This 8700.02 KAPPA-30/40 Diaphragm Repair Kit provides replacements for damaged or worn diaphragms on the Udor Kappa 40 Diaphragm Pump, including O-rings, piston diaphragms, and accumulator diaphragm. The durable and easily installed parts in this repair kit can also be used to keep other devices functioning smoothly, such as the T35 and Kappa 30 pumps by replacing damaged or broken parts required for optimum performance.