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Universal Electric AC Compressor 20cc/r AC.100.3851 for 12V Auto Compressor for R134a

$339.00 USD $399.00 USD Save $60.00 USD
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1-Year warranty


Product Description

【Widely Used】:

A/C 12 volt electric compressor unit AC.100.3851, suitable for AC air conditioning in automobiles, trucks, and buses.Refrigerant(R134a)

✅【Control External Design】:

Electric compressor with separable controller for 12v,The air conditioner compressor separates the control panel from the main unit.

✅【High Quality】:

The main body is made of high-strength aluminum material, which is durable, rigid, and wearable. It will not crack, break, or leak.

✅【Stable and Reliable】:

The A/C compressor can provide sufficient pressure, which increases power force and decreases engine load. It dramatically improves the cooling function: and features stable efficiency, safety, and reliability.


【Item model number】

👉AC.100.3851.05


【Specification】

  • Rated Power: 600w
  • Voltage:12 Volts
  • Maximum speed: 2300 rpm
  • Control Type: 3 Gear
  • Btu Value: 1700
  • Refrigerant: R134a
  • Refrigeration oil: POE oil RL68H/120ml
  • Power Source: Corded Electric
  • Housing material: aluminum alloy

📦Included Components:

Universal AC Electric Compressor With Straight Fittings


🔍Troubleshooting:

1. If the compressor shuts down within 20 seconds of startup, check if the power line is properly connected, if the fuse screws are properly tightened, and if there is oxidation at the battery terminals. Use sandpaper to clean and reconnect. A 20-second shutdown is generally a power issue, especially for units used over a year, where terminal corrosion may occur.

2. If the shutdown occurs after 2 to 3 minutes, it is generally due to high system pressure (e.g., overfilled refrigerant, system blockage, condenser dust accumulation causing poor heat dissipation, or electronic fan malfunction).

3. Test with power-saving or energy-saving modes, which use less current and typically avoid over current protection. If these modes function without issue, the controller and internal unit are likely fine, and other causes should be checked.

4. Three quick flashes, pause for one second: Locked rotor protection: Troubleshooting: Generally due to mechanical failure of the compressor or poor power connection causing insufficient current to the controller.

5. Four quick flashes, pause for one second: Under voltage protection: Troubleshooting:1. Check if the battery is genuinely under voltage and needs charging;2. If under voltage occurs at startup, check for poor power connections.

3. Adjust the panel under voltage value if the wiring is too long (controller under voltage value is 19.5V).

6. Six quick flashes, pause for one second: Electronic fan fault: Troubleshooting: Check if the electronic fan is working or if there is any disconnection or short circuit in the fan wiring.

7. Seven quick flashes, pause for one second: Motor phase loss: Troubleshooting: Check if the compressor motor is properly connected or burned out. 8. Eight quick flashes, pause for one second: Compressor temperature protection: Troubleshooting: Check if the compressor is overheating or if the temperature sensor is properly connected. Short-circuit the temperature sensor for testing.

9. Nine quick flashes, pause for one second: System pressure switch protection: Troubleshooting: Check if the system pressure is too high or directly short-circuit the pressure switch for testing.


❣️Notice

Please check the part number/model/make/year carefully before purchasing to ensure fitment. Any questions, feel free to contact us at any time. 

🛡️Warranty

1 Year Warranty, If you have any questions during use, please contact us feel free.

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✅ Warranty
All Fliben Auto products come with a 1-year warranty from the date of purchase. If you experience any issues during the warranty period, simply contact our support team—we’ll help with a replacement or solution as quickly as possible.
💳 Payment Options

We offer secure checkout with the following payment methods:

  • PayPal

  • Visa / MasterCard/American Express/Diners Club new/DiscoverNew/JCB/Maestro

  • Klarna (Pay in 4 installments – where available)

Your payment is securely processed. We do not store any credit card information.

🚚 Shipping Information
  • Orders are usually processed within 1–2 business days

  • Standard U.S. delivery: 3–7 business days

  • Expedited shipping: Typically delivered in 2–5 business days

Choose your preferred shipping method at checkout.

🔁 Returns & Exchanges
We accept returns within 30 days of delivery for unused items in original condition.
Please contact us before sending anything back.
👨‍🔧 Technical Support
Not sure if the part fits your vehicle?
Send us your VIN or OE number—we’ll help verify compatibility.

📩 Contact us anytime:

  • Email: flibenauto@hotmail.com

  • Live Chat: Available during business hours

  • Response time: Within 24 hours on weekdays

Frequently Asked Questions
Shipping
Do you ship internationally?
We currently ship to the United States. We look forward to expanding our shipping options in the future.
How much does shipping cost?
We provide Free Shipping on all products within the US!
Can I track my order?
Yes, once your order has been shipped, you will receive a shipping confirmation email containing a tracking number. You can use this tracking number to monitor the status of your package and estimate its delivery date.
Product
How do I choose the right parts for my car?
Usually, the applicable model of our product will be written in the details below the product. If you are not sure whether your vehicle information is accurate, you can send your VIN number to me in the live chat dialog box, and when I see I will check for you the first time if we do not reply to you timely, you can also leave your email address, I will reply you via the email.
How can I extend the lifespan of my auto parts?
Regular maintenance and inspection are key. Follow the manufacturer's recommendations for servicing, keep parts clean, avoid overloading, and choose high-quality replacement parts.
How do I know when to replace my Fuel Pump?

Here are some symptoms indicating that the fuel pump may need replacement:

  • Decreased fuel efficiency
  • Engine stalling or difficulty starting
  • Loss of power while driving
  • Unusual noise coming from the fuel tank area
How often should I replace my drive belt?
Drive belts typically last between 50,000 to 100,000 miles, but it’s important to inspect them regularly for signs of wear and tear.

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