CATEngine Parts

22-47820-000 Freightliner A C Compressor — Cat 3126B Engine

This A/C compressor is the heart of the vehicle's air conditioning system, responsible for circulating refrigerant and creating cool air. Manufactured to meet stringent quality standards, it ensures efficient cooling and system longevity, unlike a worn compressor that may leak refrigerant or fail to build adequate pressure. Operators may notice a lack of cool air, unusual noises from the compressor pulley, or a burning smell when this unit begins to fail.

Freightliner A C Compressor – Part No 22-47820-000 – 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 TypeA/C Compressor
MaterialAluminum alloy and steel
ApplicationAir conditioning system
Service LifeReplace based on performance testing, typically 5,000-7,000 hrs
CompatibilityCAT 22-47820-000
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing A/C compressor is typically a reduction in cooling performance or intermittent blowing of warm air. If the issue progresses, the compressor may start making loud grinding or rattling noises, or the clutch may fail to engage. Continued operation with a faulty compressor can lead to system contamination and potential damage to other expensive A/C components.

Installation Tip

Thoroughly flush the A/C system to remove any debris or old refrigerant oil before installing the new compressor to prevent internal damage. Ensure the correct type and amount of refrigerant oil is added to the compressor as specified by the manufacturer.

Service Note

When replacing the A/C compressor, it is essential to replace the receiver-drier or accumulator and flush the entire A/C system.