the propane diffusers I beleive they are called
no, the pipes that carry gas throughout grill with small orifices in them. there are 3 on my grill
Do you mean the actual part with the holes where the flames come out? The burner?
yes. need to order all three of them
Okay. Here is the link and please ask questions if you are not sure or if the link won't work for you. Thanks.
DCS Grill Parts
Does the picture on the link look right?