841640 Sea water pump Volvo.Penta
430; 430A; 430B, 500; 500A; 501A, 571A, AQ175A, AQ200C; AQ200D; AQ225C, AQ200D; AQ200F; 280B, AQ211A; DP-A; SP-A, AQ225D; AQ225E; AQ225F, AQ231A; AQ231B; AQ231LB, AQ260A; AQ260B; BB260A, AQ271A; AQ271B; AQ271C, AQ290A
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OEM:857451 841640 856952 3860703 Crank Mounted Sea Water Pump ，Compatible For Volvo Penta OMC V8 Engines
OJNNAVD Swap part numbers：857451 841640 856952 3860703 || Warm reminder: before purchasing, please confirm your shipping address, and make sure the product model size is correctly compatible. Any problems, please send an email, there are professionals to solve for you || Main function: Circulating coolant, transferring the heat generated by the engine to the coolant, and dissipating it through the radiator to maintain the normal operating temperature of the engine || Energy saving and stability: The cooling water pump adopts energy-saving design and a multi-stage pipeline centrifugal pump structure, which has the characteristics of high efficiency, energy saving, and stable operation || Protecting the engine: By effectively circulating the coolant, the cooling water pump helps prevent the engine from overheating, avoiding engine damage caused by high temperatures, and thus extending the service life of the engine
OJNNAVD Swap part numbers：857451 841640 856952 3860703 || Warm reminder: before purchasing, please confirm your shipping address, and make sure the product model size is correctly compatible. Any problems, please send an email, there are professionals to solve for you || Main function: Circulating coolant, transferring the heat generated by the engine to the coolant, and dissipating it through the radiator to maintain the normal operating temperature of the engine || Energy saving and stability: The cooling water pump adopts energy-saving design and a multi-stage pipeline centrifugal pump structure, which has the characteristics of high efficiency, energy saving, and stable operation || Protecting the engine: By effectively circulating the coolant, the cooling water pump helps prevent the engine from overheating, avoiding engine damage caused by high temperatures, and thus extending the service life of the engine
AP03 Compatible With Volvo Penta OMC V8 Engines Compatible With Raw Water Sea Pump 857451 841640 856952 Bronze Crankshaft Mount 3860703
CNHDCT Regularly check the status of the pump to ensure its normal operation, which can extend the service time of the entire cooling system. || The design of the pump affects the flow of the coolant, which directly affects the cooling effect of the engine. || Crankshaft belt: In designs, the water pump is usually connected to the crankshaft of the engine through the crankshaft belt. || The pump helps with heat exchange, which is the transfer of heat generated by the engine to the radiator through coolant. || Regular coolant replacement helps maintain the performance of the cooling system and reduces wear on the pump.
CNHDCT Regularly check the status of the pump to ensure its normal operation, which can extend the service time of the entire cooling system. || The design of the pump affects the flow of the coolant, which directly affects the cooling effect of the engine. || Crankshaft belt: In designs, the water pump is usually connected to the crankshaft of the engine through the crankshaft belt. || The pump helps with heat exchange, which is the transfer of heat generated by the engine to the radiator through coolant. || Regular coolant replacement helps maintain the performance of the cooling system and reduces wear on the pump.
Compatible with 841640 857451 855722 856952 856513 3860703 AP03 Raw Sea Water Pump
PKAnUN Widely applicable: Applicable to many seawater pump models, such as 841640, 857451, etc. || Efficient pumping: Ensure efficient pumping and cooling. || Accurate replacement: Replace 855722, 856952, etc. || Corrosion-resistant materials: Use -quality materials, anti-corrosion || Improved performance: Optimize seawater pump function and enhance system stability.
PKAnUN Widely applicable: Applicable to many seawater pump models, such as 841640, 857451, etc. || Efficient pumping: Ensure efficient pumping and cooling. || Accurate replacement: Replace 855722, 856952, etc. || Corrosion-resistant materials: Use -quality materials, anti-corrosion || Improved performance: Optimize seawater pump function and enhance system stability.
Number on catalog scheme: 35
Compatible models:
Volvo Penta entire parts catalog list:
500; 500A; 501A
571A
AQ175A
AQ200C; AQ200D; AQ225C; AQ225D; AQ255A; AQ255B
AQ200D; AQ200F; 280B; 290A; 290DP
AQ211A; DP-A; SP-A; 290A
AQ225D; AQ225E; AQ225F; BB225A; BB225AV; BB225B; BB225C; 275; 280B; 290A; 290DP; MS3B; MS3C; MS4A
- Cooling System
- Cooling System
- Cooling System: A
- Cooling System: B
- Cooling System: 225B
- Cooling System: 225C
- Sea Water Pump: 841640
AQ260A; AQ260B; BB260A; BB260AV; BB260B; BB260C
- Cooling System
- Cooling System: A
- Cooling System: B
- Cooling System: 260B
- Cooling System: 260C
- Sea Water Pump: 841640
AQ290A
Information:
Illustration 1 g01215059
Schematic for the engine fan reversing solenoidTest Step 1. Inspect the Electrical Connectors and the Wiring
Remove the electrical power from the ECM.
Illustration 2 g01183529
J1/P1 connector location (typical left side engine view)
Thoroughly inspect the J1/P1 ECM connectors. Inspect all of the other connectors that are in the circuit. Refer to the diagnostic functional test Troubleshooting, "Electrical Connectors - Inspect" for details.
Illustration 3 g01194451
P1 ECM connector (P1-5) Digital return (P1-10) Engine fan reversing solenoid (P1-18) Digital return (P1-46) Engine fan reverse switch (N/O) (P1-47) Engine fan reverse switch (N/C)
Illustration 4 g01215069
Machine connector (Terminal 23) Digital return (Terminal 30) Engine fan reverse switch (N/O) (Terminal 31) Engine fan reverse switch (N/C)
Perform a 45 N (10 lb) pull test on each of the wires in the ECM connector that are associated with the circuit.
Check the allen head screw of each ECM connector for the proper torque. Refer to the diagnostic functional test Troubleshooting, "Electrical Connectors - Inspect" for the correct torque values.
Check the harness and the wiring for abrasion and for pinch points.Expected Result:All connectors, pins, and sockets are completely coupled and inserted. The harness and wiring are free of corrosion, of abrasion, and of pinch points.Results:
OK - The harness and wiring appear to be OK. Proceed to Test Step 2.
Not OK - There is a problem in the connectors and/or wiring.Repair: Repair the problem that has been found with the connectors and/or the wiring. If necessary, replace any damaged components. Ensure that all of the connector seals are properly in place and ensure that the connectors are completely coupled. Verify that the repair eliminates the problem.STOPTest Step 2. Verify Operation of the Engine Fan Reverse Switch
Connect Caterpillar Electronic Technician (ET) to the service tool connector.
Restore the electrical power to the ECM.
Use Cat ET to check the status of the engine fan reverse switch while you operate the switch.Expected Result:The status changes accordingly as you operate the switch.Results:
OK - The status changes accordingly with the switch position. The switch circuit is OK. Proceed to Test Step 3.
Not OK - The status does not change with the switch position. There may be a problem with the switch. Proceed to Test Step 5.Test Step 3. Check the Circuit for Continuity
Remove the electrical power from the ECM.
Disconnect the J1/P1 ECM connector.
Measure the resistance between P1-10 and P1-18 on ECM connector P1.Expected Result:The resistance measures 36.6 1.6 Ohms.Results:
OK - The resistance measures 36.6 1.6 Ohms.Repair: There may be an intermittent problem. The problem may have been related to a faulty connection in the harness or in a connector. Carefully inspect the connectors and the wiring. Refer to the diagnostic functional test Troubleshooting, "Electrical Connectors - Inspect".STOP
Not OK - The resistance does not measure 36.6 1.6 Ohms. Proceed to Test Step 4.Test Step 4. Check the Engine Fan Reversing Solenoid
Disconnect the harness connector for the engine fan reversing solenoid.
Measure the resistance between terminal 1 and terminal 2 at the connector for the engine fan reversing solenoid. Measure the resistance of the coil of the engine fan reversing solenoid.Expected Result:The resistance measures 36.6 1.6 Ohms.Results:
OK - The resistance measures 36.6 1.6 Ohms.Repair: There is a problem in the harness between the ECM and the connector for the engine fan reversing solenoid. The problem may be related to a faulty connection in the harness or in a wire. Carefully inspect the connectors and the wiring. Refer to the diagnostic functional test Troubleshooting, "Electrical Connectors - Inspect".STOP
Not OK - The resistance does not measure 36.6 1.6 Ohms.Repair: Replace the engine fan reversing solenoid.STOPTest Step 5. Short the Harness at the Engine Fan Reverse Switch
Remove the electrical power from the ECM.
Fabricate a jumper wire that is long enough to short circuit two terminals of the harness connector for the engine fan reverse switch. Crimp connector pins to each end of the jumper wire.
Install the jumper wire between terminal 3 (engine fan reverse switch (N/O)) and terminal 2 (digital return) on the harness side of the connector for the engine fan reverse switch.
Restore the electrical power to the ECM.
Check the status of the engine fan reverse switch on Cat ET.The correct status of the switch is "On".
Remove the electrical power from the ECM.
Install the jumper wire between terminal 3 (engine fan reverse switch (N/C)) and terminal 2 (digital return) on the harness side of the connector for the engine fan reverse switch.
Restore the electrical power to the ECM.
Check the status of the engine fan reverse switch on Cat ET.The correct status of the switch is "Off".
Remove the electrical power from the ECM.Expected Result:The status changes correctly on Cat ET.Results:
OK - The status changes correctly.Repair: There is a problem with the switch. Replace the switch. Verify that the repair eliminates the problem.STOP
Not OK - The status does not change correctly. There is a problem in the wiring between the switch and the ECM. There may be a problem with the ECM. Proceed to Test Step 6.Test Step 6. Check the Operation of the Engine Fan Reverse Switch at the ECM
Remove the electrical power from the ECM.
Disconnect the J1/P1 ECM connector.
Fabricate three jumper wires that are long enough to connect terminals at the ECM connector. Crimp a connector pin to one end of each of the wires.
Remove the wire from terminal location P1-46 (engine fan reverse switch (N/O)) of the ECM connector. Install a jumper wire into this terminal location.
Remove the wire from terminal location P1-47 (engine fan reverse switch (N/C)) of the ECM connector. Install a jumper wire into this terminal location.
Remove the wire from terminal location P1-5 (digital return) of the ECM connector. Install a jumper wire into this terminal location.
Connect the J1/P1 ECM connector.
Parts sea Volvo Penta:
856952
855722
855722 Sea water pump
430; 430A; 430B, 571A, 740A; BB740A, AQ205A; AQ205LB, AQ225D; AQ225E; AQ225F, AQ260A; AQ260B; BB260A, AQ271A; AQ271B; AQ271C, AQ311A; AQ311B, BB231A; BB261A
857451
856513
835958
826456
826456 Sea water pump
AQ200C; AQ200D; AQ225C, AQ200D; AQ200F; 280B, AQ225D; AQ225E; AQ225F, AQ260A; AQ260B; BB260A, AQ290A