AFA Industries current product line for the diesel aftermarket consists of new replacement engine parts such as valve train, ... engine components, overhaul kits, fluid pumps, and sealing technology required for Cummins, Detroit Diesel, Caterpillar and Navistar type applications. All of our parts are packaged and labeled in AFA's own brand name, which is a registered trademark of AFA Industries, Inc. Caterpillar* Cummins* Detroit Diesel* and Navistar* are all registered trademarks of their respective corporations. read more