JMP Marine JPR-CT3508 Caterpillar Engine Cooling Pump
The JMP Marine JPR-CT3508 is a heavy-duty replacement seawater pump designed for reliable marine engine cooling in demanding environments. Built with a rugged marine-grade bronze body and high-performance bronze impeller, this pump delivers consistent seawater flow to maintain proper engine operating temperatures.
Designed as a direct replacement for Caterpillar raw water pumps, the JPR-CT3508 replaces multiple OEM pump numbers while maintaining full compatibility with existing mounting and plumbing connections. Its durable construction and marine-grade shaft ensure long service life even in harsh saltwater conditions.
The pump is engineered for high-capacity seawater circulation, making it ideal for commercial vessels, workboats, fishing boats, and large diesel-powered yachts using Caterpillar marine engines. With internally compatible service parts and rebuild kits available, maintenance is straightforward and cost-effective.
Whether you're replacing a worn cooling pump or upgrading from an OEM unit, the JMP JPR-CT3508 provides dependable cooling performance and long-term durability for marine diesel engines.
Key Features
- Heavy-duty marine grade bronze pump body
- High-performance bronze impeller for efficient seawater flow
- Marine grade non-magnetic shaft for durability
- Designed as a direct replacement for Caterpillar OEM pumps
- Compatible with genuine internal service parts
- Built for continuous marine engine cooling operation
- Long-life mechanical seal and replaceable wear components
- High flow capacity for large diesel engines
- Easy installation with plug-and-play replacement design
Replaces OEM Pump Numbers
- Caterpillar 7C3614
- Caterpillar 5N2600
- Caterpillar 0R7721
- Gilkes 44953-054
Applications
Compatible with Caterpillar marine engines including:
- Caterpillar 3408
- Caterpillar 3408B
- Caterpillar 3412
- Caterpillar 3412C
- Caterpillar 3412D
- Caterpillar 3412E
- Caterpillar 3508 / 3508B / 3508C
- Caterpillar 3512 / 3512B
- Caterpillar 3516B
Typical uses include:
- Marine diesel engine cooling systems
- Raw water circulation for engine heat exchangers
- Commercial vessels and fishing boats
- Offshore service vessels
- Large recreational yachts
FAQs
What does the JPR-CT3508 seawater pump do?
The pump circulates seawater through the engines cooling system, removing heat from the engine and preventing overheating during marine operation.
Is the JPR-CT3508 a direct replacement for Caterpillar pumps?
Yes. The pump is designed as a direct replacement for several Caterpillar raw water pumps, including 7C3614 and 5N2600, allowing straightforward installation.
What material is the pump made from?
The pump body is made from marine-grade bronze with a bronze impeller and a corrosion-resistant shaft designed for seawater environments.
Does the pump include the drive gear?
No. The drive gear is not included and must be reused from the original pump or purchased separately.
Are replacement parts available for this pump?
Yes. Service kits and replacement components such as impellers, seals, and bearings are available to extend the life of the pump.
What type of vessels use this pump?
This pump is commonly used in commercial fishing vessels, workboats, offshore vessels, and large yachts powered by Caterpillar marine diesel engines.
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