Quicksilver 8M0174813 - Complete Bravo Four S gearcase for MerCruiser sterndrivesUpgrade or repair your MerCruiser Bravo Four S sterndrive with a premium replacement Quicksilver gearcase, designed to OEM specs to ensure ideal fit and performance. Durable corrosion-preventive finishes and alloys protect your investment in the toughest conditions, while rugged gears ensure long-lasting, reliable service.Key Product Features Fits MerCruiser Bravo Four S sterndrives; Tri-Paint system creates a tough, durable corrosion-resistant barrier; XK360 low-copper alloy enhances corrosion resistance; Made with durable spiral-cut steel bevel gears; Gears designed for quiet operation; Application Information:Fits MerCruiser Bravo Four S sterndrives