http://www.partselect.com/Schematics/GE/GE_Thumb/00007422i02.gif
See part 152 in the diagram
http://www.partselect.com/Schematics/GE/GE_Thumb/00007422i02.gif

Burner Cap Kit - Black

PartSelect Number PS9493017

Manufacturer Part Number WB29X22306
Manufactured by GE

Includes all 5 burner caps.

This part works with the following brands: GE, Hotpoint & Kenmore.