The flat-style oven igniter is used to ignite the gas to light the oven burner in your range. If your oven is not heating, check the igniter to make sure it is glowing. If the igniter is glowing and your oven is not heating, your igniter is not strong enough to heat the oven and you will need to replace it. When replacing the igniter, be very careful not to touch the black element part of the igniter as it is very fragile. The part measures approximately 3.72-inch in length and the amperage range is 3.2 to 3.6. This is a genuine OEM part.