Water Pump Impeller Kit Replacement – Compatible and Reliable Performance This impeller is designed as a direct replacement for the 478M0104229 water pump impeller kit, replacing part number 47862232A2. Engineered for dependable cooling performance, it is compatible with MerCruiser 4.3L, 5.0L, 5.7L, and 8.1L engines, ensuring broad usability across multiple marine applications. Key Benefits: Direct compatibility for MerCruiser 4.3L, 5.0L, 5.7L, and 8.1L models ensures proper fit and function. Durable construction resists wear, extending impeller service life. Smooth operation maintains consistent engine cooling to prevent overheating during use. Designed for quick and straightforward installation, making it ideal for fast maintenance or emergency repairs on the water. Specifications and Features: Model: Suitable for 478M0104229 kit, replaces 47862232A2. Application: Engine cooling system component for multiple MerCruiser engine sizes. Material: Strong and resilient build to endure harsh marine conditions. Performance: Maintains coolant flow for reliable temperature control. Use Scenarios: 1. Routine maintenance of your MerCruiser boating engine to restore cooling efficiency and performance. 2. Emergency replacement when an existing impeller fails, preventing engine damage from overheating. 3. Scheduled seasonal servicing for engines in fishing boats, leisure crafts, and water sports vessels to ensure readiness and reliability. Designed for boat owners seeking a dependable impeller with proven compatibility, this replacement part offers both reliability and ease of use for maintaining critical cooling systems.