Parts for 042Q3RC — Nordyne Air Conditioner

We found 20 parts confirmed to fit the Nordyne Air Conditioner 042Q3RC.

Compatibility table

All 20 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
103013453001Cabinet MainThis model only$15.99 · Amazon
155577300Home Electronics Connection CordThis model only$22.31 · Amazon
04605974Knob On OffThis model only$5.01 · Amazon
3360452LeadThis model only$4.23 · Amazon
RTRNA130WREOTransformerThis model only$99.99 · Amazon
1229402SFitting2 models$42.36 · Amazon
621939Evaporator Motor9 models$277.68 · Amazon
621869Air Conditioner Blower Relay12 models$29.60 · Amazon
621931Air Conditioner Blower Relay12 models$59.36 · Amazon
621721Fan Motor14 models$195.58 · Amazon
663581Distributor15 models$38.14 · Amazon
667037Blower Wheel16 models$92.70 · Amazon
626488Thermostat16 models$21.40 · Amazon
663394Connector22 models$21.99 · Amazon
669187Drain Pan23 models$45.64 · Amazon
626520Toro Adjustment Handle27 models$37.92 · Amazon
621435Capacitor41 models$98.90 · Amazon
5304474928Room Air Conditioner Fan Motor Capacitor41 models$137.65 · Amazon
WD26X10015Dishwasher Pump and Motor Assembly45 models$361.15 · Amazon
5900AR1173ARoom Air Conditioner Condenser Fan Blade86 models$27.10 · Amazon

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 042Q3RC: 103013453001 (Cabinet Main), 04605974 (Knob On Off), 1229402S (Fitting), 663394 (Connector), 669187 (Drain Pan), 626520 (Toro Adjustment Handle).

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 042Q3RC: 155577300 (Home Electronics Connection Cord), 3360452 (Lead), RTRNA130WREO (Transformer), 621939 (Evaporator Motor), 621869 (Air Conditioner Blower Relay), 621931 (Air Conditioner Blower Relay), 621721 (Fan Motor), 663581 (Distributor), 667037 (Blower Wheel), WD26X10015 (Dishwasher Pump and Motor Assembly), 5900AR1173A (Room Air Conditioner Condenser Fan Blade).

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 042Q3RC: 626488 (Thermostat).

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 042Q3RC: 621435 (Capacitor), 5304474928 (Room Air Conditioner Fan Motor Capacitor).

Before you buy

Match 042Q3RC 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 Nordyne Air Conditioner models

These model numbers sort next to this one in the catalog and are usually the same product family.

Other air conditioner 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.