Main Orifice WB21X10078

Brand: GE · Appliance: Cooktop · Fits: 6 models · Reference price: $127.76

WB21X10078 is a GE replacement part (main orifice) for cooktops. Our fitment data lists 6 models that use it.

When to replace this part

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Models that use this part

Other parts for model ZGU375NSD1SS

If you are repairing that appliance, these are the most model-specific parts on file for the same model.

• Manifold WB02X10796
• Orifice-simm WB21X10071
• Power Cord WB18X10170
• "d" Burner A WB28X10060
• Cooktop Burner Orifice, 15,000-BTU WB21X10077
• Cooktop Indicator Light and Wire Harness WB18X10172
• Cooktop LP Conversion Kit WB49X10087
• Cooktop Simmer Burner Supply Tube WB28X10040

Reference price and where to compare

The reference price on file for this part is $127.76. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare WB21X10078 listings on Amazon

Before you order

• Match the part number character for character, including dashes and trailing letters; a single different character is usually a different part.
• Confirm your appliance's model number on its data plate and check that it appears in the list above (or use the model lookup tool).
• If a seller offers a substitute number, check that it appears in this page's replacement list or in the manufacturer's documentation.

Model lookup tool