18310319-1-M-Nortek-621721-Mtr,fan,psc,k,1/4,6p,1s,cwle

( Grid squares measure 1x1 inch )

18310319-1-S-Nortek-621721-Mtr,fan,psc,k,1/4,6p,1s,cwle

18310319-2-S-Nortek-621721-Mtr,fan,psc,k,1/4,6p,1s,cwle

18310319-3-S-Nortek-621721-Mtr,fan,psc,k,1/4,6p,1s,cwle

18310319-1-S-Nortek-621721-Mtr,fan,psc,k,1/4,6p,1s,cwle 360 view

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Mtr,fan,psc,k,1/4,6p,1s,cwle 621721

Fits your Q4SD-X30K!

Official OEM

$ 222.42

Fits your Q4SD-X30K!

PartSelect Number PS18310319

Manufacturer Part Number 621721

Manufactured by Nortek for Nortek

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Troubleshooting
Questions and Answers
Model Cross Reference

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Why buy the real thing?

OEM stands for Original Equipment Manufacturer. Simply put, this means that the company who made your appliance is also supplying the replacement part for it.

OEM from PartSelect
Genuine brand name
Guaranteed to fit
Superior quality and durability
1 year warranty

Generic
Unknown manufacturer
No fit guarantee
Inconsistent quality and lifespan
Limited warranty and support

Troubleshooting

This part works with the following products:

Heating & Cooling
Heater
Air Conditioner

Questions and Answers

Be the first to ask our experts a question about this part!

Model Cross Reference

This part works with the following models:

PartSelect Number: PS18310319
Manufacturer Part Number: 621721

Nortek

DF6SE-X36K072C

Heating & Cooling - Hvac System

Nortek

DF6SE-X36K096C

Heating & Cooling - Hvac System

Nortek

GP3RA-042K