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The D-shaped insert is stripped or worn, causing the knob to spin freely on the shaft without changing the cycle selector position.
The control knob has been lost or removed and the flat selector shaft is exposed, making cycle selection impossible without a replacement knob.
The knob no longer sits securely on the shaft, wobbles during use, or repeatedly falls off — a fresh replacement snaps on firmly and eliminates the issue.





💡 Pro Tip: Is Your Control Knob the Problem?
Your part is likely the culprit if you notice any of the following:
⚠️ The knob spins freely but does not change the cycle selector position
⚠️ The knob is cracked, chipped, or has broken off completely from the shaft
⚠️ The D-shaped insert inside the knob is stripped and no longer grips the shaft
⚠️ The knob wobbles or falls off during normal use
Before ordering, confirm your knob uses a D-shaped shaft (flat on one side). If the knob spins but does not engage the selector switch, the underlying switch may also need inspection — but in most cases, replacing the knob alone solves the problem immediately.
📦 What's in the Box
✅ 1× Control Knob — Pewter/Dark Gray, approx. 1.75" diameter, D-shaft fit (WP8182050 compatible)
We typically respond within 1 business day. Include your appliance model number for the fastest answer.
Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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