Nordyne · Replacement part

Sequencer 621678R

4.5 · 33 buyer ratings on the source catalog

621678RNo photo on file
Match this part by its number, not by appearance.

Reference price$34.38–$47.78

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

Check price on Amazon

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Part number
621678R
Brand
Nordyne
Fits
1 model
  • Fitment checked against 1 model
  • 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

621678R is a Nordyne replacement part (sequencer). Our fitment data lists 1 model that use it.

Symptoms this part fixes

  • Intermittent operation
  • Won't start

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 1 confirmed model for this part.
ModelBrandApplianceParts on file
308780171Sears—13

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 621678R fit?

Our fitment data lists 1 model that use 621678R, including 308780171. Enter your model number in the fit checker on this page to confirm.

What symptoms point to a failed sequencer?

The source catalog links this part to these symptoms: intermittent operation, won't start.

How much does 621678R cost?

Catalog prices on file range $34.38–$47.78 (as of 2026-05). The current Amazon price can differ, so check it before you order.