Parts for MRT18CSED3 — Universal/Multiflex (Frigidaire) Refrigerator
We found 8 parts confirmed to fit the Universal/Multiflex (Frigidaire) Refrigerator MRT18CSED3.
Same parts list as GRT18DNED3 (Gibson Refrigerator). MRT18CSED3 shares an identical confirmed parts list with GRT18DNED3 (Gibson 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 MRT18CSED3.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| 218846901 | Refrigerator Compressor | 101 models | — |
| 218730606 | Refrigerator Door Gasket (Almond) | 353 models | — |
| 218730605 | Refrigerator Door Gasket (White) | 480 models | — |
| 218721103 | Refrigerator Start Relay | 492 models | — |
| 215267701 | Refrigerator Door Bin Support | 1,434 models | — |
| 218649000 | Refrigerator Fan Blade | 1,656 models | — |
| 215267800 | Refrigerator Timer | 2,269 models | — |
| 5308000815 | Refrigerator Receptacle | 4,028 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.
Cooling system (compressor, condenser, evaporator)
Symptom: The refrigerator or freezer runs warm, the compressor cycles on and off rapidly, or frost builds up heavily inside.
Check: Listen for the compressor and condenser fan actually running, feel the condenser coils for heat, and check the evaporator coil for an ice layer that blocks airflow.
Parts in this group on MRT18CSED3: 218846901 (Refrigerator Compressor).
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 MRT18CSED3: 218730606 (Refrigerator Door Gasket (Almond)), 218730605 (Refrigerator Door Gasket (White)).
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 MRT18CSED3: 218721103 (Refrigerator Start Relay), 218649000 (Refrigerator Fan Blade), 5308000815 (Refrigerator Receptacle).
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 MRT18CSED3: 215267701 (Refrigerator Door Bin Support).
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 MRT18CSED3: 215267800 (Refrigerator Timer).
Before you buy
Match MRT18CSED3 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 Universal/Multiflex (Frigidaire) Refrigerator models
These model numbers sort next to this one in the catalog and are usually the same product family.
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.