Briggs & Stratton carburetor diaphragm kit allows your carburetor to mix the right amount of gas with air so the engine runs properly. Fits on 2HP - 5HP Horizontal shaft engines. Used on tillers, chipper/shredders and other power equipment. Only Briggs & Stratton genuine parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in Briggs & Stratton engines. Help keep your outdoor power equipment running at peak performance by using Briggs & Stratton replacement and maintenance parts. Fits On 2HP - 5HP Horizontal shaft engines Used on tillers, chipper/shredders and other power equipment. This kit replaces Briggs & Stratton service part diaphragm and spring and spring cap. Do it yourself diaphragm replacement kit keep it running keep it genuine.