Always nice to know what vehicle we are supposed to answer a question on. Paddy wagon? American Flyer? Corn Shucker? 1935 Chevy? LegoMobile?
He was most likely asking within the confines of what this site covers bart ...in generalities of course. maybe LMC vs. Classic vs. Heavy Chevy etc.
On my panel I had Ray Stanley make what I needed so I know it would fit , of course some assembly is always required ...