Automakers aftermarket alliance Figures show that sales of aftermarket parts increased by 9% in 2006 to a whopping $34 billion, according to the Specialty Equipment Aftermarket Association (SEMA). Drivers are "ping their ride" with such aftermarket items as spinning wheel rims, leather seats, and spoilers and automakers are finding that the pie is big enough to share. Automakers aftermarket alliance aftermarketallianceautomakers in Public bookmarkswith aftermarketallianceautoautomakersautomotivecars