The A4720780480, A4720780680 Fuel Injector Line Passthrough Seals OEM - 6pcs is a set of seals specifically designed for Detroit Diesel fuel injectors. These seals are direct replacements for the original equipment manufacturer (OEM) part, ensuring a secure fit and preventing leaks. Made by the OE/OEM manufacturer, these seals are easy to install and suitable for diesel fuel type. With a quantity of 6, these seals provide a reliable solution for maintaining the fuel injection system in your vehicle.