These Welch 1399 minor secondary kits include all the components of the gasket kit plus v-belts, exhaust valves and springs for a light rebuilt or overhaul. The rotary pump vanes are not included in these minor rebuild and repair kits. The shaft seal assembly in these kits are made from lip-type seals. These Welch 1399 repair kits are guaranteed to meet or exceed OEM specifications.
