CATEngine Parts

245-7837 A C Expansion Valve — Cat C13 C18

This A/C expansion valve is a vital component of the vehicle's air conditioning system, regulating refrigerant flow into the evaporator. It is manufactured to meet high-performance standards, offering reliable operation compared to a worn or clogged valve. Operators may experience a significant drop in cooling performance, inconsistent cabin temperatures, or the A/C system blowing warm air when this valve malfunctions.

A C Expansion Valve – Part No 245-7837 – 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 Expansion Valve
MaterialBrass and aluminum
ApplicationAir conditioning system
Service LifeReplace when A/C performance degrades
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing expansion valve is typically a noticeable reduction in the air conditioning system's cooling capacity. If not addressed, the system may begin to blow warm air intermittently or constantly, and the compressor may cycle improperly. Continued operation risks system damage due to incorrect pressures and temperatures.

Installation Tip

Ensure all system connections are clean and free from debris before installing the new valve to prevent contamination. Avoid bending or stressing the refrigerant lines excessively during installation.

Service Note

It is recommended to replace the A/C system's receiver-drier or accumulator along with the expansion valve to ensure system integrity.