JMP JPR-C1900 Cummins Marine Seawater Cooling Pump
The JMP Marine JPR-C1900 Engine Cooling Seawater Pump is a heavy-duty replacement pump designed for reliable raw water circulation in Cummins marine diesel engines. Built for demanding marine environments, this pump provides consistent cooling performance to help maintain proper engine operating temperatures.
Manufactured with marine-grade bronze construction and a durable non-magnetic shaft, the JPR-C1900 is engineered to withstand corrosion and continuous operation in saltwater applications. The pump uses a high-performance bronze impeller and long-life mechanical seal, ensuring dependable water flow and extended service life.
The JPR-C1900 is designed as a direct replacement for Cummins pumps 3049158 and 3074540 and the Gilkes 44955-052 pump, allowing straightforward installation without system modifications. high-capacity impeller design provides efficient seawater circulation for large displacement diesel engines commonly used in commercial marine vessels. Note: This unit does not come with the Drive Gear.
With replaceable internal components and compatibility with OEM service parts, this pump allows marine technicians to perform maintenance and rebuilds when needed, helping extend the overall lifespan of the cooling system. It is widely used in Cummins K-series marine engines, making it a dependable solution for fishing vessels, workboats, and offshore support vessels.
Key Features
- Direct replacement for Cummins 3049158 and 3074540
- Replaces Gilkes 44955-052 marine pump
- Heavy-duty marine-grade bronze pump housing
- Durable 3X series non-magnetic marine shaft
- High-capacity impeller design for strong seawater flow
- 2-inch flange ports for reliable engine cooling circulation
- Compatible with OEM service parts and rebuild kits
- Designed for continuous marine diesel engine operation
- Plug-and-play replacement pump design
- Long-life mechanical seal and corrosion-resistant components
Applications
- Cummins K19 marine engines
- Cummins KT19M engines
- Cummins KTA19M engines
- Cummins KTA19M3 / KTA19M6 engines
- Cummins KTA19-D(M) engines
- Cummins KTA19-D(M1) engines
- Commercial fishing vessels
- Tugboats and workboats
- Offshore service vessels
- Marine generator engine cooling systems
FAQs
Is the JMP JPR-C1900 a direct replacement for the Cummins OEM pump?
Yes. The JPR-C1900 is designed as a direct replacement for Cummins pump part numbers 3049158 and 3074540, as well as the Gilkes 44955-052 pump, making installation straightforward in compatible systems.
Does the JPR-C1900 pump include the drive gear?
The standard JPR-C1900 pump is typically supplied without the drive gear, which can be reused from the original pump or purchased separately.
What type of ports does the pump use?
The pump uses 2-inch flange ports for both inlet and discharge, supporting high-volume seawater flow for large marine engines.
What impeller is used in the JPR-C1900 pump?
This pump uses the JMP IMP002601 bronze impeller, which is designed for durability and reliable water circulation in marine cooling systems.
Can the pump be rebuilt instead of replaced?
Yes. The pump supports internal service kits such as major service kits and seal kits, allowing maintenance and rebuilding when components wear over time.