Keep your Mercury outboard running smoothly with this comprehensive impeller repair kit designed for 4.6L/5.7L and V8/V10 Verado models. This OEM kit includes everything needed for a complete cooling system maintenance: impeller, face seal, setting tool, O-ring, drain plug seal, cover assembly, drive key, and faceplate. Compatible with V10 Mercury outboards featuring 6.4" gearcase, 5.7L/V10 350HP Verado SeaPro (serial numbers 3B266064 & up), 5.7L/V10 350/400HP Verado (serial numbers 3B266064 & up), and 4.6L/V8 500HP Mercury Racing outboards (serial numbers 1E099432 & up). This kit contains genuine Mercury components for optimal performance and reliability. Maintain your vessel's cooling system with confidence using these precision-engineered replacement parts.