Parts for KUDS21MS1 — Microwave
We found 5 parts confirmed to fit the Microwave KUDS21MS1.
Same parts list as KUDS21CS1 (Microwave). KUDS21MS1 shares an identical confirmed parts list with KUDS21CS1 (Microwave). 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 KUDS21MS1.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| 4162629 | Spring | 32 models | — |
| 4162033 | Hose Clamp | 129 models | — |
| 4162322 | Dishwasher Dishrack Roller, Lower | 151 models | — |
| 4171000 | Dishwasher Water Inlet Valve | 153 models | — |
| 4159184 | Screw | 250 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.
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 KUDS21MS1: 4162629 (Spring), 4159184 (Screw).
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 KUDS21MS1: 4162033 (Hose Clamp).
Drive system (belts, pulleys, motors)
Symptom: A drum or tub that won't turn, a burning-rubber smell, or a loud thump or squeal during a cycle.
Check: With power off, turn the drum or tub by hand -- resistance or grinding points to the motor or a bearing, and a cracked, glazed, or snapped belt is visible once the cabinet is open.
Parts in this group on KUDS21MS1: 4162322 (Dishwasher Dishrack Roller, Lower).
Water inlet and drainage
Symptom: The unit isn't getting water when it should, or isn't draining or pumping it out when it should.
Check: Check the valve or pump for a clog or jammed object, and confirm the hose isn't kinked, restricted, or routed higher than the unit allows.
Parts in this group on KUDS21MS1: 4171000 (Dishwasher Water Inlet Valve).
Before you buy
Match KUDS21MS1 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 microwaves, the model and serial plate sits inside the door frame. 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 microwave 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.
Other models with this exact parts list
Each model below is confirmed to share the identical compatible-parts list with this one.
Still not sure?
Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.