Electrolux · Washer part

Lawn Tractor Mandrel Assembly 5304505521

5.0 · 6 buyer ratings on the source catalog

5304505521No photo on file
Match this part by its number, not by appearance.

Monitors and controls the washers drive motor speed and direction for efficient operation

Reference price$177.91–$199.39

Catalog price as of 2026-05; not a live Amazon price.

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Part number
5304505521
Brand
Electrolux
Made for
Washer
Fits
6 models
Also sold as
Frigidaire
Install difficulty
Moderate
Replaces
5304505231, 5304514774
  • Fitment checked against 6 models
  • Purchase, shipping and returns handled by Amazon
  • Free reference data: RepairKitHub does not sell parts

Does it fit your appliance?

Find it on the data plate inside the door or lid. It is not the serial number.

About this part

5304505521 is a Electrolux replacement part (lawn tractor mandrel assembly) for washers. Our fitment data lists 6 models that use it.

Motor control board 5304505521 regulates the motors operation during the wash, rinse and spin cycles. It communicates with the main control board to ensure smooth transitions between motor speeds and directions for optimal washing performance. Common symptoms of a failed motor control board include the washer not spinning, failing to agitate or stopping mid-cycle. In some cases, you may also see error codes related to motor or speed control issues. Before servicing, unplug the washer to prevent electrical shock. Wear work gloves to protect your hands while handling electronic components.

How to confirm it has failed

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

All 6 confirmed models for this part.
ModelBrandApplianceParts on file
EFLS617STT0ElectroluxWasher98
EFLS517SIW0ElectroluxWasher93
EFLS617SIW0ElectroluxWasher88
EFLS517STT0ElectroluxWasher77
EFLW417SIW0ElectroluxWasher75
EFLW317TIW0ElectroluxWasher67

Part numbers it replaces

The manufacturer lists 5304505521 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

Installation

Installation difficulty on the source catalog: Moderate.

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

Frequently asked questions

Which models does 5304505521 fit?

Our fitment data lists 6 models that use 5304505521, including EFLS617STT0, EFLS517SIW0, EFLS617SIW0. Enter your model number in the fit checker on this page to confirm.

Which part numbers does 5304505521 replace?

5304505521 replaces 5304505231, 5304514774. If your original part carries one of those numbers, 5304505521 is the current replacement.

Is 5304505521 hard to install?

The source catalog rates installation as moderate. Unplug the appliance before you start.

How much does 5304505521 cost?

Catalog prices on file range $177.91–$199.39 (as of 2026-05). The current Amazon price can differ, so check it before you order.