8 x Fuel Injector Nozzle Sealing 'O' Rings - For VW Audi Seat Skoda BMW - 035906149A. They fit mainly on each end of the injector to eradicate leaks from the fuel rail to the chamber. The fuel injector o-rings ensure that a proper seal is created between the fuel rail and the injector, or the fuel rail and the intake manifold.
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