MAGNETRON
EAP Number: EAP240245
Manufacturer: GE
Part Number: WB27X618
Fits your GSU0421B Microwave!
Works with the following brands: General Electric, Hotpoint.
Works with the following products: Microwave.
Part Number WB27X618 Replaces:
WB27X0618, WB27X0715, WB27X0767, WB27X715, WB27X767.