PURPOSE: To regulate the swing out of the upper margin of door glass during the full-close operation of the door glass.

CONSTITUTION: A first spacer 9, which is made integrally between an outer lip 7 and a base sidewall 6a and pushes door glass 4 to the side of a cabin, is provided in the position near the door west part W of the door glass run 3 arranged on the longitudinal side 2C of a door sash 2, and a second spacer 10, which is made integrally between an inner lip 8 and a base sidewall 6b and pushes the door glass 4 to the outside of the car, is provided in the position near the upper end of the door glass run 3.