STP 17925 Power Steering Fluid & Stop Leak, 12 fl. oz. Protects against wear and saves fluid with a unique 2-in-1 formula Revitalizes dried, hardened and shrunken seals with a special conditioner Helps protect against wear and pump breakdown Compatible with all approved power steering fluids To stop a leak or reduce fluid loss, use a minimum of 7 oz. per quart of power steering system - see owner's manual for capacity