Compressor DCP99504 Denso - AZ44541
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Product Information
Full details
The Denso Compressor DCP99504 is designed for automotive air conditioning systems, particularly for commercial vehicles and agricultural machinery. It offers reliable performance, leveraging Denso's OE quality and Japanese engineering. A key benefit is its direct replacement capability for OE number AZ 44541. The main caveat is that it requires specific handling for refrigerant R 134a and oil fill.
All features
| Model Part Number | DCP99504 |
|---|---|
| Brand | Denso |
Extended Product Information
FAQs
What type of refrigerant does this compressor use?
This Denso DCP99504 compressor is designed for use with R 134a refrigerant.
Is the compressor pre-filled with oil?
Yes, the compressor comes pre-filled with 160 ml of ND-8 compressor oil.
What is the OE number this compressor replaces?
This compressor is intended as a replacement for OE number AZ 44541.
Can this compressor be used on passenger cars?
This compressor is specifically designed for Commercial Vehicles (CV) and special purpose vehicles like agricultural machinery, not typically for standard passenger cars.
What are the physical dimensions of the compressor?
The compressor has a length of 208 mm, a height of 128 mm, and weighs approximately 7880 g.
What is the belt pulley diameter?
The belt pulley diameter is 130 mm.
Does Denso offer a warranty on this part?
Please refer to Denso's official warranty policy or the retailer's terms for specific warranty information, as it can vary by region and vendor.
Troubleshooting
Compressor not engaging
Check electrical connections to the magnetic clutch, ensure proper system pressure, and verify the 12V supply. A faulty clutch or low refrigerant level can prevent engagement.
AC system not cooling effectively
Verify the correct refrigerant charge and oil level. Check for blockages in the AC system (e.g., expansion valve, receiver drier) and ensure the condenser is clean and free of debris.
Noises coming from the compressor
Unusual noises (grinding, rattling) may indicate internal damage or insufficient lubrication. Check oil level and condition. If noises persist, the compressor may need replacement.
Compressor clutch slipping
Inspect the clutch for wear or damage. Ensure proper belt tension. The air gap on the clutch may need adjustment.
Pros and Cons
Pros
- Direct replacement for OE number AZ 44541.
- High-quality construction from a reputable manufacturer (Denso).
- Designed for demanding commercial and agricultural vehicle applications.
- Comes pre-filled with the correct type and amount of compressor oil.
- Includes magnetic clutch for straightforward installation.
Cons
- Specific to R 134a refrigerant, not compatible with newer refrigerants.
- Requires professional installation due to refrigerant handling and system charging.
- Weight (7880g) and dimensions may require specific mounting considerations.
- Manufacturer restrictions apply for John Deere applications, requiring careful verification.
Setup, Compatibility & Care
Compatibility Verification: Before installation, verify that your vehicle's OE part number matches AZ 44541 and that the application is listed under DENSO or JOHN DEERE (with noted restrictions). Ensure your system uses R 134a refrigerant. The compressor operates at 12V and has a 130 mm belt pulley diameter.
Installation: Installation of an automotive air conditioning compressor requires specialized knowledge and tools. It is highly recommended to have this component installed by a certified automotive technician.
- System Evacuation: The existing refrigerant must be safely recovered using approved equipment.
- Component Replacement: Remove the old compressor and install the new Denso DCP99504. Ensure all mounting bolts are torqued to specification.
- Oil Check: While the compressor is pre-filled with 160 ml of ND-8 oil, a technician should verify the system's oil level after installation and flush if necessary.
- System Leak Check: Perform a vacuum test to ensure no leaks in the system.
- Refrigerant Recharge: Charge the system with the correct amount and type of R 134a refrigerant according to the vehicle manufacturer's specifications.
Care: Regular maintenance of the vehicle's air conditioning system, including periodic checks for leaks and proper refrigerant levels, will help ensure the longevity of the compressor. Avoid operating the system if a refrigerant leak is suspected.