Find Input Part OEM number or machinery model INDUSTRIAL ENGINE Select model INDUSTRIAL ENGINE Caterpillar parts: For full view, you need register C1.1 INDUSTRIAL ENGINE C1.1 C7Y (1974) C1.5 INDUSTRIAL ENGINE C1.5 C8W (1974) C2.2 INDUSTRIAL ENGINE C2.2 C8Y (1974) online parts diagram catalog Search for genuine and aftemarket cat parts.