Parts for 18RB4Z — Whirlpool Refrigerator
We found 6 parts confirmed to fit the Whirlpool Refrigerator 18RB4Z.
Same parts list as 18RA4 (Whirlpool Refrigerator). 18RB4Z shares an identical confirmed parts list with 18RA4 (Whirlpool Refrigerator). 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 18RB4Z.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| WP7212P006 | Door Seal - Top | 30 models | $62.60 |
| 7101P23060 | Lever Screw | 49 models | — |
| 2207F01550 | Strap Seal | 95 models | — |
| 7101P27060 | Hinge Screw | 142 models | — |
| 7101P22160 | Screw, #10-1 | 204 models | — |
| 7101P06460 | Screw | 343 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.
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 18RB-4Z: WP7212P006 (Door Seal - Top).
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 18RB-4Z: 7101P23060 (Lever Screw), 7101P27060 (Hinge Screw), 7101P22160 (Screw, #10-1), 7101P06460 (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 18RB-4Z: 2207F01550 (Strap Seal).
Before you buy
Match 18RB4Z 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.
Still not sure?
Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.