CATUndercarriage

145670-3501 Air Conditioner Controller — Cat 325D 330D

This is an Air Conditioner Controller, a vital electronic module responsible for managing the cabin climate control system in compatible Caterpillar excavators. Manufactured to meet precise OEM specifications, it ensures reliable operation and accurate temperature regulation, unlike a faulty controller that may exhibit erratic behavior. Operators may experience a complete lack of cooling, intermittent operation, or inability to adjust temperature settings when this controller fails.

Air Conditioner Controller – Part No 145670-3501 – CAT Spare Part
Part Specifications
BrandCAT
CategoryUndercarriage
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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

src="/assets/js/product-page.js">

Related CAT Parts

From the same category — may also be needed

0994129
Undercarriage Component
3T9049
Undercarriage Component
1178774
Undercarriage Component
7G8282
Undercarriage Component
4N8225
Pulley-Alternator
8e-4416
Track Shoe

Browse all CAT Undercarriage →

Installation & Application Notes

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeAir Conditioner Controller
MaterialElectronic Components, Plastic
ApplicationCabin Climate Control System
Service LifeReplace as needed based on diagnostic testing
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most common symptom is the air conditioning system failing to operate or responding erratically to commands. If left unaddressed, the operator's comfort and ability to concentrate can be severely impacted, especially in hot conditions. Prolonged failure can lead to discomfort and potential heat-related issues for the operator, affecting productivity.

Installation Tip

Always disconnect the machine's battery before attempting to replace the electronic controller to prevent short circuits. Ensure all electrical connectors are securely seated to maintain proper system communication.

Service Note

When replacing the AC controller, it is recommended to check the cabin air filter and the refrigerant charge level for optimal system performance.