CATCooling System

1115059 Core As-Aftercooler — Cat 3508 3516

This is a replacement aftercooler core, a critical component of the engine's air management system responsible for cooling the compressed air before it enters the cylinders. Manufactured to meet rigorous performance specifications, it offers a reliable alternative to a worn or leaking core that compromises charge air density. Operators may observe a loss of engine power, increased exhaust smoke, or higher operating temperatures when this aftercooler core is failing.

Core As-Aftercooler – Part No 1115059 – CAT Spare Part
Part Specifications
BrandCAT
CategoryCooling System
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

Flush cooling system with distilled water before refilling. Use pre-mixed coolant — never plain water, which causes corrosion. Pressure-test system after any cooling repair. Check thermostat by immersing in hot water — should open at rated temperature.

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, Steel
ApplicationEngine Turbocharged Air Cooling
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing aftercooler core may include a noticeable reduction in engine power and an increase in exhaust smoke. If the leak progresses, engine operating temperatures can rise, and fuel efficiency may decrease. Continued operation with a compromised aftercooler core can lead to reduced engine performance and potential internal engine damage.

Installation Tip

Thoroughly clean the sealing surfaces on the engine block and the aftercooler housing before installing the new core. Ensure all new gaskets and O-rings are properly seated to prevent air or coolant leaks.

Service Note

Inspect the turbocharger and intake manifold gaskets for any signs of leaks or damage when replacing the aftercooler core.