Aftermarket Mercury 47-8M0204676 Seawater Impeller Sierra 18-3098
Keep your Mercury outboard engine running cool and protected with this Mercury 47-8M0204676 Seawater Impeller Replacement. This high-quality aftermarket impeller is a direct replacement for Mercury part numbers 47-16154, 47-161543, and 47-8M0204676, providing reliable cooling for both two-stroke and four-stroke Mercury engines.
Designed for durability and efficient water flow, this impeller is perfect for maintaining optimal engine temperature and preventing overheating in freshwater and saltwater conditions.
47-16154
47-161543
47-8M0204676
Provides an exact fit and restores proper water circulation through your Mercury outboard’s cooling system.
Two-Stroke Engines:
3.3 HP (1993 & Up)
4/5 HP 2-Stroke (1987 & Up)
Four-Stroke Engines:
4/5/6 HP 4-Stroke (1999 & Up)
Ideal for small outboards commonly used in dinghies, tenders, and small recreational boats.
Reliable replacement for OEM parts at a cost-effective price
Ensures optimal engine cooling and protection
Compatible with both 2-stroke and 4-stroke Mercury outboards
Durable aftermarket construction designed for long service life
Easy installation with direct OEM fit
Protect your Mercury outboard engine from overheating and maintain smooth performance with this Aftermarket Mercury 47-8M0204676 Seawater Impeller.