JMP JPR G6400 Detroit Diesel Replacement Seawater Pump
The JMP JPR G6400 is a heavy duty, direct fit seawater pump engineered as a reliable replacement for Detroit Diesel pump models 23525078 and 8927296. Designed for long service life and consistent cooling performance, it supports major Detroit Diesel marine engines including 12V71TI, 12V92TA, 16V149TA, and Series 149 .
Built with marine grade bronze construction, a high performance neoprene impeller (JMP 9000 01K), and 2" flange ports, this pump delivers strong raw water flow to protect high output engines under demanding conditions. Internal components are fully compatible with OEM specifications, ensuring smooth installation and dependable operation without modification .
Whether replacing a worn OEM unit or upgrading to a more robust aftermarket option, the JPR G6400 offers the durability, cooling efficiency, and fitment accuracy required for commercial, recreational, and heavy duty marine applications.
Key Features
- Heavy duty replacement for Detroit Diesel 23525078 and 8927296 pumps
- Replaces Jabsco 18780 0001 and 18780 models
- Compatible with Detroit Diesel 12V71TI, 12V92TA, 16V149TA, Series 149 engines
- Uses JMP 9000 01K neoprene impeller for strong cooling flow
- 2" flange inlet and discharge ports for high volume seawater movement
- Marine grade bronze body and heavy duty internal components
- Fully compatible with OEM internal parts for easy servicing
Applications
- Marine engine raw water cooling
- Commercial vessels running Detroit Diesel 71, 92, and 149 Series engines
- High demand environments requiring continuous cooling flow
- Replacement for aging or failing OEM seawater pumps
- Preventive maintenance upgrades for long range or heavy load operations
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