CATEngine Parts

7n6668 Core A Oil — Cat 966A 966B

This oil core is a heat exchanger designed to regulate the temperature of lubricating oil within the engine or hydraulic system, ensuring optimal operating conditions. It is manufactured to meet stringent performance specifications, providing efficient heat transfer and durability superior to a clogged or damaged oil core. Operators may notice elevated oil temperatures, reduced system performance, or increased wear on components when this oil core begins to fail.

Core A Oil – Part No 7n6668 – 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 TypeOil Core (Heat Exchanger)
MaterialAluminum or Copper Alloy
ApplicationEngine Lubrication or Hydraulic System
Service LifeReplace as needed based on inspection and performance
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial symptoms of a failing oil core may include a gradual increase in oil temperature readings during operation. If left unaddressed, this can lead to overheating of the oil, reduced lubrication effectiveness, and potential damage to engine or hydraulic components. Continued operation with an inefficient oil core risks accelerated wear and reduced lifespan of critical machinery parts.

Installation Tip

Ensure all oil passages leading to and from the oil core are thoroughly cleaned and free of any obstructions before installation. Do not overtighten the fittings, as this can damage the core's connections.

Service Note

Inspect the engine or hydraulic oil for contamination and consider replacing the oil filter when servicing or replacing the oil core.