The Briggs & Stratton 6039 Pressure Washer Pump Saver protects the pistons of your pressure washer and seals them from damage. Harsh weather or extended periods of idleness can lead to weakening of the pressure washerÃ•s pistons. Use this unique anti-freeze and lubricant formula before extended storage and prior to startup the following season to keep your pump running on full blast. This 4-ounce bottle can be used with most brands of pressure washers. Help keep your outdoor power equipment running at peak performance by ordering the Briggs & Stratton 6039 Pressure Washer Pump Saver. Only Briggs & Stratton genuine parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in Briggs & Stratton engines. Not only are Briggs & Stratton genuine parts guaranteed to fit, but using them also ensures that the Briggs & Stratton engine they are installed on complies with applicable (EPA) emission regulations. For more than a century, Briggs & Stratton branded engines and power equipment have helped consumers get the job done. Known for hard-working, dependable, efficient products, Briggs & Stratton is the world's largest producer of gasoline engines for outdoor power equipment. Briggs & Stratton products are designed, manufactured, marketed and serviced in over 100 countries on all seven continents. Visit www.amazon.com/briggsstratton for more information on Briggs & Stratton and our extensive line of products.