Heat shield and gasket for reductant delivery unit

A reductant delivery unit, comprising:

• a fluid injector having a fluid inlet, a fluid outlet and a fluid flow path providing fluid communication between the fluid inlet and the fluid outlet, the fluid injector further comprising a valve, the valve controlling the flow of fluid through the fluid injector and including a valve body, the valve body having a distal end at which the fluid outlet is disposed;
• a housing in which the fluid injector is disposed;
• a clamp flange coupled to the housing and configured to engage with a mounting boss of a vehicle exhaust pipe;
• and
• a shield member having a first portion which is disposed downstream of the fluid outlet, relative to a direction of fluid flow in the fluid injector, and at least partly covers the fluid outlet, and a second portion which is disposed adjacent to and contacts the clamp flange and seals the engagement between the clamp flange and the mounting boss of the vehicle exhaust pipe when the reductant delivery unit is mounted thereto.