Whirlpool Washer Timer knob / control knob, white with gray detail WP8566022, Replaces 8566022, W10034730, WPW10034730, Fixes Knob slips, falls off, or fails to engage the timer stem, preventing reliable cycle selection
Genuine Whirlpool timer/control knob for top-load washers and certain washer/dryer laundry centers. The knob mounts to the timer or rotary switch shaft and controls wash-cycle settings.
Genuine Whirlpool timer/control knob for top-load washers and certain washer/dryer laundry centers. The knob mounts to the timer or rotary switch shaft and controls wash-cycle settings.
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✅ Cross Reference Information
Common Symptoms
- Cracked or broken knob
- Knob spins without changing the cycle
- Knob will not stay attached to the timer stem
- Washer controls do not respond because the knob cannot engage the timer stem
Check Before Replacing
- With the appliance disconnected from power, inspect the knob for cracks, a stripped hub, or damaged retaining features.
- Check whether the knob’s internal opening positively engages the timer stem rather than spinning freely.
- Verify that the timer stem and knob align correctly and that the knob remains seated when gently operated.
- If a replacement knob repeatedly comes loose, inspect the timer’s retaining mechanism and stem for damage before replacing the knob again.
Pro Tip
Part Details
Key Features
- Genuine Whirlpool OEM component
- Timer/control knob for Whirlpool-family washers and certain washer/dryer laundry centers
- White knob with gray detail
- Designed to engage the rear timer stem
- Replaces Whirlpool numbers 8566022, W10034730, and WPW10034730
Installation Notes
- Disconnect power before servicing.
- For removal, push the knob in, hold the slotted rod end at the rear of the timer, and pull the knob outward.
- For installation, pull the timer shaft out at the rear, push the rod in, align the knob, and press it into place.
- Confirm the knob is fully seated and engages the timer stem before restoring power.
Verified Compatible Models
1CWTW5590ST0, 1DWTW5205SQ0, 7MWT73500SQ0, 7MWT73520SQ0, 7MWT96007XQ0, 7MWT96500SQ2, 7MWT96500ST0, 7MWT98820WM1, WET3300SQ0, WTW5321SQ0, WTW5400TQ0, WTW5500SQ0, WTW5530SQ0, WTW5600VQ0, YWET3300SQ2
Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.
✅Compatibility & Cross Reference
Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.
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