CORE AS-AFTERCOOLER 3966884 - Caterpillar

3966884 CORE AS-AFTERCOOLER Caterpillar parts

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Alternative (cross code) number:
CA3966884
396-6884
3966884

Weight: 61 pounds 27 kg.

Buy CORE AS-AFTERCOOLER 3966884 Caterpillar genuine, new aftermarket tractor parts with delivery

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Oil Cooler Cover 3966884 for Cummins Engines 6CT

$199.00

22 Nov 2025

CN: maanshangejunji

Oil Cooler Cover 3966884 for Cummins Engines 6CT
MASGJJX Part Number:3966884 || Applicable models: Fit for Cummins Engines 6CT || Safety: 100% Tested Before Shipping to Ensure Product Safety, Stability and Durability. || Function: High-quality material for long-lasting durability. Perfect match for the original car and easy to install || TIPS: Please be sure to compare carefully with photos and check part number before buying items, If you are not sure this part is suitable, please feel free to contact us, we'll reply you as soon as possible.

RDLIFT-PART Oil Cooler Cover 3974324 3974326 Compatible for Cummins Engine 6CT 4B3.9 6B5.9 6C8.3 G8.3 N14 QSC8.3

$165.00

31 Aug 2025

CN: RDLIFT-PART

RDLIFT-PART Oil Cooler Cover 3974324 3974326 Compatible for Cummins Engine 6CT 4B3.9 6B5.9 6C8.3 G8.3 N14 QSC8.3
RDLIFT-PART ????????Part Number:3974324 3974326 || ????????Application：Compatible for Cummins Engine 6CT 4B3.9 6B5.9 6C8.3 G8.3 N14 QSC8.3 || ????????Order Include:1xOil Cooler Cover || ????????Condition: New || ????????Warrantly :6 Months || ????????note：Our products offer extremely high cost performance. You only need to pay half the price of the original factory parts, yet you can enjoy the same performance as the original parts. All of our products are of excellent quality.

3974324,3974326,3966884,5450365 Oil Cooler Cover Compatible With Cummins 6CT 4B3.9 6B5.9 6C8.3 B3.3 G8.3 QSC8.3 Engines

$269.99

13 Aug 2025

CN: NNISIT

3974324,3974326,3966884,5450365 Oil Cooler Cover Compatible With Cummins 6CT 4B3.9 6B5.9 6C8.3 B3.3 G8.3 QSC8.3 Engines
NNISIT Compatible models：Compatible With Cummins 6CT 4B3.9 6B5.9 6C8.3 B3.3 G8.3 QSC8.3 Engines || Replacement Number：3974324,3974326,3966884,5450365 || Pressure regulation function: Some oil cooler caps are designed with a pressure relief valve that can automatically release pressure when the oil pressure is too high to prevent system damage || High thermal conductivity: Assists in heat dissipation and improves oil cooling efficiency || Designed as a direct replacement for the original oil cooler - no modification is required.Ensure stable performance and secure installation.

Number on catalog scheme: 1

Caterpillar 3966884 Parts scheme CORE AS-AFTERCOOLER

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Information:

The Electronic Control Module (ECM) detects an abnormal fuel filter differential pressure. Information on default settings and ranges for this event can be found in troubleshooting with an event code Troubleshooting, "Event Codes".System Response:The event code will be logged.Possible Performance Effect:E390(1)
There are no performance effects.E390(2)
The ECM will derate power.Troubleshooting:The fuel filter element may need to be replaced.Test Step 1. Replace the Fuel Filter Element
Replace the fuel filter element. Refer to the Operation and Maintenance Manual.
Restart the engine and check for an active event code. Expected Result:The event code is no longer active.Results:
OK - The event code is no longer active.STOP
Not OK - The event code is active.Repair: Perform the diagnostic functional test Troubleshooting, "Fuel Filter Differential Pressure Switch Circuit - Test".STOP