Microwave High-Voltage Transformer 5304479021

Brand: Frigidaire · Appliance: Microwave · Fits: 10 models · Reference price: $249.95

5304479021 is a Frigidaire replacement part (microwave high-voltage transformer) for microwaves. Our fitment data lists 10 models that use it.

When to replace this part

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.

Models that use this part

Part numbers it replaces

The manufacturer lists 5304479021 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

• 5304478954 — Microwave High-Voltage Capacitor
• 5304479019 — Microwave High-Voltage Capacitor

Other parts for model FPMO209RFDY

If you are repairing that appliance, these are the most model-specific parts on file for the same model.

• Cushion 5304503485
• Filter 5304507217
• Main Wiring Harness 5304516269
• Screw 5304502863
• Cushion 5304493206
• Bracket 5304478942
• Cushion 5304493207
• Fan Blade 5304493155

Reference price and where to compare

The reference price on file for this part is $249.95. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare 5304479021 listings on Amazon

Before you order

• Match the part number character for character, including dashes and trailing letters; a single different character is usually a different part.
• Confirm your appliance's model number on its data plate and check that it appears in the list above (or use the model lookup tool).
• If a seller offers a substitute number, check that it appears in this page's replacement list or in the manufacturer's documentation.

Model lookup tool