Replacement air compressor pump K30 Gasket kit for Rolair Compressors. This kit is compatible with Rolair compressor pump models K30, PMP22K30CH, 30502270CH, and K30HU. This kit includes all of the necessary gaskets for rebuilding these pumps. When replacing the old gaskets, wipe or scrape off any old gasket material from the components, then install the new ones dry and tighten the bolts to the correct torque setting for your unit. These gaskets may work with other models. If you have any questions, feel free to reach out to us before purchasing. Includes all gaskets and seals shown.