Fits Bombardier DS 650/Quest 500/Quest 650 Carb ATV QuadAir Filter Mount inner Diameter: 59mm (2.32 inch) /Air Filter Mount Outer Diameter: 62mm (2.44 inch)PD42J Carburetor Fits For ds650 bombardier / bombardier quest 500 carb/bombardier quest 650 carb /carburetor bombardier 650/bombardier ds650 carburetorPackage included : 1x Carburetor/1x Throttle Base Cover/1x Throttle Base Rubber Gasket/1x Throttle Cable Clip/3x Base Cover Screw.High quality PartProduct Description FITS: Bombardier DS650 2000-2006 Bombardier Quest 500 2002-2004 Bombardier Quest 650 2002-2004 Specs: Air Filter Mount inner Diameter: 59mm (2.32 inch) Air Filter Mount Outer Diameter: 62mm (2.44 inch) Intake Diameter inner Diameter: 42mm (1.65 inch) Intake Diameter Outer Diameter: 48mm (1.89 inch) Package included : 1x Carburetor. 1x Throttle Base Cover. 1x Throttle Base Rubber Gasket. 1x Throttle Cable Clip. 3x Base Cover Screw. Please verify this is the right part number before ordering