CATEngine Parts

315-8339 Aftercooler — Cat

This aftercooler is a heat exchanger that cools the compressed air from the turbocharger before it enters the engine cylinders, increasing air density for improved combustion efficiency. It is constructed with robust materials to withstand high temperatures and pressures, ensuring optimal cooling unlike a damaged aftercooler which can lead to reduced power. Operators may notice a significant loss of engine power, increased exhaust gas temperatures, or black smoke from the exhaust when this component is not functioning correctly.

Aftercooler – Part No 315-8339 – 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 (Charge Air Cooler)
MaterialAluminum, steel
ApplicationEngine intake air cooling
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The primary symptom of a failing aftercooler is a noticeable reduction in engine power and acceleration. If the problem persists, the engine may begin to run hotter, leading to increased exhaust temperatures and potentially black smoke. Ignoring a faulty aftercooler can result in inefficient fuel combustion, increased emissions, and potential damage to engine components due to overheating.

Installation Tip

Ensure all mating surfaces and connections are clean and free of obstructions before installing the new aftercooler. Overtightening hose clamps or mounting bolts can damage the aftercooler core or its connections, leading to leaks.

Service Note

When replacing the aftercooler, thoroughly inspect all charge air hoses, clamps, and the turbocharger for leaks or damage.