8M0122655 Raw Sea Water Pump 46-8M0139995 for MerCruiser Mercury Quicksilver

Raw Sea Water Pump for MerCruiser

This raw sea water pump, referencing 8M0122655 and 46-8M0139995, moves cooling water through your engine, helping regulate operating temperature on the water.

Overview

This raw sea water pump is a replacement cooling component built for MerCruiser and Mercury Quicksilver applications. The sea water pump circulates raw water through the cooling system to help control engine temperatures under load. It suits boat owners and marine mechanics handling routine pump service.

Built For Performance

• Housing engineered to route raw water through the cooling circuit
• Seals designed to resist salt and fresh water exposure
• Impeller chamber sized to match factory pump dimensions
• Corrosion-resistant internal surfaces for marine conditions
• Direct-fit mounting pattern for the listed applications

Fits These Machines

• for MerCruiser sterndrive and inboard marine engines
• for Mercury Quicksilver cooling systems

On-The-Job Use

• Routine cooling system service and pump replacement
• Saltwater and freshwater boating
• Engine overheat diagnostics and repair
• Seasonal maintenance before launch

Specs At A Glance

Good To Know

Q: Is this an original MerCruiser part? A: This is an aftermarket replacement pump cross-referenced to the listed part numbers, not an OEM MerCruiser unit. Confirm your engine model and pump number before ordering.

Q: Will this pump fit my engine? A: Fitment depends on your engine serial number and existing pump configuration. Compare your current pump numbers against the numbers listed here before purchase.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.