LG LDF7551ST parts
Last checked October 30, 2026
The LG LDF7551ST (dishwasher) uses these genuine parts, as listed on LG Parts:
- Dishwasher pump: AJH72949004, ABT72909202, MBN61986201, AER72929001
- Dishwasher rack or rack part: 3750DD2002B
- Dishwasher filter: MDJ62185801
- Dishwasher spray arm: AGB73092801, 4370ED3006A
- Dishwasher door gasket: 4986DD3001A, ADX73770601
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Dishwasher pump
Circulation pumps spray water through the arms; drain pumps empty the tub. Match the part number on your old pump.
AJH72949004
Dishwasher pump
Fits 18 listed models
ABT72909202
Dishwasher pump
Fits 18 listed models
MBN61986201
Dishwasher pump
Fits 19 listed models
AER72929001
Dishwasher pump
Fits 20 listed models
More than one part is listed for this model. Production runs can differ, so match the number on your current part.
Dishwasher rack or rack part
Upper and lower racks plus the rollers and wheels they ride on.
Dishwasher filter
Traps food particles so they are not sprayed back onto dishes.
Dishwasher spray arm
Rotating arms that spray wash water onto the dishes.
AGB73092801
Dishwasher spray arm
Fits 18 listed models
4370ED3006A
Dishwasher spray arm
Fits 92 listed models
More than one part is listed for this model. Production runs can differ, so match the number on your current part.
Dishwasher door gasket
The seal around the tub or door that stops leaks.
4986DD3001A
Dishwasher door gasket
Fits 92 listed models
ADX73770601
Dishwasher door gasket
Fits 15 listed models
More than one part is listed for this model. Production runs can differ, so match the number on your current part.
Turn off power to the dishwasher at the breaker and shut off its water supply before you work on it.
Confirm your model number
On the edge of the inner door or the side of the tub, visible with the door open.
Questions
What dishwasher pump fits the LG LDF7551ST?
LG Parts lists 4 parts: AJH72949004, ABT72909202, MBN61986201, AER72929001. Match the number on your old part.
What dishwasher rack or rack part fits the LG LDF7551ST?
LG Parts lists 3750DD2002B for this model.
What dishwasher filter fits the LG LDF7551ST?
LG Parts lists MDJ62185801 for this model.
What dishwasher spray arm fits the LG LDF7551ST?
LG Parts lists 2 parts: AGB73092801, 4370ED3006A. Match the number on your old part.
What dishwasher door gasket fits the LG LDF7551ST?
LG Parts lists 2 parts: 4986DD3001A, ADX73770601. Match the number on your old part.