability.

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$24.39
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$29.02
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$4.63

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Dishwasher Cycle Selector Cam Switch
Genuine Lg part
By: Lg
Part Number: MBJ61901901

If your dishwasher won't advance through cycles or gets stuck mid-cycle, this cam switch controls cycle sequencing. Restores proper cycle selection.

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$7.95
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$9.38
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$1.43

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Dishwasher Door Hinge Bracket
Genuine Lg part
By: Lg
Part Number: 4810DD1001A

Secures the dishwasher door to the cabinet and provides a stable pivot point. Replace if your bracket is cracked, broken, or missing to restore alignment.

Do-It-Yourself Stories from Customers like You LG dishwasher leaking from front left corner common problem   Ed M. • Palm Bay , FL • September 14, 2019

Replaced drying fan assembly which had slightly newer design. Seems to have fixed problem very well. No leaks now! Read more

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$24.72
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$29.42
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Parts Assembly (Replacement)
Genuine Lg part
By: Lg
Part Number: AGM72573101

This parts assembly is a direct-replacement assembly used to restore the original mechanical/electrical components it contains so the appliance can operate as designed. It replaces a worn or damaged assembly to help resolve related failures. What it does

  • Replaces the factory assembly that houses the appliance's internal components and connections.
  • Restores proper component alignment and secure mounting to prevent intermittent faults.
  • Addresses symptoms such as failure to operate, unusual noises, loose or damaged internal parts, or intermittent electrical/connectivity issues.
  • Works as the factory-specified repair for units showing wear or damage in the affected assembly area.
What's included One parts assembly Install notes
  • Disconnect power (unplug or shut off breaker) before servicing to avoid shock or injury.
  • Handle internal components carefully to avoid damage to wiring, connectors, or sensors.
  • Follow the OEM service manual and wiring diagrams for correct installation and routing.

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$31.95
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$37.70
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$5.75

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Dishwasher Mounting Screws Assembly
Genuine Lg part
By: Lg
Part Number: AGM72461801

Mounting screws assembly for dishwasher panels and internal components. Replace lost, stripped, or missing hardware during repairs or installations.

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$30.20
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$33.22
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$3.02

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Dishwasher Handle
Genuine Lg part
By: Lg
Part Number: MEB41413201

Fix a loose, broken, or wobbly dishwasher door with this handle. Simple installation using basic tools. Compatible with multiple models.

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$195.73
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$234.88
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$39.15

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Dishwasher Nozzle Guide
Genuine Lg part
By: Lg
Part Number: 4974DD3001B

Positions and supports the spray nozzle on the rack, aligning it with the water feed port. Replace if cracked, broken, or causing spray arm misalignment.

Do-It-Yourself Stories from Customers like You Top spray arm not spinning in lg dishwasher   Mark F. • San Carlos , CA • February 02, 2020

I replaced the upper nozzle guide, nozzle shaft and upper spray arm. I also replaced the pump gasket for good measure. Top rack dishes had not been cleaning properly. I first removed the filter assembly to inspect the main pump from above. It was clogged but after cleaning and reassembly I observed that while middle and bottom spray arms were changing position, the upper spray arm was not. I confirmed that water was flowing through the upper spray arm by placing some empty yogurt pots on a... Read more

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$9.13
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$10.04
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$0.91

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Packing (Seal)
Genuine Lg part
By: Lg
Part Number: MFZ62861801

This packing seal provides a replacement sealing surface to help maintain an airtight, watertight closure and reduce leaks or drafts around the appliance opening. It restores the original sealing function for reliable performance. What it does

  • Replaces worn or damaged packing to re-establish a secure seal
  • Helps prevent water leaks and air infiltration at the door or panel seam
  • Reduces moisture buildup and helps maintain proper internal temperatures
  • Commonly used when a visible tear, deformation, or hardening is present
What's included
  • One packing seal
Install notes
  • Inspect mating surfaces and clean thoroughly before installing the new packing
  • Align the packing evenly and seat it fully into the channel or groove
  • Use gentle, even pressure to avoid stretching or tearing the seal

Do-It-Yourself Stories from Customers like You Water leak   John M. • Plainfield , IL • December 22, 2025

Replaced the door gasket. Read more

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$9.13
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$10.04
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$0.91

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Safety Switch Assembly (Door Safety Switch)
Genuine Lg part
By: Lg
Part Number: 6601ER2001A

This safety switch assembly replaces a failed door/interlock switch to restore the appliance's ability to detect and respond to door position, helping ensure cycles only run when the door is closed. Fits as a direct replacement for the original switch assembly. What it does:

  • Detects door/lid position and prevents operation when the door is open
  • Helps stop the motor or heating function if the door is opened mid-cycle
  • Commonly replaces units that show no power to controls or won't start with the door closed
  • Can address intermittent operation or machines that behave as if the door is open
What's included: One safety switch assembly (single complete switch) Install notes:
  • Disconnect power before servicing to avoid shock or injury
  • Replacement requires access to the door/lid area; basic hand tools needed
  • Verify proper wiring orientation and secure connectors before reassembly

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$71.95
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$84.90
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$12.95

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Dishwasher Lower Dish Rack Assembly
Genuine Lg part
By: Lg
Part Number: 3750DD2004B

Lower dish rack assembly for your dishwasher. Replaces a cracked, rusted, warped, or broken lower rack with damaged or missing tines and wheels.

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$17.95
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$21.36
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$3.41

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Dishwasher Rack Guide Assembly
Genuine Lg part
By: Lg
Part Number: 4975ED2005B

Rack guide assembly for dishwashers. Mounts to the side of the tub to help guide dish racks smoothly along the rails. Replace if cracked, broken, or missing.

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$59.74
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$71.09
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$11.35

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Dishwasher Impeller Assembly
Genuine Lg part
By: Lg
Part Number: AER72929001

Fixes poor spray or weak water circulation in your dishwasher. This impeller assembly restores proper water flow. Moderate DIY repair, 30-45 minutes.

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$17.95
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$21.54
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$3.59

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Check Valve (Water Inlet)
Genuine Lg part
By: Lg
Part Number: MJX61952001

This check valve controls one-way water flow to the appliance's dispenser and ice-making system, preventing backflow and helping maintain proper water delivery. Replaces worn or failed valves to restore normal water operation. What it does:

  • Allows water to flow in one direction to the dispenser/ice maker while preventing backflow
  • Helps stop intermittent dispensing, weak water flow, or water backing into supply lines
  • Prevents contamination from reverse flow when the system is idle
  • Works as a simple, direct-flow component in the water delivery path
What's included:
  • One check valve
Install notes:
  • Turn off water supply and unplug the appliance before beginning work
  • Observe original valve orientation; install the replacement in the same direction
  • Tighten fittings securely and check all connections for leaks after restoring water

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$12.74
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$15.03
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$2.29

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Dishwasher Protective Cover
Genuine Lg part
By: Lg
Part Number: 3550DD3003A

Protective cover for dishwasher. Shields internal components from damage during operation. Replace if cracked, broken, or missing to maintain protection.

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$7.95
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$9.46
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$1.51

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