Parts for DMR77LHWXAA00 — Samsung Dishwasher
We found 10 parts confirmed to fit the Samsung Dishwasher DMR77LHWXAA00.
Same parts list as DMT300RFSXAA (Samsung Dishwasher). DMR77LHWXAA00 shares an identical confirmed parts list with DMT300RFSXAA (Samsung Dishwasher). That page is the canonical version of this parts list — use it if you want the primary reference, or stay here since the list below is exactly the same for DMR77LHWXAA00.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| DD6200052A | Dishwasher Filter Screen Seal | 4 models | — |
| DD6700040A | Dishwasher Tub Screw Cap | 9 models | — |
| DD6300073A | Dishwasher Case Break Cover | 24 models | — |
| DD6100207A | Dishwasher Door Hinge Arm Link Guide | 24 models | — |
| DD5901001A | Dishwasher Detergent Dispenser Assembly | 27 models | — |
| DD6200050A | Dishwasher Sump Gasket | 30 models | — |
| DD6200068A | Dishwasher Water Manifold Nozzle Duct Seal | 34 models | — |
| DD6200043A | Dishwasher Tub Gasket | 39 models | — |
| DD6600023A | Dishwasher Dishrack Roller, Lower | 52 models | — |
| DD6300072A | Dishwasher Vent Seal | 96 models | — |
Prices shown are an informational reference range only, not an offer or an Amazon price — RepairKitHub does not sell parts directly. Each part links to an Amazon search so you can compare current listings yourself.
Common failure areas on this model
The confirmed parts above group into a handful of failure areas. Here is what each points to and how to check it before you order anything.
Filtration and spray system
Symptom: Dishes come out with food residue, spots, or a cloudy film, or you notice leftover debris in the tub bottom after a cycle.
Check: Remove and rinse the filter assembly under the tub, and check that the spray arm spins freely and its jets aren't clogged -- these are the first things to check before assuming a pump has failed.
Parts in this group on DMR77LHW/XAA-00: DD6200052A (Dishwasher Filter Screen Seal), DD6200050A (Dishwasher Sump Gasket).
Storage, trim and cosmetic hardware
Symptom: A cracked shelf, broken door bin, worn hinge, or missing trim piece -- cosmetic and storage wear rather than a functional breakdown.
Check: Match the physical dimensions and mounting tabs of the old part before ordering; these pieces are often model-specific even between visually similar models.
Parts in this group on DMR77LHW/XAA-00: DD6700040A (Dishwasher Tub Screw Cap), DD6300073A (Dishwasher Case Break Cover), DD6100207A (Dishwasher Door Hinge Arm Link Guide).
General hardware and mounting parts
Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.
Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.
Parts in this group on DMR77LHW/XAA-00: DD5901001A (Dishwasher Detergent Dispenser Assembly), DD6200068A (Dishwasher Water Manifold Nozzle Duct Seal), DD6300072A (Dishwasher Vent Seal).
Door and drum seals
Symptom: Water leaking out from around the door during or after a cycle.
Check: Check the door gasket for tears, flattening, or a section pulled loose from its channel, and confirm it seats evenly all the way around when the door is closed.
Parts in this group on DMR77LHW/XAA-00: DD6200043A (Dishwasher Tub Gasket).
Dishrack hardware (rollers, wheels and tines)
Symptom: A dish rack that binds, drags, or comes off its rail track when you pull it in or out, or a rack with a cracked, loose, or missing wheel or tine.
Check: Pull the rack fully out and check each wheel or roller for a crack or a missing axle pin, and check that tines aren't snapped off or pushed out of alignment along the row.
Parts in this group on DMR77LHW/XAA-00: DD6600023A (Dishwasher Dishrack Roller, Lower).
Before you buy
Match DMR77LHWXAA00 exactly against the model and serial plate on the appliance itself before ordering anything — a single mismatched character can point to a different production run with different parts. Then check the part number printed or stamped on the part you are replacing against the part numbers in the table above; the printed number is the most reliable way to confirm fitment when a model has gone through multiple production runs. RepairKitHub does not sell parts directly — every part link above routes to an Amazon search for that part number so you can compare current listings and sellers yourself.
How to confirm this is your model
On most dishwashers, the model and serial plate sits on the edge of the door or the tub rim. Match every character exactly, including letters and dashes at the end — appliance model numbers often have similar prefixes but different suffixes for different production runs.
Neighbouring Samsung Dishwasher models
These model numbers sort next to this one in the catalog and are usually the same product family.
Still not sure?
Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.