Products Snowmobile- PolarisGasket Back Reed Gasket 09-717270 / 717270 / 5412817 Item Number: 09-717270 Windersa Number: 717270 OEM Number: 5412817 Fit on models: Polaris 440PRO X You May Also Be Interested In Exhaust Gasket 09-718186 / 718186 / 3085174 Exhaust Gasket 09-718109 / 718109 / 3084439 / 3086995 / 3084046 / 3085845 Piston Kit 09-808-02 Connecting Rod Kit CR2604