Parts for KUIO18NNZS2 — Whirlpool Ice Maker

We found 13 parts confirmed to fit the Whirlpool Ice Maker KUIO18NNZS2.

Compatibility table

All 13 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
W11614101Water Pan26 models$45.29
W10747426Ice Maker Recirculation Pump43 models
W10217918Ice Maker Water Inlet Valve46 models
WPW10489125Drain Pump47 models$85.28
W11325175Pump47 models$112.97
W11542867PUMP52 models$81.39–$154.48
WPW10511923Ice Maker Bin Temperature Sensor54 models$28.93–$54.24
W10919199Grid Cutter Assembly56 models$100.52–$157.37
W10881366Water Inlet Valve with Quick Connections - 120V 60Hz59 models$49.70–$91.08
489420SCREW65 models
W10485960Ice Maker Electronic Control Board69 models
W10489125Ice Maker Drain Pump86 models
W10511923Thermistor109 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 KUIO18NNZS2: W11614101 (Water Pan), WPW10511923 (Ice Maker Bin Temperature Sensor), 489420 (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 KUIO18NNZS2: W10747426 (Ice Maker Recirculation Pump), W11325175 (Pump), W11542867 (PUMP), W10919199 (Grid Cutter Assembly).

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 KUIO18NNZS2: W10217918 (Ice Maker Water Inlet Valve), WPW10489125 (Drain Pump), W10881366 (Water Inlet Valve with Quick Connections - 120V 60Hz), W10489125 (Ice Maker Drain Pump).

Controls, timers and wiring

Symptom: A cycle that doesn't advance, an unresponsive display, or the unit not starting at all.

Check: Look for burn marks or a burnt smell near the board or terminals, and check whether buttons and knobs respond -- a unit that powers on but won't cycle often traces back to this group.

Parts in this group on KUIO18NNZS2: W10485960 (Ice Maker Electronic Control Board).

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 KUIO18NNZS2: W10511923 (Thermistor).

Before you buy

Match KUIO18NNZS2 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

Check inside a door opening, on a back or side panel, or behind a removable panel or drawer for a label printed with the model and serial number. 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 Whirlpool Ice Maker 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.