Keep it Running - Keep it Genuine. Help keep your outdoor power equipment running at peak performance by ordering the Briggs & Stratton 118 in. V-Belt. With this mower belt, maintaining your tractor is a breeze. Need additional mower parts besides this V-belt? You can find the right part you need including carburetors, air filters, spark plugs, tune-up kits and other engine repair parts. Only Briggs & Stratton genuine parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in Briggs & Stratton engines.