This is a genuine replacement part. The model number and name for the following item is: safety valve 3203459 Frigidaire safety valve.
OEM Part - Manufacturer #3203459
These valves do not fail very often. Normally the problem is with the ignitor not drawing enough amperage to open the valve. Even if the ignitor is glowing orange it is likely still the cause of the burner not igniting. Technicians refer to this as a "weak" igniter.
