This OEM Annovi Reverberi water seal kit includes all the necessary parts to repair A.R. RSV series pumps. For a complete list of pumps serviced, see below. If you have any other questions or are unsure if this kit will service your pump, please contact us through eBay. We are a full service pressure washer repair shop and an authorized Annovi Reverberi dealer. Included in the kit:3 x AR1342761 Gasket3 x AR1981580 Ring3 x AR770260 O-Ring3 x AR1260440 Gasket3 x AR640070 O-RingUsed on the following pumps:RSV2.5G25D-F25RSV3G25D-F25RSV3G30DF25EZRSV3G30D-F40RSV3G34D-F40RSV3.5G35D-F40RSV4G40HDF40EZ