CATEngine Parts

286-6911 Aftercooler — Cat D6K PL61

This is a CAT Aftercooler, a critical component of the engine's air management system that cools the compressed air charge from the turbocharger before it enters the cylinders. It is built to meet rigorous OEM standards for heat dissipation and durability, providing more efficient cooling than a clogged or leaking aftercooler. Operators might observe a noticeable loss of engine power, increased exhaust smoke, or higher engine operating temperatures when this part is failing.

Aftercooler – Part No 286-6911 – 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 TypeEngine Aftercooler
MaterialAluminum and steel construction
ApplicationEngine air intake system
Service LifeReplace based on inspection or performance issues
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing aftercooler typically presents as a gradual decrease in engine power and responsiveness. If left unaddressed, this can lead to increased fuel consumption and potential overheating, stressing other engine components. Continued operation with a compromised aftercooler risks reduced engine efficiency and accelerated wear.

Installation Tip

Thoroughly clean the mounting surfaces and ensure all air intake connections are properly sealed to prevent leaks. Do not overtighten hose clamps, as this can damage the connection points.

Service Note

Inspect all associated air intake hoses and clamps for cracks or leaks, and clean the radiator and oil cooler cores for optimal airflow.