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Customer Questions and Answers for Air Diffuser Assembly by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18047436
Manufacturer Part Number: WPW10151374

The Air Diffuser Assembly is an OEM part for Whirlpool refrigerators. It regulates the airflow between the refrigerator and freezer compartments, ensuring the proper distribution of cold air to maintain the desired temperatures in both sections.  

Common causes of a faulty air diffuser assembly include wear and tear from regular use, damage from ice buildup, or mechanical failure of the moving parts within the diffuser.

Symptoms of a bad air diffuser assembly include:

  • Uneven temperatures between the refrigerator and freezer compartments
  • Frost buildup in the freezer or refrigerator
  • The refrigerator compartment being too warm or too cold
  • Unusual noises coming from the air diffuser area

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.

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Questions & Answers

For Whirlpool Air Diffuser Assembly (Part Number: OEM18047436)

1 Answer

Hi Richard. Are both controls set mid-way only. If it is too cold in the freezer, then turn it back to 1/2 way setting (0°). Look at the back wall of the freezer. I noticed what you have changed. If the defrost heater is open (w/ohm meter), this part # is WP2323198.Please call 1-877-477-7278 A.P.P. Call Center. If the defrost timer is not allowing defrost then this part # is WPW10135091. All electronic controls are included in this board. Thank You.

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1 Answer

Hi Tim. The control box/panel controls the panel and light. It is part # 2304102. The air diffusser is the air damper assembly that allows a certian amount of air is normally let into the fresh food from the freezer fan assembly. Then behind the crisper drawer is the air return duct as the normal SxS air circulation is clockwise. Thank you.

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1 Answer

Hello Tim. You can use a flashlight to look inside the diffuser or you can feel with your hand and see if the cold air is coming out of the diffuser. Hope this helps.

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