LDF7551WH LG Dishwasher - Overview

Diagrams for LDF7551WH

See every part. Know exactly what you need.

Enter a part description. DIY Heroes keep it simple, eg. "belt" or "pump".

Search filter:
Clear Filter
Your search term must have 3 or more characters.
Hinge Cable – Part Number: 4933DD3001B
$26.95
In Stock
Hinge Cable
★★★★★
★★★★★
(18)
Part #4933DD3001B
The door hinge cable works in conjunction with the dishwasher door by connecting the door hinge to the door spring and helping to support and balance the weight of the door as you open and close it. If your dishwasher door isn’t closing properly you will need to replace this part. This part measures approximately 12” and is black and white in color. This is a genuine OEM part.
Dishwasher Roller Assembly – Part Number: 4581DD3003C
$13.15
In Stock
Dishwasher Roller Assembly
★★★★★
★★★★★
(8)
Part #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 track in your dishwasher, makes noises, the door will not close, or the dishes are not getting clean, then it is best to replace it for more security. A flat blade screw driver is the only tool needed for this installation. Open the lower dishwasher rack and remove retaining tabs from both ends of the rack and slide it out. Locate the older roll assembly, remove it and replace the rollers. Remember to put the tabs on each side back before sliding it back in. Make sure the dishwasher is off before starting this installation project.
Dishwasher Hinge Spring – Part Number: 4970ED4004G
$36.25
In Stock
Gasket – Part Number: 3920DD3005H
$69.25
In Stock
Gasket
★★★★★
★★★★★
(6)
Part #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 cycle. It’s tough enough to handle heat and wear, and replacing it can fix common problems like water on the floor or poor wash results. Installation is simple—just press it into the groove around the door and you’re good to go.
Diverter Motor - 120V 60Hz – Part Number: 4681ED3001D
$51.65
In Stock
Drain Pump Assembly – Part Number: ABQ73503004
$139.28
In Stock
Drain Pump Assembly
★★★★★
★★★★★
(15)
Part #ABQ73503004
This drain pump assembly is a genuine OEM replacement part for your dishwasher. In order to complete this repair you will need a Phillips screwdriver, pliers, and a socket. You will need to pull the dishwasher out from the cabinet and lay it on its back in order to access through the bottom and replace the drain pump.
Dishwasher Drain Hose – Part Number: AEM69493808
No Longer Available
Dishwasher Drain Hose
★★★★★
★★★★★
(9)
Part #AEM69493808
This flexible, corrugated drain hose assembly is designed to efficiently channel wastewater from your dishwasher to the household drainage system. Installed at the rear of the unit, it connects the dishwasher’s pump to either the sink drain or garbage disposal. A damaged or punctured hose can lead to water pooling beneath the appliance or standing water inside the tub. This replacement hose is sold separately from the drain pump and should be installed according to your dishwasher’s model-specific instructions to ensure proper fit and function.
Dishwasher Water Inlet Valve – Part Number: 5221DD1001E
$80.25
In Stock
Dishwasher Water Inlet Valve
★★★★★
★★★★★
(1)
Part #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 wires, and ensures the tub has the right amount of water entering it. If your dishwasher continues to fill after it is full, or if it fills slowly, you may need to replace this valve. Another indication that your valve is damaged and will need to be replaced, is if you notice it is leaking when the dishwasher fills up. Before you begin this repair, be sure to disconnect the water and power sources from your washer. This part is sold individually and is an authentic OEM part.
Dishwasher Locker Assembly – Part Number: 4027ED3002J
$64.85
In Stock
Dishwasher Locker Assembly
★★★★★
★★★★★
(2)
Part #4027ED3002J
If your dishwasher won’t start or is leaking during a cycle, the door latch might be the problem. This genuine LG latch assembly keeps the door closed tight, helping prevent water from escaping and making sure the machine runs properly. It’s located at the top of the door and is easy to replace—just unplug the dishwasher, turn off the water, and wear gloves. This original part is made to fit specific LG models, so be sure to check your model number before ordering. Once installed, your dishwasher should seal properly and start without issues.
Basket Assembly – Part Number: 5005DD1001B
$67.05
In Stock
Tub Seal – Part Number: 3920DD3002B
No Longer Available
Tub Seal
★★★★★
★★★★★
(1)
Part #3920DD3002B
Stop leaks and cut down on noise with this dishwasher door seal. It keeps water and heat inside the appliance while helping reduce sound during the wash cycle. If you notice water on the floor, odors escaping, or the door not sealing properly, replacing the gasket can solve the problem. Installing it is easy—just remove the old seal and press the new one into the groove. A quick fix for a quieter, more efficient dishwasher.
Noise Filter Assembly – Part Number: 6201EC1006T
$103.26
In Stock
Noise Filter Assembly
★★★★★
★★★★★
(1)
Part #6201EC1006T
This Noise Filter Assembly reduces electromagnetic noise and shields the control board from power surges, ensuring smooth and reliable operation. It helps minimize vibration and noise during cycles for a quieter experience. For safety, disconnect power before installation.

Common Symptoms of the LDF7551WH

How this model fails, and the parts that fix it.

Watch our pros, then fix it yourself.

See how others fixed this model. Time, tools, difficulty, and steps that lead to victory! View More

Search repair tips from other customers using simple keywords like "replace", "fit", "remove", "inspect". DIY doesn't mean you have to do it alone!

Search filter:
Clear Filter
Your search term must have 3 or more characters.
Broken door spring allows the door to overextend to the floor if not propped.
37 of 45 people found this instruction helpful.
  • Gregory L from INDEPENDENCE, OH
  • Easy
  • 15 - 30 mins
  • Screw drivers
Simple, removed screws securing machine in the cabinet, then pull the unit out of the cabinet space about 10 inches. Springs are accessible within this extension. You need strong hands to extend the springs and attach them. Once attached, push machine back in place and re-install the anchor screws. In my situation, only one spring was bro ken, so the attached side revealed the correct slot to place the hook on the top position, the bottom position has a plastic lead for the spring, and that lead is attached to a rope to the door hinge. Note: Replace BOTH springs, even if only one is broken.
Was this helpful?
Thank you for voting!
Water not draining, causing "0E" number to appear and initiatate dishwasher shutdown.
27 of 29 people found this instruction helpful.
  • Patrick from CHANDLER, AZ
  • Easy
  • 30 - 60 mins
  • Pliers, Screw drivers
According to your site, the part(s), to consider, to resolve the problem were: 1.Motor Assembly DC Pump, OR 2.Drain Pump. I simply selected the drain pump because it was cheaper and because it was making a clicking noise. (The only significant noise that this dishwasher was making) To be safe, I unplugged the unit and turned off the w ater, under the sink. I removed the kick plate and I unscrewed the anchor clips from under the counter and carefully pulled the unit out. I then opened the dishwasher and removed the lower rack. To minimize water clean-up, I took a rag and soaked up the standing water in the bottom until it was nearly dry. I then tipped the dishwasher on it's left side, knowing where the location of the drain pump (front, right), would be in an easier location for me to work. I first unplugged the pumps wiring. Then, with pliers, I was able to disconnect the clips on the short, rubber hoses that hold the pump in alignment.(Use caution: If reusing the same rubber hose(s) on the new pump, it will be easier if you put them on in the same direction as they were take off) Then I removed the rubber supports off their hooks, that allow the pump to hang from the bottom of the dishwasher. Once the rubber hoses are re-connected on the new pump and placed on to it's former proper alignment, you can re-attach the rubber supports to their hooks. And last, but not least, remember to plug the new pump's wires back in place. Carefully stand up dishwasher and push it slowly back into place. I plugged in the unit and turned on the water. Before I screwed the unit back to the counter and kick plate back on the front, I ran a load and watched for leaks beneath the new pumps area. No leaks. "Easy, Peasy".
Was this helpful?
Thank you for voting!
Dishwasher wouldn’t completely drain
14 of 23 people found this instruction helpful.
  • Robert from VERNAL, UT
  • Really Easy
  • 30 - 60 mins
  • Pliers, Screw drivers, Wrench set
Shut off electrical breaker, Removed bottom cover plate by removing 2 Phillips head screws. I was able to remove the pump without pulling the dishwasher out by removing wiring connection, hose clamps with a pair of pliers, and removed the 2 rubber hangers However I couldn’t reinstall the pump without pulling the dishwasher out. 1.I disco nnected the electrical wiring (breaker was shut off). 2. Shut the water supply off and removed water line at the dishwasher. 3. Disconnected the drain at the sink. 4. Removed the 2 retaining screws 1 on each side that secures the dishwasher in place. 4. Removed the upper and lower racks, Used a shop vac and sucked the water out of the bottom of the dishwasher. 5. Pulled the dishwasher out making sure the drain line came with it. 6. Laid The dishwasher over on the back side to the floor. 7. Reinstalled pump with new hose clamps and hoses that came with the pump. ( it probably would have been easier to remove the pump with the dishwasher pulled out) reinstall the wire connection to the pump (snap in connection), connected the 2 new rubber hangers to pump and connected to the dishwasher . 8. Slide the dishwasher back in place and reconnect water line be sure and use some Teflon tape, reconnect electrical wiring, reconnect drain line, secure dishwasher with screws. Turn water on and check for leaks, turn electrical power back on. I ran the dishwasher to make sure it worked and make sure there weren’t any leaks before I installed the bottom cover plate.
I had an appliance service person say that they wouldn’t work on an LG because they were hard to work on and very difficult to get parts. My experience was just the opposite thanks to partselect. The Dishwasher works like brand new.
Was this helpful?
Thank you for voting!