This injector oil return seal features a durable, tight connection, ensuring a leak-free connection Fitment: For Citroen For C4 For Lounge Fuel Injector 9802541680 Injectors Fuel Car Auto Parts Durable Material,Stable construction, lightweight and sturdy, durable, and resistant to deformation, breakage, and aging, making it suitable for all weather conditions and offering exceptional durability This injector has flexible design and is not easy to clog, which can effectively reduce the amount of oil used The Injector Nozzle is easy to install and operate, no complicated tools, easy to use, save time and labor, bringing you great convenience, Manufacturer: JKKKKS