These Edwards 175 E1M175 E2M175 vacuum pump minor rebuild kit includes coupling elemnets, o'rings, gaskets, airbleed assembly, ducting sheet, shaft seals, and other parts needed for standrad service. They do not include vanes. These Edwards 175 E1M175 E2M175 vacuum pump repair rebuild kits are guaranteed to meet or exceed OEM specifications. (.PDF Parts Breakdown and Service Kit Instructions can be downloaded below, see AVAILABLE DOWNLOADS.)