Sierra 18-3600 Sea Water Pump for MerCruiser V8 Engines

The Sierra 18-3600 is a premium-quality raw water pump designed specifically for GM-based MerCruiser V8 marine engines equipped with V-belt drive systems and 2-piece pump housings. This direct replacement pump is essential for maintaining proper cooling system performance in inboard and sterndrive applications.

Key Features:

• Engineered to meet or exceed OEM specifications for reliable performance
• Durable plastic housing with aluminum shaft construction for superior corrosion resistance in harsh marine environments
• Fits V8 engines with V-belt and 2-piece pump body configuration
• Compatible with clamp-type raw water pump adjusting brackets
• Includes mounting bolts and washers for complete installation
• Made from new components - not remanufactured
• Use with repair kit 18-3155 for maintenance

Replaces OEM Part Numbers: MerCruiser/Mercury 46-59112A2, 46-63450A2, 46-72774A11, 46-72774A32, 46-73823A7

Sierra Marine provides premium aftermarket replacements engineered to match the GM blocks used in many MerCruiser engines. The water pump serves as the heart of your cooling system, and proper operation is critical for maintaining engine performance and preventing overheating damage.