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Customer Questions and Answers for Upper Agitator by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM12073416
Manufacturer Part Number: 21001878

Washing machine upper agitator auger and post assembly.

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Questions & Answers

For Whirlpool Upper Agitator (Part Number: OEM12073416)

1 Answer

Hello Richard, I'm sorry but this part 21001878 has been discontinued by the manufacturer and no satisfactory substitutions have been provided. You may be able to locate one in a dealerships' inventory but you would need to do an online search for part number 21001878. Thank you for your patience and understanding in this matter.

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1 Answer

Fred, the disc agitator is mounted directly to the drive shaft of your unit. With this in mind, you should be able to rotate the agitator and cause the rotor to rotate as well. Your basket is what's called a floating basket so should be able to rotate freely.

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1 Answer

Hello Jamie, It sounds like the hole that the agitator retention screw WPW10309247 passes through in the upper agitator 21001878 may be wallowed out. If the screw backs out, you should replace it since the new screw comes with threadlock on the threads to prevent backing out.

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1 Answer

Hello Peggy. Make sure the bolt is installed properly. If so, you will need to order and replace the upper agitator on the unit.

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1 Answer

Jeff, This squeaking noise would be caused by a faulty brake that is slipping during agitation. The parts that you will need to replace this will be the brake rotor WP35-6714 and the brake stator WP35-6918.

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1 Answer

Hello Jason, You should remove the agitator from the transmission shaft and see if the top of the shaft is agitating. If not, you could have a clutch 285785 or gearcase 3360629 issue.

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1 Answer

Hello Ken, The screw should be installed after the top half of the agitator is installed. It should aid in the retention of the auger post.

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1 Answer

Hello Matt. You model does not have the type of agitator that you can replace the dogs. You would need to replace the upper agitator part# 21001878. There is a video on the part page that will show you how to do the repair.

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1 Answer

Kelly, Does the agitator base 21001530 oscillate back and forth in the wash cycle, if so then the issue will be in the upper agitator 21001878 The locking mechanism called "Dogs" has failed and isn't locking the agitator. If the agitator base doesn't oscillate in the wash cycle, then you'll need to remove the upper agitator and the agitator base and check the splines on the bottom, inside center of the base, to see if they have been " stripped" out and not grasping the splines on the agitator output shaft.

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