Metal Form is an important constructor, supplier and exporter of Radiator Accessories, Radiator Caps, Radiator Pressure Caps, Plastic Radiator Pressure Caps, Radiator Filler Necks, Oil / Fuel Filler Caps and many more. Metal Form offers Fuel Filler Cap available in Sheet Metal and Plastic Constructions. The latest generation of fuel filler caps uses a principal similar to that of radiator pressure cap i.E. Pressure release and relief in case of vacuum. Fitment of these fuel filler caps can be in threaded or notch form depending on the fuel filler neck compatibility.