Innovative engineering, manufacturing technology and quality control ensure that spectra premium fuel tank filler necks meet or exceed the performance of the original equipment they replace. Unit is designed to original equipment (OE) fit, form and function requirements OE Fit Filler Pipe Spectra Premium: Fuel Filler Neck Fuel Tank Filler Neck Fuel Tank Filler Neck Spectra Premium FN693 - OEM Replacement Part Automotive Fuel Components Spectra Premium® FN993 - Fuel Tank Filler Neck Product Information Spectra premium filler necks are the points that initiate the entry of fuel in a vehicle and are used to bring fuel from the pump nozzle to the fuel tank Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks