Carburetor Adapter, 600 H.O., Part 1203425 is a rubber adapter that goes between the airbox and carburetor. It meets ASTM, D2000 regulations and is chemical and environmental resistant which extends the time between the recommended service intervals letting you ride longer. is a genuine OEM high quality part that is tested by Polaris engineers through extensive lab and field tests to ensure durability and performance ultimately giving you the best riding experience possible. We’ve been a leader in the snowmobile industry for nearly 70 years, don’t settle for anything less than OEM quality.