Product Introduction C5683487 Air Conditioning Compressor is the power core of the cab cooling system for vehicles equipped with ISZ14 diesel engine. Driven by engine belt power, it compresses low-temperature gaseous refrigerant into high-pressure gas, enabling heat exchange inside the condenser to realize refrigeration and lower cab temperature in hot weather. This aftermarket replacement unit resolves weak cooling capacity, abnormal metallic rattling and refrigerant leakage caused by damaged internal swash plate assembly, worn bearing and aging shaft seal of original compressors. Stable cooling performance creates a comfortable driving environment for long-haul truck drivers operating under high-temperature working conditions.
Product Advantages Robust aluminum housing features lightweight structure and excellent heat dissipation. Precision swash plate mechanism delivers smooth variable displacement adjustment and reduces idle load. High-quality shaft seal effectively locks refrigerant inside and prevents pressure loss. Each compressor undergoes pressure holding and continuous operation aging testing before shipment, standard pulley and port layout for seamless matching with original vehicle AC pipelines.
| Item | Parameter |
|---|---|
| Part Number | C5683487 |
| Product Name | Air Conditioning Compressor |
| Matching Engine | ISZ14 |
| Material | Aluminum Alloy Housing + Internal Swash Plate Assembly |
| Feature | Refrigerant Compression, Cab Cooling, Stable Displacement |
| MOQ | Negotiable |
| Application | Truck Cab Air Conditioning Refrigeration Loop |
Applicable Models Fit for heavy-duty commercial vehicles with ISZ14 engine, widely used for highway freight transport vehicles equipped with belt-driven air conditioning.



FAQ
Q1: What effect will insufficient refrigerant have on the AC compressor?
A1: Low refrigerant cannot take away heat properly and may lead to overheating and internal seizure.
Q2: Is it necessary to replace the drier filter when installing a new AC compressor?
A2: It is recommended to replace the receiver drier together to capture residual moisture and impurities.
Q3: Why should we avoid engaging the AC when the engine is hard to start?
A3: The compressor adds extra load, which may worsen cold startup difficulty for the diesel engine.