Why do oven control knobs break?

Oven control knobs can break due to repeated use, exposure to high heat from cooking, accidental impact, or material fatigue. The internal D-shaped insert can strip, preventing proper engagement with the control shaft, or the plastic/metal can crack or warp over time.

Can I use any control knob as a replacement?

No, control knobs are specific to the appliance's make, model, and the type of control shaft (e.g., D-shaped, splined). Using an incompatible knob may result in an improper fit, inability to control the burner, or damage to the control valve. Always verify compatibility with your specific oven model.

How do I clean my oven control knobs?

To clean oven control knobs, first remove them from the appliance. Wash them with warm, soapy water and a soft cloth. Avoid abrasive cleaners or scouring pads, which can scratch the finish or remove markings. Ensure they are completely dry before reattaching them to prevent electrical issues or slippage.

Oven Burner Knob Replacement Guide | Appliance Aid

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🏆 RECOMMENDED PART

DG64-00473A Gas Stove Control Knob Replacement Compatible with Samsung 5pcs

COMPATIBLE MODEL：Dg64-00473a gas stove knobs compatible with nx58h5600ss, nx58h5650ws, nx58j7750ss, nx58m6850ss, nx58k7850ss gas range oven -If your stove is black, you will need dg64-00473b instead .
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What the DG64-00473A does

This knob allows users to manually adjust the flame intensity of the surface burners on a gas oven or the heat output of electric surface elements. It connects to the burner valve or infinite switch, translating user input into desired heat settings.

Symptoms when this part fails

Knob spins freely without adjusting heat
Knob is cracked, broken, or missing
Knob falls off the control shaft
Burner stuck on high or low setting due to stripped knob
Difficulty turning the knob to desired settings

Compatibility

Fits the Samsung family. Specifically:

Any unit originally equipped with OEM part number(s): NX58H5600SS, NX58H5650WS, NX58J7750SS, NX58M6850SS, NX58K7850SS, AP5917439, 3447565.
Check the model/rating plate inside your appliance and compare it against the fitment table on the product listing before ordering — this guide does not list specific compatible models because Amazon does not provide verified fitment data through this pipeline.

Also replaces: NX58H5600SS, NX58H5650WS, NX58J7750SS, NX58M6850SS, NX58K7850SS, AP5917439, 3447565

Tools you'll need

No tools (often pulls off)
Small flathead screwdriver (for set screws)

Difficulty: Easy · Time: 5-10 minutes

How to install the DG64-00473A, step by step

Disconnect the oven from its power supply.
Grasp the faulty knob firmly.
Pull the knob straight off its shaft. If a set screw is present, loosen it first.
Align the new knob with the burner control shaft.
Push the new knob firmly onto the shaft until it seats completely.
If applicable, tighten any set screw to secure the knob.
Reconnect the oven to power and test the new knob's operation.

Related troubleshooting

If swapping this part doesn't fix the issue, check these next: