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Upper Spray Arm Mount Assembly

Part Number: AP3178206
MFG Part Number: 8539324
Made by: Whirlpool
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$4.40 $0.70

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8 Questions & Answers


PLEASE NOTE: Shaft is angled to match the bottom side of rack and mounts directly to the rack. On older design models part number 8268812 will no longer be used.

Genuine Whirlpool part. Whirlpool brands include Whirlpool, Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and others. See all items in Dishwasher Support.
Whirlpool also makes various appliance models for Sears / Kenmore.

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Cross Reference Information

Part Number 8539324 (AP3178206) replaces 9742994, 8268844, 962126, AH734018, EA734018, PS734018.

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Broken upper shower bracket Tony F. • Lake Park, GA • March 12, 2014

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Repair Time Estimate

Less than 15 minutes 

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Repair Video

How to Replace Upper Spray Arm Mount Assembly #8539324

Step by step instructions on how to replace a Upper Spray Arm Mount Assembly #8539324 for Dishwasher made by Whirlpool, KitchenAid, Kenmore. Note: This video is intended to give you the general idea of the part replacement procedure. Your appliance may differ depending on the manufacturer and model.


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Questions & Answers

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Is there an assembly drawing?



1 person found this answer helpful.

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Due to the shaft being angled, it's rotating unevenly and bumping into the rack. How do I resolve this?

Joe M for Model Number DU931SCGB


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I just received the new part. As I see it (correct me if i'm wrong please), the old part was held in place with a screw and cap mounted topside of the rack.The new one holds itself by snapping onto the rack underside. This is all good except the angle of the spout (underside) veers to the left so it mounts the spray arm at an angle. I tried snapping it into place at 90 degrees but due to the rack design that can't work. Is this how it's supposed to be? Thanks in advance

Terry for Model Number whirlpool


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Latest Questions

i have a part#8268844 its been replaced withpt.#8539324 this part does not work on this dishwasher upper sprayarm hits bottom of upper dishrack.the nipple on mounted tier needs to be longer. how can i solve this problem?also the nipple has to be able to accept screw pt.#3400031 which probably needs to be longer also. thanks, bill sweeney

Bill Sweeney for Model Number 66515822000 serial#fk4612901


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We have just received replacement part #5 (AP3178206) but it does not have a screw hole like the piece that broke. What is the solution?

Jude S.


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recently order part 14 for a dish washer,ihave part 15,upon receiving my order,part 15 doesnt attach to to 14 ,it looks like 14 is a new part. can i use dishwasher without it thanks

Patrick for Model Number gu940scgb2


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