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The Mitsubishi 37553-28100 seawater pump can be replaced by the JMP JPR-MD65LF2 seawater pump, also compatible with Mitsubishi codes 37555-101N0 and 37553-10100, designed for marine engine cooling systems.
This seawater pump for Mitsubishi engines ensures a constant and efficient flow of seawater within the engine cooling circuit, helping maintain optimal operating temperatures even during prolonged use.
This pump is used on Mitsubishi marine engines, including:
- S6A
- S6B
- S6R
- S6R2
Thanks to its robust construction and the use of corrosion-resistant marine materials, the pump ensures reliability, long service life, and consistent performance even in demanding marine environments.
The JMP JPR-MD65LF2 seawater pump is a reliable aftermarket alternative to the original Mitsubishi pumps, ensuring direct compatibility and easy installation without modifications to the cooling system.

Gear Options (sold separately)
S6R, S6R2 engines = Gear #GEA0019 (Mitsubishi F2330-22005)
S6A3 engine = Gear #GEA0010 (Mitsubishi 42763-00200)
S6B5 engine = Gear #GEA0026 (Mitsubishi 34A53-01200)
| Impeller: | JMP 9100K |
| Minoe Repair Kit: | JSM002101 |
| Service Kit: | JSK006401 |
More Technical Specifications:
| Weight: | 22,5 kg |
| Ports Type: | 2-1/2″ Flange |
| Materials: | |
| Body:: | |
| Shaft:: | Acciaio Inox non Magnetico |
| Seal: | Mechanical |
| Maker: | Codes |
| Mitsubishi | 37553-28100, 37555-101N0, 37553-10100 |
| For Engines Type: | S6A, S6B, S6R, S6R2 |


| Dimensions: | Ø A = 128,0 mm B = 101,5 mm Ø C = 38 mm Blades N° = 12 Insert: 12 spines |