A/C Failing on Your Hyundai or Mercedes with Denso 6SE/7SE? Fix It for $54.
The A/C compressor control solenoid for Denso 6SE and 7SE compressors (Hyundai, Mercedes-Benz) — OEM 5Q0820803K — regulates compressor displacement and refrigerant flow. A failed solenoid causes weak A/C output, erratic compressor cycling, or complete A/C failure.
✓ What You Get: Denso 6SE / 7SE A/C compressor control solenoid (OEM 5Q0820803K) for Hyundai and Mercedes-Benz — restores full A/C cooling.
What's Included
- 1× Denso 6SE / 7SE A/C compressor control solenoid
- O-ring seal(s)
Why Replace?
- Restores Cooling: Failed solenoid reduces compressor displacement and refrigerant output.
- Stops Cycling Faults: Faulty valve causes rapid A/C compressor engage/disengage.
- Saves $250+ vs Compressor: New Denso compressor $300+; solenoid fix costs $54.
- 30-Minute Job: Remove front cover, swap solenoid, reassemble.
Vehicle Compatibility
| Make | Application | Compressor / OEM |
|---|---|---|
| Hyundai | Various — verify compressor model | Denso 6SE / 7SE / 5Q0820803K |
| Mercedes-Benz | Various — verify compressor model | Denso 6SE / 7SE / 5Q0820803K |
About This Control Valve
Denso 6SE / 7SE A/C compressor control solenoid (OEM 5Q0820803K) for Hyundai and Mercedes-Benz variable-displacement compressors. The solenoid controls swash plate angle and refrigerant displacement — it is the first component to replace before condemning the compressor on Denso 6SE/7SE platforms.
⚠ Verify Before Ordering: Confirm your compressor is a Denso 6SE or 7SE and OEM 5Q0820803K matches before purchasing.
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Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings