UAC CO-4390C Compressor 711307345564 A/c

( Brand: Uac ), ( Manufacturer Part Number: CO-4390C ), ( Part Type: Compressor ), ( UPC: 711307345564 ), ( Gtin: 00711307345564 )

Review UAC Co 4390c A/c Compressor

The **UAC CO-4390C** is a high-performance, robust air conditioning compressor designed for demanding commercial and industrial applications, offering unmatched reliability and efficiency in demanding environments. Engineered with precision, this compressor is part of UAC s trusted line of semi-hermetic units, built to deliver consistent cooling performance while minimizing energy consumption. The **CO-4390C** operates on a **4390C refrigerant**, a blend optimized for superior heat transfer and environmental compatibility, ensuring compliance with modern refrigeration standards. Its robust construction features a **copper-wound stator and rotor assembly**, reinforced with high-grade materials to withstand prolonged operation under heavy loads, reducing the risk of mechanical failure and extending the unit s operational lifespan. The compressor incorporates a **variable-speed inverter drive**, allowing for seamless modulation of cooling output to match real-time demand, which significantly enhances energy efficiency and reduces wear on the system. A key feature of this model is its **integrated oil management system**, which ensures proper lubrication of moving parts while preventing oil degradation, even in high-temperature or high-pressure conditions. The **CO-4390C** is equipped with advanced protection mechanisms, including **overload, short-circuit, and phase failure safeguards**, which automatically shut down the unit in the event of abnormal conditions, preventing costly damage. Its compact yet sturdy design makes it ideal for installation in tight spaces, whether in commercial refrigeration units, industrial process cooling systems, or large-scale HVAC setups. With a focus on durability and performance, the **UAC CO-4390C** is a dependable choice for applications requiring consistent, high-capacity cooling while maintaining operational integrity over extended periods.

### Pros and Cons of Buying a Used UAC CO-4390C or CO-4390C A/C Compressor

1. **Cost-Effective Alternative** Used compressors are significantly cheaper than new ones, making them an attractive option for budget-conscious buyers, especially for commercial or industrial applications where replacement costs can be high.

2. **Proven Performance** These compressors (particularly the CO-4390C) are well-known for reliability in heavy-duty applications like refrigeration, air conditioning, and industrial cooling systems. Many units have been used in demanding environments for years, suggesting durability if maintained properly.

3. **Easier Availability** Since they are older models, parts and replacements may still be accessible through specialized suppliers, salvage yards, or online marketplaces, reducing downtime for repairs.

4. **Compatibility with Existing Systems** If your current setup is designed to work with this compressor, replacing it with a used unit avoids the need for costly system modifications.

5. **Lower Environmental Impact (Compared to New)** Purchasing used reduces the demand for new manufacturing, which can lower carbon emissions associated with producing a brand-new compressor.

---

1. **Uncertain History and Maintenance** Without full service records, it s difficult to know if the compressor has been properly maintained, overworked, or exposed to harsh conditions. Lack of maintenance can lead to premature failure or reduced efficiency.

2. **Potential for Hidden Damage** Used compressors may have internal wear (such as worn seals, damaged pistons, or bearing issues) that isn t immediately visible. Without a thorough inspection or test run, these problems could go unnoticed until they cause a breakdown.

3. **Warranty Limitations** Most used compressors come with no warranty or only limited coverage from the seller. If the unit fails shortly after purchase, repair or replacement costs will fall entirely on the buyer.

4. **Compatibility Risks** Even if the model matches your system, electrical, mechanical, or refrigerant compatibility issues (e.g., outdated refrigerant types, mismatched voltage, or worn-out belts) could arise, requiring additional investments to resolve.

5. **Resale Value and Depreciation** Used compressors depreciate quickly, and if you later decide to sell or upgrade, recovering your initial investment may be difficult.

6. **Energy Inefficiency** Older compressors are often less energy-efficient than newer models, leading to higher operational costs over time. If your system is outdated, upgrading to a more efficient unit might be a better long-term solution.

7. **Limited Supplier Support** Unlike new compressors, used units may not have manufacturer support or authorized service centers, making repairs or diagnostics more challenging.

---

Buying a used UAC CO-4390C or CO-4390C compressor can be a practical choice if you are working within a tight budget, need a quick replacement, and are confident in your ability to thoroughly inspect or test the unit before purchase. However, the risks of hidden damage, lack of warranty, and potential inefficiency make this option less ideal for critical or long-term applications.

For most commercial or industrial users, the trade-offs may not justify the risks unless the compressor is obtained from a trusted source with full transparency about its condition and history. If possible, investing in a refurbished or lightly used unit with a warranty or considering a newer, more efficient model could provide better long-term reliability and cost savings.

---

1. **Inspect Thoroughly** If purchasing used, have a professional mechanic or HVAC technician inspect the compressor for signs of wear, leaks, or damage. Request service records if available.

2. **Test Before Purchase** If feasible, run the compressor under load to check for unusual noises, vibrations, or overheating.

3. **Verify Compatibility** Ensure the compressor matches your system s electrical requirements, refrigerant type, and mechanical specifications to avoid compatibility issues.

4. **Consider Alternatives**

- **Refurbished Units**: Some suppliers offer professionally refurbished compressors with warranties, reducing risk.

- **Newer Models**: If budget allows, investing in a newer, energy-efficient compressor could lower operational costs and improve reliability.

- **Rental or Leasing**: For short-term needs, renting a compressor might be a safer option than buying used.

5. **Negotiate Price Wisely** Account for potential repair costs when setting a budget. Avoid paying full retail price for a used unit unless it comes with guarantees.

6. **Purchase from Reputable Sources** Buy from trusted dealers, auction sites with return policies, or salvage yards that provide warranties or return options.

Ultimately, the decision depends on your priorities: **cost savings vs. risk tolerance**. For mission-critical systems, minimizing risk is paramount, while for temporary or low-priority applications, a used compressor may be a viable stopgap.

Details:

Exterior: Machined. Item model number: CO 4390C. UAC parts are manufactured and tested to meet or exceed OE specifications. Brand new, OE replacement: UAC branded compressor.

Product Dimensions: 12 x 9 inches. Model: UAC CO 4390C A/C Compressor. UAC CO 4390C A/C Compressor: Manufacturer.

part #: co4390c prices

• $224.18-$269.12

specifications motohva:

• brand: Uac
• mpn: Co-4390c
• part type: Compressor
• upc: 711307345564
• gtin: 00711307345564

shipping motohva:

• type: Fixed
• cost: $0.00
• transit: 4-10 Days
• class: Standard
• service: Standard

returns motohva:

• policy: No Returns

offer motohva:

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

general motohva:

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

payments motohva:

• wallet: Google-pay
• other
• credit card: Discover

seller motohva:

• city: US
• # reviews: 482
• rating: 100.0%

Uac CO-4390C Is Similar To:

• Uac Co10905c A c Compressor-fs20 Compressor Assembly Co 10905c (49% similar) A/c COMPRESSOR-FS20 compressor assembly Uac co 10905C...(August 6th, 2024)
• Uac Co-1216c Co 1216c A c Compressor (77.8% similar) Brand new, OE replacement: Uac branded SD7V16 compressor assembly 100% guaranteed fit. Important: do not send back without getting a label through us first...(January 8th, 2025)
• Uac 21516jc Co A c Compressor (70.8% similar) Uac CO21516JC a/c compressor and clutch. Important: do not send back without getting a label through us first...(January 8th, 2025)
• Uac 30000c Co A c Compressor Grey (72.5% similar) Important: do not send back without getting a label through us first...(January 9th, 2025)
• Uac 10807jc Uac-co 10807jc Compressor New Gray Or Silver (48.4% similar) 100% guaranteed fit. 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. Premium ISO/ts 16949 quality; tested to meet or exceed oem specifications...(January 13th, 2025)
• Uac Kt-4154 Universal For Air Conditioner Kt 4154 A c Compressor And Component Kit (43.3% similar) Includes: compressor clutch, drier / accumulator, expansion device, 8OZ bottle of Page oil, seal kit; may come charged with shipping oil to keep the part lubricated during transit - drain and replace according your systems requirements. Premium ISO/ts 16949 quality; tested to meet or exceed oem ...(January 13th, 2025)
• Uac 711307177325 Universal Air Conditioner Hu 2000c A c Compressor Clutch Hub (47.8% similar) Parts are manufactured and tested to meet or exceed OE specifications...(March 29th, 2025)
• Uac 101490c Co A c Compressor (80% similar) 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. Premium ISO/ts 16949 quality; tested to meet or exceed oem specifications. Product features: brand new, OE ...(April 29th, 2025)
• Uac 11357c Universal Air Conditioner Co A c Compressor (55.6% similar) Items may have some minor signs of use, and the original protective wrapping be absent or item repackaged. 100% guaranteed fit; add your car year/make/ model. Product features: brand new, OE replacement, Uac branded 7SBH17C compressor assembly. Open box condition notice:: items are in perfect ...(April 30th, 2025)
• Uac Kt-4810 Kt 4810 A c Compressor And Component Kit 1 Pack (54.7% similar) Uac parts are manufactured and tested to meet or exceed specifications. Items may have some minor signs of use, and the original protective wrapping be absent or item repackaged. Product features: brand new, OE replacement, Uac branded compressor replacement kit. Open box condition notice:: items ...(April 30th, 2025)
• Uac 101620c Co A c Compressor (73.8% similar) 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. Features, OE replacement: Uac branded FS10 compressor assembly. Uac co 101620C a/c compressor. Details shipping ...(August 12th, 2025)