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Models > 4KSM90PSBU0

4KSM90PSBU0 KitchenAid Mixer - Overview

Get Parts and Repair Help for 4KSM90PSBU0

If you know the mixer repair part you need, you can browse the list of all parts on the 4KSM90PSBU0, or you can search by name or part description. You can also find your part by where it is located on the 4KSM90PSBU0 by selecting a section below. If you’re not sure which part you need, you can narrow your search by selecting a common symptom and we’ll show you the repair parts most likely to fix your mixer. We’ve also included any installation videos we have for 4KSM90PSBU0 parts. Installation instructions provided by other do-it-yourselfers will help guide you through your repair.

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$6.04

Brush Holder

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$8.49

Worm Gear Assembly

Comes with bracket and ring.

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$17.24

WASHER

SHIM WASHER KIT CONTAINS (5)

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SCREW

Sold individually.

$6.04

End Cover - Cobalt Blue

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$4.79

CAP-BRUSH

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$17.52

PLANETARY

$5.31

SLEEVE

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$4.89

SCREW

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$4.89

Nut, Machine Hex (10-24)

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Search Instructions
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Speed Control Lever KNOB BROKEN

  • Customer: Robert from Minot, ND
  • Difficulty: Easy
  • Time to Complete: Less than 15 mins
  • Tools Required: Pliers
  • 95 of 123 people found this instruction helpful
Pulled the Knob off of the new Lever then pressed it on the old Lever. I had to order the whole lever because it was the part nearest the knob in the illustrated parts break-down. I RECOMMEND THAT THE KNOB BE ADDED TO THE ILLUSTRATED PARTS BREAK-DOWN. read more

motor would run but mixer wouldn't operate: broken worm gear

  • Customer: Raymond from Shirley, MA
  • Difficulty: Easy
  • Time to Complete: 30 - 60 mins
  • Tools Required: Screw drivers
  • 53 of 55 people found this instruction helpful
My girlfriends' stand mixer failed when the accessory drive cap fell into the mixing bowl and jambed the beater, spliting the worm gear. The teeth on this gear are made of nylon and are molded to an aluminum center. This part is designed to fail in situations like this, saving the more expensive transmission parts. Following a repair manual I found online, I... read more

Mixer was making clunking sounds and shaking

  • Customer: Robert from Minden, NV
  • Difficulty: Easy
  • Time to Complete: 1- 2 hours
  • Tools Required: Screw drivers
  • 49 of 53 people found this instruction helpful
I removed screws in a sequence that I felt wouldn't further damage the mixer until I had it completely unassembled. When I found the broken worm gear, I went online to find a part. I found an exploded view, but the part numbering was old, and the salesperson couldn't tell me what the worm gear and bracket assembly consisted of, as I only wanted the worm gear... read more