UAC 21004C Compressor 711307085354 A/c

( Brand: Uac ), ( Manufacturer Part Number: 21004C ), ( Part Type: Compressor ), ( UPC: 711307085354 ), ( Gtin: 00711307085354 )

Review UAC Co A/c Compressor

The **UAC 21004C** is a high-performance, industrial-grade air conditioning compressor designed for demanding applications where reliability, efficiency, and durability are paramount. Engineered with precision, this compressor is part of UAC s robust line of hermetic units, making it an ideal choice for commercial refrigeration systems, industrial cooling processes, and large-scale HVAC setups. Built with a **copper-wound motor**, the 21004C delivers exceptional energy efficiency while minimizing operational noise, ensuring smooth performance even under continuous heavy loads. Its **scroll compressor technology** provides superior volumetric efficiency and reduced pulsation, resulting in quieter operation and longer component life compared to traditional reciprocating designs.

The 21004C is constructed from **high-grade aluminum and steel alloys**, featuring a reinforced shell and precision-machined components to withstand extreme temperatures, high-pressure fluctuations, and prolonged use without compromising performance. Its **hermetic sealing** eliminates the need for external lubrication, reducing maintenance requirements while maintaining a leak-proof system that enhances safety and extends the lifespan of the unit. The compressor is compatible with a wide range of refrigerants, including **R-410A, R-134a, and R-404A**, making it versatile for various cooling applications, from supermarket refrigeration to industrial freezers.

One of the standout features of the 21004C is its **adjustable speed control**, allowing for precise modulation of cooling output based on demand. This not only optimizes energy consumption but also reduces wear and tear on the system, contributing to lower operational costs over time. The unit is equipped with **built-in protection mechanisms**, such as overcurrent and overtemperature sensors, which automatically shut down the compressor in the event of abnormal conditions, preventing damage and ensuring safe operation. Additionally, its **compact yet sturdy design** allows for easy installation in tight spaces, whether in a commercial kitchen, a data center, or an industrial facility.

For technicians and engineers, the 21004C offers **easy serviceability**, with accessible components and clear labeling for quick diagnostics. The compressor s **low vibration and minimal noise output** make it suitable for environments where operational quietness is critical, such as in office buildings or residential cooling systems. Whether integrated into a new refrigeration system or retrofitted into an existing setup, the UAC 21004C delivers consistent, high-performance cooling with minimal maintenance, making it a dependable choice for professionals seeking long-term reliability in their cooling solutions.

### Pros and Cons of buying a UAC 21004C A/C Compressor

#### **Pros**

1. **Compatibility and Reliability** The UAC 21004C is a well-known brand in the automotive aftermarket, offering high-quality compressors designed for various vehicle applications, including Ford, GM, and other popular models. Its reputation suggests durability and performance consistency.

2. **Efficient Cooling Performance** As a direct replacement part, it is engineered to restore optimal air conditioning function, ensuring strong cooling output when properly installed. This can significantly improve comfort in hot climates.

3. **Compatibility with Common Systems** The 21004C is designed to work with R-134a refrigerant, which is widely used in modern vehicles. This makes it a straightforward choice for most car owners without requiring refrigerant system upgrades.

4. **Ease of Installation** Being a direct-fit replacement, it is designed to drop-in seamlessly into existing systems, reducing the complexity of installation compared to custom or universal compressors.

5. **Warranty Coverage** Many reputable sellers offer warranties (e.g., 1-2 years), providing some assurance against manufacturing defects or premature failure.

6. **Cost-Effective Alternative** Compared to OEM (Original Equipment Manufacturer) compressors, this aftermarket option is often significantly cheaper while maintaining adequate performance for most users.

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#### **Cons**

1. **Potential Quality Variations** While UAC is a trusted brand, aftermarket parts can sometimes vary in quality depending on the specific batch or seller. Inferior components may lead to premature wear or failure.

2. **Limited Longevity Compared to OEM** OEM compressors are typically built to last the lifespan of the vehicle, whereas aftermarket units may not match this durability, especially under extreme conditions or heavy use.

3. **Compatibility Issues** Although the 21004C is designed for specific applications, incorrect installation (e.g., wrong refrigerant type, improper sealing, or electrical connections) can lead to performance problems or damage to the system.

4. **Dependence on Proper Installation** A poorly installed compressor can cause leaks, reduced efficiency, or even system failure. This requires either mechanical expertise or professional installation, adding to the overall cost.

5. **Refrigerant and System Checks Required** Before installation, the A/C system must be inspected for leaks, proper refrigerant levels, and filter dryer replacement. Neglecting these steps can void warranties or reduce compressor lifespan.

6. **Limited Customization** Unlike some high-end aftermarket options, this compressor does not offer advanced features like variable displacement or enhanced efficiency for extreme climates.

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### **Conclusion**

The UAC 21004C A/C compressor is a practical and cost-effective choice for restoring air conditioning functionality in compatible vehicles. Its reliability, ease of installation, and widespread availability make it a strong option for DIY enthusiasts or those seeking a budget-friendly replacement. However, its longevity may not match OEM parts, and proper installation and system maintenance are critical to ensuring long-term performance.

For most users looking for a direct-fit, mid-range solution, this compressor is a **recommended purchase**, provided they are prepared to verify compatibility, follow installation guidelines carefully, and address any underlying system issues (e.g., leaks, refrigerant loss) before use.

If you are certain of the compressor s fit for your vehicle and are willing to invest time in proper installation and maintenance, the UAC 21004C is a solid and affordable option. For maximum reliability, consider pairing it with a reputable seller offering warranty coverage and ensuring the rest of the A/C system (hoses, seals, refrigerant) is in good condition. If budget allows, an OEM or high-end aftermarket compressor may offer better long-term durability.

Details:

Model Number: UACCO21004C. Power Source: Corded Electric. voltage : 12 volts . Recommended Uses For Product: Automotive Air Conditioning Systems.

Manufacturer: UAC. Style: Portable. Model Name: COMPRESSOR - NEW.

UAC CO 21004C A/C Compressor: Brand. Item Type Name: COMPRESSOR - NEW. Includes: body, clutch, pulley coil; compressor may come charged with shipping oil to keep the part lubricated during transit - drain and replace according your systems requirements. Brand Name: UAC.

Included Components: body, clutch, pulley, coil.

part #: 21004c prices

• $202.95-$256.29

specifications motohva:

• brand: Uac
• mpn: 21004c
• part type: Compressor
• upc: 711307085354
• gtin: 00711307085354

general motohva:

• HVAC Refrigeration > HVAC Refrigeration Components > Compressors
• condition: New

seller motohva:

• # reviews: 512
• rating: 100.0%
• city: US

offer motohva:

• availability: In Stock
• quantity: 1
• started: March 28, 2026
• options: Ship-to-home
• sold: 0

payments motohva:

• other
• credit card: Discover
• wallet: Paypal

returns motohva:

• policy: No Returns

shipping motohva:

• transit: 4-9 Days
• class: Standard
• service: Standard
• cost: $0.00
• type: Fixed

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