A lot of engine problems can be directly linked to a basic maintenance issue such as bad fuel dirty air filter fouled spark plug or old oil. Performing an annual tune-up can prevent damage from occurring. Your outdoor power equipment’s air filter provides protection against dirt and debris. Briggs & Stratton is known for their high-quality engines. This package of air filter and pre-filter are no exception. Keeping your air filter clean is vital to the performance of your outdoor power equipment. This part was designed to specific OEM standards. To verify a proper fit to your outdoor power equipment’s engine please reference your owner’s manual.