FILLER PIPE

The invention relates to a filler neck (1) for filling an operating fluid, such as fuel or AdBlue® or urea, or an additive, such as water, into a vehicle tank by means of a fuel nozzle. The filler neck (1) comprises a filler neck body (2) which can be received in a filler pipe leading to the vehicle tank. The filler neck (1) furthermore comprises a fuel nozzle guide with an insertion section (4) for guiding a fuel nozzle received in or to be received in the filler neck body (2) in the direction of the vehicle tank. According to the invention, it is provided in particular that the filler neck body (2) and the insertion section (4) of the fuel nozzle guide are formed together as a single-piece molded part, in particular a plastic injection-molded part.