The kit includes three piston diaphragms, diaphragm bolts, diaphragm washers, valve assemblies, and O-rings.Rebuild Kit - Udor Kappa 33, Kappa 43, Kappa 53 UD-02-8700.45CKSKU: UD-02-8700.45CK $498.97 Regular Price$349.28Sale PriceExcluding Sales TaxQuantity*Add to CartBuy Now