Coolant distributor and heat pump device comprising coolant distributor

A coolant distributor that comprises: an aluminum inflow part into which coolant flows from an inflow pipe; and an aluminum distribution part that distributes to a plurality of outflow pipes the coolant that has flowed into the inflow part. The distribution part is configured from a main body part that is connected to the inflow part and from a plurality of outflow parts that are connected to the outflow pipes. The outflow parts are provided so as to protrude from the main body part and are formed integrally with the main body part.