This Briggs and Stratton engine tune-up kit is for Intek and Professional Series riding mower engines with a 18.5-21.0 Gross HP power rating. Only Briggs and Stratton genuine parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in Briggs and Stratton engines. Not only are Briggs and Stratton genuine parts guaranteed to fit but using them ensures that the Briggs Stratton engine they are installed on complies with applicable (EPA) emission regulations. There are no substitutes when it comes to keeping engine powered equipment healthy, to maximize engine life, meet original equipment specs and provide full warranty coverage, always use genuine parts from Briggs and Stratton. Many parts look similar, so it’s crucial to ensure you’re choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement. Kit Includes: Air Cleaner 793569 Pre Cleaner 793685 Fuel Filter 84001895 Oil Filter 492932, 696854 Spark Plug 496018S 48 oz. bottle of Briggs & Stratton SAE 30 Oil Model Fit: 31E877, 31L777, 31M977, 31Q677, 31Q777, 31S777, 31S877, 31S977, 31U977, 331707, 331777, 331877, 331977, 33M677, 33M777, 33M977, 33R777, 33R877, 33S777, 33S877
