Strengthen Your Marine Maintenance Routine with the JPR-SE7109 JMP Marine Small Engine Cooling Pump

March 19, 2026

When it comes to marine maintenance, keeping your cooling system operating efficiently is one of the most important steps in protecting your engine. For vessels relying on small engine systems, a dependable raw water pump is essential to maintaining proper temperature control and preventing costly damage caused by overheating.

The JPR-SE7109 JMP Marine Small Engine Cooling Raw Water Pump is designed to deliver consistent cooling performance while simplifying routine marine maintenance. Built as a direct replacement for the Sherwood G909, this pump offers a reliable, easy-to-install solution for technicians and boat owners looking to upgrade or replace aging cooling components.

Whether you're performing scheduled marine maintenance or addressing reduced cooling efficiency, the JPR-SE7109 provides a durable and dependable option for maintaining optimal engine performance.

Engineered for Marine Performance & Durability

The JPR-SE7109 is built with the demands of real-world marine maintenance in mind. Every component is designed to withstand harsh marine environments while delivering long-lasting performance.

Key features include:

• Strong bronze marine-grade impeller housing, offering superior corrosion resistance in both saltwater and freshwater conditions

• Marine-grade non-magnetic shaft, designed for durability and long-term wear resistance

• Marine-grade bronze cam, providing added strength under continuous operation

• Mechanical seal, helping prevent leaks and maintain system integrity

• High-performance flexible impeller (JMP 7172-01K), ensuring efficient and consistent water flow

With compact dimensions of 115mm x 91mm x 78mm and a weight of approximately 2.65 lbs (1.2 kg), this pump is ideal for installations where space is limited but reliability is critical.

Designed for Preventive Marine Maintenance

A strong marine maintenance program focuses on prevention—and the JPR-SE7109 supports that approach with a service-friendly design.

The pump features an O-ring seal at the end cover, allowing for faster and more reliable servicing compared to traditional gasket systems. This design helps reduce maintenance time while improving sealing performance.

To support long-term upkeep, the pump is compatible with:

• Major Service Kit (JSK0201) – includes all internal components for full rebuilds

• Minor Service Kit (JSM0114) – ideal for routine maintenance and quick repairs

While the pump is not internally compatible with genuine OEM components, internal design improvements have been implemented to enhance overall performance and durability—making it a strong choice for proactive marine maintenance planning.

A Direct Replacement You Can Rely On

Replacing the Sherwood G909, the JPR-SE7109 offers a straightforward, direct-fit installation that simplifies maintenance procedures. Its 3/8" NPT (pipe) threaded ports ensure secure connections within your marine cooling system, helping maintain consistent water flow where it matters most.

For marine technicians and boat owners, having a reliable replacement pump reduces downtime and keeps maintenance schedules on track.

Reliable Cooling for Everyday Marine Operation

From recreational boating to light-duty commercial use, maintaining proper cooling is essential to engine longevity. The JPR-SE7109 supports consistent performance by ensuring your cooling system operates efficiently under everyday conditions.

By incorporating a high-quality raw water pump into your routine marine maintenance, you can reduce the risk of overheating, extend engine life, and improve overall vessel reliability.

JMP MARINE… “THE ONLY ONE.”