Item #3479 (OEM Part)
Gas burner valve solenoids. Kit contains both the two wire and three wire solenoids. One solenoid is the primary and one is the safety. Both have to operate for the gas valve to open. Usually, one of them burns out but you should always replace them as a set.
Manufacturer Number 279834
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These often fail intermittently, making diagnosis difficult. To test, watch the burner assembly while the dryer is heating. If the igniter glows for a while and then shuts off without the gas turning on, it usually means one of these coils is bad.
Solenoid
Gas Valve Solenoid Coil Kit
Dryer Maintenance