This is a genuine OEM Ford Motorcraft ZD18 glow plug made in Japan. It is a diesel glow plug with OE/OEM part numbers BC3Z12A342C and ZD18, and interchange part number BC3Q6M090CA. It weighs 0.3 lbs. and is designed for placement on the front exterior of the vehicle. This glow plug is a new, original product from the brand Motorcraft.