Device for introducing fuel into an exhaust gas line

The device has a fuel injector (2) for injecting fuel under an injection pressure into an exhaust line (4) through a radial opening (5) in a pipe section. The injector is connected indirectly through an injector mount to a coolant circulation system (7) to transfer heat. An injector receptacle (10) passes radially through an injector mount and opens into the radial opening of the pipe section (3).