Genuine Honda Impellor Kit suits all carburettored models of BF40 and BF50 ~ also suits older 35 and 45hp 06192ZV5003 This kit does not suit the 2008+ 40hp and 50hp Fuel injected models ~ use kit no.06193ZV5020 Contains all the parts you should need to replace the impellor ie Impellor and gaskets, it also sometimes includes the oil seal for under the pump, which you may not need. Note. If your water pump is worn you may require other parts such as the wear plate and cup. These are available separately ~not shown ~ please email with serial number for details or as a complete water pump kit. Some technical knowledge is required to fit his kit