An air spring assembly for a vehicle includes a spring seat adapted to be secured to vehicle structure of the vehicle. The spring seat has a post extending therefrom. The air spring assembly includes an inflatable air spring having a mounting cap for attachment to the spring seat. The mounting cap has a cavity extending therein to receive the post. The air spring assembly further includes a retaining member extending through the mounting cap and over the post to prevent the post from exiting the cavity to attach the mounting cap to the spring seat.
