Coronavirus hits aftermarket, impacts miles-driven and disrupts Chinese supply channels to U.S.Aftermarket Matters Weekly reached out to industry leaders for their perspectives on this fast-moving, ever-evolving concern and what it means for the aftermarket in the near term. Coronavirus hits aftermarket, impacts miles-driven and disrupts Chinese supply channels to U.S. By Rob Merwin on March 11, 2020 Fewer vehicles on the road translates to diminished service and repair needs and parts sales.