[header] How to replace vw bus windshields and seals [title] Buy replacement glass, either from a junk yard (there are a bunch out there) or an auto glass shop. [substeps] Most shops can get it for you new, though not all of the new glass fits as well as original windshields, and it tends to be much more expensive. [title] Buy new rubber. 
[step] If you are going to put the effort in, it's best to replace the seal as well. [substeps] The " classic cal " look (all black) is a good way to go.