Dorman Products, a firm in the automotive aftermarket, completed the acquisition of Dayton Parts, an independent heavy-duty undercarriage aftermarket component supplier, for $338m. "The combination of Dorman and Dayton is extremely exciting. Our two companies are highly complementary and when you add Dorman’s new product capabilities, the combination gives Dayton a significant opportunity to deliver new solutions to its customers and drive outsized sales growth. We look forward to a successful completion of the transaction and becoming a part of the Dorman family," Paul Anderson, Dayton President and CEO.