The Chrysler Air Raid Siren parts list is divided into two sections. The first section, pages 38 to 60 inclusive, is the Base Engine Parts.

The second section, pages 61 to 110 inclusive, is a supplement to the first section and pertains to the parts peculiar to the Chrysler Air Raid Siren Model 20A-480.

The illustrations in the first section of the parts list, are intended to show typical construction of the various parts. In some instances the shape or detail of the parts illustrated may not represent their actual appearance, however, they will help to identify the parts performing the same function.