CATEngine Parts

276-3814 Refrigerant A C Compressor — Cat 330D 336D

This is a high-performance air conditioning compressor, essential for the climate control system in heavy equipment. It is engineered to meet CAT's rigorous performance and durability standards, ensuring efficient cooling even under demanding operating conditions, unlike a worn compressor that may produce insufficient cooling or seize entirely. Operators will notice a lack of cold air, unusual noises from the AC system, or increased drag on the engine when this component fails.

Refrigerant A C Compressor – Part No 276-3814 – 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.

WhatsApp for Price & Availability☎ Call Mumbai Office

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

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Related CAT Parts

From the same category — may also be needed

211-1381
A C Condenser
8e-8304
Thrust Disc
496-9845
Air Filter
6e-6412
Hydraulic Piston Pump
111-3302
Swing Cylinder Seal Kit
133-5106-1w-6551
Turbo Tv8106 Turbocharger

Browse all CAT Engine Parts →

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Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

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 TypeRefrigerant A/C Compressor
MaterialAluminum Alloy
ApplicationAir Conditioning System
Service LifeInspect refrigerant levels and listen for noise
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial symptoms of a failing AC compressor include reduced cooling efficiency or intermittent operation of the air conditioning. As the compressor degrades, it may produce loud noises, leak refrigerant, or cause the AC system to fail entirely. Continued operation with a faulty compressor can lead to overheating of the AC system and potential damage to other components, resulting in a loss of operator comfort and productivity.

Installation Tip

Proper evacuation and charging of the AC system with the correct refrigerant type and amount are critical before and after installation. Ensure the compressor clutch engages smoothly without excessive noise or slipping.

Service Note

When replacing the AC compressor, it is highly recommended to replace the receiver-drier and expansion valve/orifice tube, and flush the system to remove any contaminants.