Diaphragm Kit Fit For Briggs 495770 Carburetor Gasket Rebuild Kit Small Engine Lawn Mower Parts Matched contour cut size Fit For Briggs 495770 carburetor internal assembly positions for seamless placement Flexible dense sheet material maintains tight sealing contact with carb housing surfaces Balanced thin diaphragm structure delivers steady fuel flow feedback for consistent engine idle speed Pre cut pre grouped gasket pieces align with carb slots for quick full carb Uniform sheet thickness holds stable flat shape after repeated carb temperature shift cycles