JMP sea water pumps compatible with Caterpillar marine engines. View the available models and the main Caterpillar, Jabsco, Sherwood and Gilkes OEM references to quickly identify the correct pump.

JMP: JPR-CT0150

Product: Sea Water Pump
Application: Caterpillar
Compatible Engines: C1.5, C2.2
Caterpillar OEM Pump Codes: 4255421, 425-5421
JMP Impeller Code: 7100-01
JMP Cam Set: CAMSET0053
Major Repair Kit JMP: JSK0168
Minor Repair Kit JMP: JSM0168
Compatibility Note: Major and minor kits can also be used to service the OEM Caterpillar pump, but the OEM CAT mechanical seal must be used when servicing the genuine pump.

JMP: JPR-CT0440

Product: Sea Water Pump
Application: Caterpillar / Perkins
Compatible Engines: Caterpillar C4.4, Perkins M92B
Caterpillar OEM Pump Codes: 4255412, 425-5412
Jabsco Pump Code: 29630-1201
Perkins Pump Code: W100006
Alternative Jabsco Pump Code: 29630-1101
Drive Gear: 33 teeth
JMP Impeller Code: 7400-01
Major Repair Kit JMP: JSK0143
Minor Repair Kit JMP: JSM0143
Compatibility Note: The alternative Jabsco pump 29630-1101 can be replaced only if the drive gear has 33 teeth.
Service Note: When servicing an original OEM pump with JMP repair kits, use the original CAT mechanical seal 4204328.

JMP: JPR-CT3530

Product: Sea Water Pump
Application: Caterpillar
Compatible Engines: D336, D343, D353 C/D/E
Caterpillar OEM Pump Code: 3N1888
Jabsco Pump Code: 17360-1001
JMP Impeller Code: 8300-01
Major Repair Kit JMP: JSK0026
Minor Repair Kit JMP: JSM0005
Compatibility Note: Internal parts are compatible with the genuine pump.

JMP: JPR-CT1800R

Product: Sea Water Pump
Application: Caterpillar
Compatible Engines: C18 Series
Caterpillar OEM Pump Codes: 1318272, 131-8272, 1968895, 196-8895, 3754703
Sherwood Pump Codes: G2902X, G2902-01, G18082X
Drive Gear: 40 teeth
JMP Impeller Code: 8359-01
JMP Cam Liner Set: CAMSET0032
Major Repair Kit JMP: JSK0139
Minor Repair Kit JMP: JSM0139
Compatibility Note: Internal parts are compatible with Sherwood G2902X / G2906X, but the repair kits must not be used to service the older G18082X.
Important Note: G18082X uses a 14-spline impeller drive, while G2902X uses a 10-spline drive.

JMP: JPR-CT3306

Product: Sea Water Pump
Application: Caterpillar
Compatible Engines: 3304, 3304B, 3306, 3306B, D330C
Port Type: 1 1/2″ Flange
Caterpillar OEM Pump Codes: 5N9357, 2533459
Caterpillar Impeller Code: 5N9360
Jabsco Pump Codes: 17810-1300, 17810-1000
Jabsco Replacement Note: 17810-1000 was replaced by 17810-1300.
Jabsco Impeller Code: 17935-0001
JMP Impeller Code: 8100-01
Major Repair Kit JMP: JSK002901
Minor Repair Kit JMP: JSM0007
Compatibility Note: Internal parts are compatible with the genuine pump.

JMP: JPR-CT3406

Product: Sea Water Pump
Application: Caterpillar
Compatible Engines: 3406, 3406B, 3406C
Port Type: 2″ Flange
Caterpillar OEM Pump Codes: 3N4851, 3N4852, 5N4852
Caterpillar Impeller Code: 3N4859
Jabsco Pump Codes: 17970-0100, 17970-0000
Jabsco Replacement Note: 17970-0000 was replaced by 17970-0100.
Jabsco Impeller Code: 17370-0001
JMP Impeller Code: 8300-01
Major Repair Kit JMP: JSK002601
Minor Repair Kit JMP: JSM0005
Compatibility Note: Internal parts are compatible with the genuine pump.

JMP: JPR-CT3054

Product: Sea Water Pump
Application: Caterpillar / Perkins
Compatible Engines: Caterpillar 3054, 3056; Perkins M92B
Drive Gear: 28 teeth
Caterpillar OEM Pump Codes: 4255411, 425-5411
Jabsco Pump Code: 29630-1301S
Perkins Pump Code: W100000
JMP Impeller Code: 7400-01
Major Repair Kit JMP: JSK0142
Minor Repair Kit JMP: JSM0142
Service Note: When servicing an original OEM pump with JMP repair kits, use the original CAT mechanical seal 4204328.

JMP: JPR-S7632

Product: Sea Water Pump
Application: Caterpillar
Compatible Engines: 3116, 3126, 3126B, C7, C9
Port Type: 1 3/4″ Flange
Caterpillar OEM Pump Codes: 4P7168, 113-1109, 152-8392, 167-4252, 170-6116, 353-7979
Caterpillar Impeller Code: 7E0321
Sherwood Pump Codes: P1710, P1710-01, P1710-02, P1710-04, P1710A, P1710C, P1710X, P1726, P1726X, P1732-01, P1732-02, P1732A, P1732C, P1732X
Sherwood Replacement Note: P1726X was replaced by P1732C.
JMP Impeller Code: 7608-01
Sherwood Impeller Code: 17000K
Major Repair Kit JMP: JSK0072
Minor Repair Kit JMP: JSM0002
Compatibility Note: Internal parts are not fully compatible with the genuine pump.
Important Impeller Note: Do not use Sherwood impeller 27000 in the JMP pump. Use JMP 7608-01.

JMP: JPR-CT1200R

Product: Sea Water Pump
Application: Caterpillar
Compatible Engines: C12, 3176, 3196
Port Type: Flange Ports
Caterpillar OEM Pump Codes: 3596661, 1230471, 1971328
Sherwood Pump Codes: G2904X, G18071X, G18071, G18071-01
Sherwood Replacement Note: G2904X replaces G18071.
JMP Impeller Code: 8359-01K
Major Repair Kit JMP: JSK0138
Minor Repair Kit JMP: JSM0138
Compatibility Note: Internal pump parts are compatible with the OEM pump.

JMP: JPR-CT3200R

Product: Sea Water Pump
Application: Caterpillar
Compatible Engine: C32
Port Type: Flange
Caterpillar OEM Pump Codes: 3228594, 1477850, 2127264
Sherwood Pump Code: G3001X
JMP Impeller Code: 8459-01K
Major Repair Kit JMP: JSK014001
Minor Repair Kit JMP: JSM0140
Compatibility Note: Internal pump parts are compatible with the OEM pump.

JMP: JPR-CT3412

Product: Sea Water Pump
Application: Caterpillar
Compatible Engines: 3408, 3408B, 3408C, 3412, 3412C, 3412D
Port Type: 2″ Flange
Caterpillar OEM Pump Codes: 7C3613, 3N7790, 0R7720
Caterpillar Pump Group Reference: 3N8561
Gilkes Pump Codes: 44951-032, 44951-028, 44951-012
Caterpillar Impeller Code: 3N8449
Gilkes Impeller Code: 3155-223
JMP Bronze Impeller Code: IMP0026
Major Repair Kit JMP: JSK0124
Seal Service Kit JMP: JMK0002
Compatibility Note: Internal parts are compatible with the genuine pump.
Important Note: 3N8561 is the Caterpillar sea water pump group reference and includes the pump together with other components.

JMP: JPR-CT3508

Product: Sea Water Pump
Application: Caterpillar
Compatible Engines: 3408, 3408B, 3412, 3412C, 3412D, 3412E, 3508, 3508B, 3508C, 3512, 3512B, 3516B
Caterpillar OEM Pump Code: 7C3614
Previous Caterpillar Pump Code: 5N2600
Caterpillar Remanufactured Pump Code: 0R7721
Gilkes Pump Code: 44953-054
Caterpillar Impeller Code: 5N2618
JMP Bronze Impeller Code: IMP0063
Major Repair Kit JMP: JSK0125
Seal Service Kit JMP: JMK0002
Compatibility Note: Internal parts are compatible with the genuine pump.

Maintenance and replacement of Caterpillar seawater pumps

Caterpillar seawater pumps require periodic inspections to ensure proper operation of the cooling system.
Checking the condition of the impeller, mechanical seal and pump housing helps prevent reduced flow rates and overheating of the marine engine.
Timely replacement with compatible JMP Caterpillar seawater pumps ensures operational continuity, reduces downtime and maintains engine efficiency over time.

Caterpillar seawater pumps are a key component in ensuring the efficiency of the cooling system in marine propulsion engines.
Choosing a high-quality compatible pump means ensuring a constant seawater flow, maintaining stable operating temperatures and preventing overheating that could compromise engine performance.

The solutions offered by Scandiesel, official JMP distributor, ensure direct compatibility with the main Caterpillar marine engine models, meeting OEM technical standards.
Thanks to corrosion-resistant materials and a design developed for demanding marine environments, Caterpillar seawater pumps guarantee reliability, durability and operational continuity.

For marine workshops, shipyards and professional operators, choosing JMP-compatible Caterpillar pumps means relying on immediate availability, original spare parts and qualified technical support for safe replacement without structural modifications.

JMP Caterpillar Sea Water Pumps