... , such as aluminum casting cylinder,fuel injection housing, gear houing Instead of using sand as the mold ... alloys. Typical parts include gears, splines, wheels, gear housings, pipefittings, fuel injection housings, and automotive engine ... .1. Cylinder2.Gear Housing3. Intake mainfold4. Fuel injection pump housing5. Pipefitting Cylinder, fuel injection pump housing, gear housing, intake mainfold