This is a surface burner cap. Surface burner caps are installed on range cooktops. The function of the burner cap is to protect the head of the burner. It keeps food and other debris from falling into the burner head and also helps to create a more even heating surface by spreading out the flame. With use, because of misuse, or from accidental damage, the surface burner cap may stop working correctly. When it stops functioning, it requires a replacement to continue efficiently using the appliance.Checking the burner cap for signs of damage should be enough to tell whether or not this part should be replaced. If the flame on the cooktop isn't spreading out and heating evenly, the burner cap may be faulty. A replacement part is simple to install. Make sure the range is turned off. Unplug it from the power source to prevent a spontaneous ignition while placing the surface burner cap on the device.This surface burner cap is an authentic OEM replacement part. It is sourced by the manufacturer. It is sold as an individual unit. The surface burner cap is made of high-quality, durable materials. It can be installed on cooktops in various range models. It is compatible with Bosch, Thermador, and Gaggenau brand equipment.