Stop fighting with your Mercury engine. This factory-spec PUMP ASSEMBLY, Circulating Water eliminates common issues and delivers the smooth operation you expect from genuine OEM components.

Manufactured to strict Mercury Marine quality standards, this pump ensures reliable operation across all engine RPM ranges. Part number 811573A04 is manufactured to exact Mercury Marine factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials designed to withstand harsh saltwater and freshwater environments.

Factory parts exist for a reason — they work. Part 811573A04 undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

 

Compatible Mercury Marine Engines

FITS: 8-850HP MERCRUISER, RACE STERNDRIVE (EFI)

• Fits MERCRUISER, RACE STERNDRIVE 8-850HP engines
• Compatible with 10 different HP configurations
• Model types: EFI
• Covers 24 serial number ranges
• Configurations: Outboard, Sterndrive
• OEM genuine Mercury Marine part

 

COMPLETE SERIAL NUMBER COMPATIBILITY:

8HP Models

• 8HP INBOARD (Mercruiser): 1A350802-2A041664, 1A350802-2A041664
• 8HP OUTBOARD (Mercruiser): 1A350340-2A041664, 2A041665-2A051741, 2A051742-2A051742, 1A350340-2A041664, 2A041665-2A051740, 2A051741-2A051741

102HP Models

• 102HP STERNDRIVE (Race Sterndrive)

107HP Models

• 107HP STERNDRIVE (Race Sterndrive)

120HP Models

• 120HP STERNDRIVE (Race Sterndrive): 0M956534-0M962885

540HP Models

• 540HP OUTBOARD (Mercruiser)

565HP Models

• 565HP EFI (Race Sterndrive)

600HP Models

• 600HP STERNDRIVE (Race Sterndrive)

662HP Models

• 662HP STERNDRIVE (Race Sterndrive)

700HP Models

• 700HP STERNDRIVE (Race Sterndrive)

850HP Models

• 850HP STERNDRIVE (Race Sterndrive): 0M957579-0M962885

 

Looking for your Mercury engine serial number? Our helpful guide shows you exactly where serial numbers are located on different engines.

Verification & Support

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