Top 10 AC & Refrigerator Spare Parts That Fail Most (And How to Fix Them Fast)

❄️ Introduction

Air conditioners and refrigerators are essential appliances in every home and business. But like any machine, they wear out over time—and most failures are caused by a few common spare parts.

If your AC is not cooling or your fridge is not working properly, chances are one of these parts has failed.

In this guide, we’ll cover the Top 10 most commonly failing AC & refrigerator spare parts, their symptoms, and how to fix them quickly.

🔧 1. AC Temperature Sensor (NTC Sensor)

🚨 Problem:

• AC not cooling properly
• Compressor turns ON/OFF frequently

🔍 Cause:

Faulty or damaged temperature sensor gives wrong readings.

✅ Solution:

Replace with a compatible copper tube sensor for accurate cooling control.

❄️ 2. Refrigerator Fan Motor

🚨 Problem:

• Fridge not cooling
• Freezer works but lower section doesn’t

🔍 Cause:

Fan motor failure stops airflow inside the fridge.

✅ Solution:

Install a DC 12V fan motor compatible with your model.

⚙️ 3. Washing Machine Belt

🚨 Problem:

• Drum not spinning
• Burning smell

🔍 Cause:

Worn-out or loose belt.

✅ Solution:

Replace with correct size belt for smooth operation.

🔥 4. Bimetal with Thermal Fuse

🚨 Problem:

• Excess ice buildup in fridge
• No automatic defrost

🔍 Cause:

Defrost system failure.

✅ Solution:

Replace bimetal sensor to restore auto-defrost function.

🔌 5. AC Remote Control

🚨 Problem:

• AC not responding
• Buttons not working

🔍 Cause:

Faulty or incompatible remote.

✅ Solution:

Use a compatible universal or original remote.

❄️ 6. Refrigerator Door Gasket

🚨 Problem:

• Cooling loss
• High electricity bill

🔍 Cause:

Air leakage due to loose or damaged gasket.

✅ Solution:

Replace door gasket to maintain proper sealing.

⚡ 7. Capacitor (AC & Fridge)

🚨 Problem:

• Compressor not starting
• Humming sound

🔍 Cause:

Weak or dead capacitor.

✅ Solution:

Replace with same voltage & rating capacitor.

🌀 8. Washing Machine Pulsator

🚨 Problem:

• Clothes not washing properly

🔍 Cause:

Broken or worn pulsator.

✅ Solution:

Install correct size pulsator for effective washing.

🔧 9. Gearbox (Semi-Automatic Washing Machine)

🚨 Problem:

• No spinning or agitation

🔍 Cause:

Internal gear damage.

✅ Solution:

Replace gearbox unit.

❄️ 10. Compressor Relay & Overload Protector

🚨 Problem:

• Fridge not starting
• Clicking sound

🔍 Cause:

Relay failure.

✅ Solution:

Replace relay set to restore compressor function.

💡 Expert Tips to Avoid Frequent Failures

• ✔️ Always use compatible spare parts
• ✔️ Don’t ignore small issues
• ✔️ Clean appliances regularly
• ✔️ Avoid voltage fluctuations

🛒 Where to Buy Genuine Spare Parts Online?

If you’re looking for trusted, affordable, and high-quality AC & refrigerator spare parts, choose:

👉 AtoZSpare – Your One-Stop Solution for Appliance Spare Parts in India

• ✔️ Wide range of products
• ✔️ Fast delivery
• ✔️ Trusted by technicians
• ✔️ Budget-friendly pricing

📈 Conclusion

Most appliance problems are caused by small, replaceable parts.
By identifying the issue early and using the right spare part, you can:

✔️ Save repair costs
✔️ Extend appliance life
✔️ Improve performance

Q1. Which AC part fails the most?

Temperature sensors and capacitors fail most frequently.

Q2. Why is my fridge running but not cooling?

Likely fan motor, sensor, or gas issue.

Q3. Can I replace spare parts myself?

Yes, for basic parts—but complex repairs need a technician.