BRACKET AS 3966841 - Caterpillar

3966841 BRACKET AS Caterpillar parts

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Alternative (cross code) number:
CA3966841
396-6841
3966841

Weight: 0.92 pounds 0 kg.

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Worldthump Engine Water Pump, 3966841 3286293 3804927 4089647 4309418 1pc Water Pump Replacement for Cummins C8.3 6CT 6CT 6L ISL ISC QSC QSL Engine 8.3L

$130.99

13 Aug 2025

CN: CHENGDU XIANGNI

Worldthump Engine Water Pump, 3966841 3286293 3804927 4089647 4309418 1pc Water Pump Replacement for Cummins C8.3 6CT 6CT 6L ISL ISC QSC QSL Engine 8.3L
Worldthump Part Number: The reference part number of Engine water pump is 3966841, 3286293, 3804927, 3940052, 3973114, 4089647, 4309418, 4376359, 4930477, 5291445. Please check carefully whether the part number of the product is consistent with your vehicle. || Applicable Model: Water pump assembly is replacement for Cummins C8.3 6CT 6CT 6L ISL ISC QSC QSL Engine 8.3L. To avoid unnecessary returns, please confirm the product's adaptation information before placing an order. || Product Function: Water pump is designed and produced by a professional factory with excellent performance. The water pump can circulate pressurized coolant between the engine and the radiator, taking away the heat generated by combustion and preventing the engine from overheating. || Sturdy Material: Water pump is made of high-quality metal material, precision-processed, solid structure, high hardness, impact resistance, not easy to damage, high temperature resistance, long service life. || Direct Replacement: Automotive replacement engine water pumps are produced with original specifications, perfectly matched with your vehicle, and can directly replace the old one. Professional installation is highly recommended.

3966841 6741-61-1530 3802081 6742-01-5038 3357458 water pump Compatible with Cummins Diesel Engine 6CT 6C9-11 6CT 6CTA 8.3

$120.00

05 Aug 2025

CN: Fikowjs-Machine

3966841 6741-61-1530 3802081 6742-01-5038 3357458 water pump Compatible with Cummins Diesel Engine 6CT 6C9-11 6CT 6CTA 8.3
Fikowjs TIP: Please purchase according to the old part number, appearance is not able to judge the accuracy of the product. || Product Name:Water Pump || Part number:3966841 6741-61-1530 3802081 6742-01-5038 3357458 || Application:Compatible with Cummins Diesel Engine 6CT 6C9-11 6CT 6CTA 8.3 || NOTE: There are many kinds of products in Fikowjs parts, if you can't find the part number you need, please consult us, we will reply soon!

YRWNAKUS Water Pump 3925540 3926914 3800975 3966841 Compatible with Cummins Engine 8.3L 2300CC 6C 6CT 6CTA 6CT8.3 6CTA8.3

$161.18

24 Jul 2025
0.1102[0.05] Pounds
CN: PianCuoSh123

YRWNAKUS Water Pump 3925540 3926914 3800975 3966841 Compatible with Cummins Engine 8.3L 2300CC 6C 6CT 6CTA 6CT8.3 6CTA8.3
YRWNAKUS ⭐ It can effectively cool the engine and ensure its normal operation. || ⭐ It has good durability and reliability and can work stably for a long time. || ⭐ Can provide enough water pressure to ensure the normal operation of the cooling system. || ⭐ Made of high quality materials, it has excellent wear resistance and corrosion resistance. || ⭐ Low noise during operation, which will not interfere with the working environment and operators.

Number on catalog scheme: 1

Caterpillar 3966841 Parts scheme BRACKET AS

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Information:

Illustration 1 g02351983
Schematic for the Neutral Flow Bypass solenoid This diagnostic code is for theNeutral Flow Bypass solenoid. An FMI 05 indicates the machine ECM has determined the solenoid circuit current is above normal. The possible causes of this diagnostic code are listed:
The solenoid has failed.
The power wire for the solenoid is shorted to ground.
The machine ECM may have failed, but is unlikely. Note: Poor connections are often the cause of a problem in electrical circuits. Before performing this procedure, inspect all the machine harnesses and connectors involved in the circuit. Make sure to verify that all of the connections in the circuit are clean, secure, and in good condition. Correct any problems found with any of the connections. Verify the diagnostic code CID 1118 FMI 06 is still active, before continuing with this procedure.Note: The following test procedure may create other diagnostic codes. Ignore these created diagnostic codes now, but clear those codes when the original diagnostic code has been corrected. Test Step 1. CHECK THE SOLENOID.
Turn the disconnect switch and the key start switch to the OFF position.
Disconnect the harness connector from the Neutral Flow Bypass solenoid.
Turn the disconnect switch and the key start switch to the ON position.
Observe the status of the CID 1118 FMI 06 code.Expected Result:The diagnostic code does not change and stays active.Results:
YES - The diagnostic code does not change, and stays active. The circuit is correct. Go to Test Step 2.
NO - The CID 1118 FMI 06 code is no longer active, and has changed to an active CID 1118 FMI 05 code. The solenoid has failed.Repair: Replace the solenoid. Go to test step 3.Test Step 2. CHECK THE SOLENOID POWER WIRE FOR A SHORT.
Turn the key start switch and the disconnect switch to the OFF position.
The solenoid remains disconnected from the machine harness.
Disconnect both the J1 and J2 harness connectors from the machine ECM.
At the J2 ECM harness connector, measure resistance from contact J2-66 (wire P955-BU) to all contacts that are used in both the J1 and J2 ECM harness connectors. Expected Result:Each resistance measurement is greater than 5000 ohms.Results:
YES - Each resistance measurement is greater than 5000 ohms. The machine harness is correct. Go to Test Step 3.
NO - Each resistance measurement is not greater than 5000 ohms. There is a short in the machine harness. The short is between J2-66 (wire P955-BU) and the circuit with the low resistance measurement.Repair: Repair the machine harness or replace the machine harness. Go to Test Step 3.Test Step 3. CHECK THE DIAGNOSTIC CODE STATUS.
Reconnect all harness connectors. Make sure that the connectors are fully seated. Observe that the clips on each connector are securely fastened.
Turn the disconnect switch and the key start switch to the ON position.
Clear all inactive diagnostic codes.
Operate the machine.
Check the status of the CID 1118 FMI 03 diagnostic code.Expected Result:The CID 1118 FMI 03 diagnostic code is not active.Results:
YES - The CID 1118 FMI 03 diagnostic code is not active and does not exist at this time.