Those small hoses behind the battery need to be replaced. They are eaten up. Where do I get them?

 

okay I think they are vacuum lines? they are about 1/4 inch maybe. What are these called and how do i find replacements?

 

Just get some stock vacuum line at any parts store. Then use nipples(too expensive), or just go to a hardware store or hobby shop, and get a piece of brass tubing. Cut it into short sections and slide it into the vacuum lines to splice them together end to end.