Parts for MDB4621AWS0 — Washer

We found 8 parts confirmed to fit the Washer MDB4621AWS0.

Same parts list as MDB4621AWB0 (Washer). MDB4621AWS0 shares an identical confirmed parts list with MDB4621AWB0 (Washer). 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 MDB4621AWS0.

Compatibility table

All 8 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
8268848Adjuster56 models
3376359Fuse274 models
8283345Valve-inlt581 models
8565920Stop1,019 models
3376927Dishwasher Door Seal1,203 models
717273Dishwasher Heating Element Rubber Washer2,130 models
661566Dishwasher Thermostat3,785 models
4396277BARRIER4,961 models$22.17–$27.36

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.

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 MDB4621AWS0: 8268848 (Adjuster), 3376359 (Fuse), 8283345 (Valve-inlt), 8565920 (Stop), 4396277 (BARRIER).

Door and drum seals

Symptom: A door boot or gasket that's torn or losing its seal, letting water leak out during the wash or spin cycle.

Check: Check the door boot or gasket for tears, especially near the drain hole at the bottom, and confirm it isn't pinched or twisted where it clamps to the drum.

Parts in this group on MDB4621AWS0: 3376927 (Dishwasher Door Seal).

Heat control (thermostats, fuses, heating element)

Symptom: The appliance runs but heats or cools inconsistently, or shuts off partway through a cycle.

Check: With the appliance unplugged, check continuity across the part with a multimeter -- no continuity means it has failed.

Parts in this group on MDB4621AWS0: 717273 (Dishwasher Heating Element Rubber Washer), 661566 (Dishwasher Thermostat).

Before you buy

Match MDB4621AWS0 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 washers, the model and serial plate sits under the lid or on the back panel. 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.

Other washer models

These model numbers sort close to this one in the catalog for the same appliance type. The brand is not confirmed to match, but the model number range is close.

Still not sure?

Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.