CATEngine Parts

7w-5455 Aftercooler Core — Cat 3512 3516

This is an aftercooler core, a critical component of the engine's air management system that cools the intake air charge before it enters the cylinders. It is manufactured to meet stringent OEM quality standards, ensuring superior heat dissipation compared to a worn or corroded unit. Symptoms of a failing aftercooler core include a noticeable loss of engine power, increased exhaust smoke, and potentially overheating.

Aftercooler Core – Part No 7w-5455 – 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 or Copper Alloy
ApplicationEngine Intake Air Cooling
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A significant reduction in engine performance and power output is often the first sign of an aftercooler core issue. If left unaddressed, the engine may begin to run hotter, leading to increased fuel consumption and exhaust emissions. Continued operation with a compromised aftercooler can lead to premature wear on engine components due to inefficient combustion.

Installation Tip

Ensure all mounting surfaces are clean and free of debris before installing the new core to guarantee a proper seal. Avoid overtightening mounting bolts, which can distort the core or damage the sealing surfaces.

Service Note

Inspect the engine's cooling system hoses and clamps for any signs of wear or leakage when replacing the aftercooler core.