Quicksilver DOT 4 Brake Fluid is designed for use in powersport engines that require DOT 4 brake fluid. It is also compatible with all DOT 3 and DOT 4 applications. For all DOT 4 brake fluid applications. Compatible with all DOT 3 brake fluids. Low compressibility to provide consistent braking corrosion protection. For use in all DOT 3 and DOT 4 brake fluid applications. Provides outstanding corrosion protection to help extend brake life. Maintains peak brake performance and reliability. Package includes 1 12 oz bottle.