Parts for CT21A5A — Whirlpool Refrigerator

We found 11 parts confirmed to fit the Whirlpool Refrigerator CT21A5A.

Compatibility table

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 CT21A5A: WP61002046 (Defrost Heater), 61001983 (Refrigerator Overload), 61001884 (Refrigerator Water Valve), 139001 (Refrigerator UV Dye Dryer), 951021 (Stripper, Ic).

Door and drum seals

Symptom: A door that won't stay sealed, causing warm spots inside or the compressor running longer than it should.

Check: Close the door on a strip of paper and pull it out; if it slides free with little resistance, the gasket has lost its grip and should be checked against your model's part number.

Parts in this group on CT21A5A: WP61004009 (Freezer Door Gasket), WP61004010 (Fresh Food Door 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 CT21A5A: 40001735 (Refrigerator Screw), 951031 (Support Module).

Controls, timers and wiring

Symptom: The control board or display isn't responding, temperature settings won't change, or the unit won't power on 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 CT21A5A: 682333 (Refrigerator Defrost Timer).

Interior lighting

Symptom: The interior light doesn't turn on when the door opens.

Check: Confirm power is reaching the socket, then check the door-activated light switch before assuming the bulb itself is at fault.

Parts in this group on CT21A5A: 669871 (Light Switch).

Before you buy

Match CT21A5A 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 refrigerators, the model and serial plate sits inside on a side wall or behind the bottom grille. 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 Refrigerator models

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

• CT21A5Q — 12 parts
• CT21A5W — 11 parts
• CT21A6FA — 10 parts
• CT21A6FQ — 11 parts
• CT21A6FW — 10 parts
• CT19Y5FW — 8 parts
• CT19Y5FA — 8 parts
• CT19Y4W — 7 parts
• CT19Y4FW — 9 parts
• CT19Y4FA — 9 parts

Still not sure?

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