CATEngine Parts

2w-6593 Aftercooler Core — Cat 3412 990

This is a CAT Aftercooler Core, a vital component of the engine's air intake system responsible for cooling the compressed air charge before it enters the cylinders. Manufactured to OEM standards, it ensures optimal air density for improved combustion efficiency and engine power. Operators may notice a significant loss of engine power, increased exhaust smoke, or higher operating temperatures when the aftercooler core begins to leak or become clogged.

Aftercooler Core – Part No 2w-6593 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeAftercooler Core
MaterialAluminum alloy
ApplicationEngine air intake system
Service LifeReplace when performance degrades or leaks are detected
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial symptoms of a failing aftercooler core include a noticeable reduction in engine power and possibly increased exhaust smoke. If the core develops leaks or becomes severely restricted, the engine may overheat, run rough, or experience a significant drop in fuel efficiency. Continued operation with a compromised aftercooler can lead to reduced engine performance and potential internal damage.

Installation Tip

Ensure all sealing surfaces on the engine block and intake manifold are perfectly clean and free of old gasket material before installing the new core. Do not overtighten the mounting bolts, as this can distort the core and cause leaks.

Service Note

Inspect and clean the turbocharger, charge air piping, and intake manifold, and check all associated seals and gaskets during aftercooler core replacement.