Water Pump Impeller Mercury Mariner 4HP 4.5HP

This water pump impeller is designed for Mercury Mariner outboard engines, specifically for 4HP, 4.5HP, and 7.5HP models.

• Brand: Mercury Mariner | Fits: 4HP, 4.5HP, and 7.5HP outboards
• High-performance design for optimal cooling
• Critical for preventing engine overheating