Description
Air conditioning compressor SANDEN SD6V12 for Citroën Berlingo B9, C3 II, C3 Picasso, C4, C5 III, DS3, Peugeot 207, 307, 308, 508, Partner III. Removed from a 2009 Citroën Xsara Picasso. From low-mileage vehicles.
The Sanden SD6V12 is a direct-fit air conditioning compressor commonly used across many PSA Group models. This unit is suitable for professional workshops and DIY mechanics who need a reliable replacement for a failed compressor. The listing includes multiple OE and aftermarket cross-reference numbers to help you find the correct fit quickly. Ideal for restoring A/C performance in Citroën and Peugeot vehicles where the SD6V12 specification applies.
Compatibility
Typical compatible models include (but are not limited to): Citroën Berlingo B9, C3 II, C3 Picasso, C4, C5 III, DS3; Peugeot 207, 307, 308, 508, Partner III. Always verify model year and engine/A/C variant before installation.
Technical Information
- Manufacturer: Sanden
- Model: SD6V12
- Product Codes: 9684480180, 9671456680, 9800821980, 9800822280
- Additional Numbers: 6453XP, 6453QG, 6453XJ, 648714, 648715, 648722
- Common Refrigerant: R134a (used in most compatible vehicles of the era)
- Condition: Removed from a 2009 Citroën Xsara Picasso; low-mileage origin
Function And Symptoms Of Failure
The A/C compressor circulates refrigerant through the air conditioning system and is driven by the engine via the compressor clutch. When a compressor fails, common symptoms include loss of cooling, unusual noise from the compressor (grinding or rattling), visible refrigerant/oil leaks, or a seized pulley. Electrical faults in the clutch coil or mechanical wear inside the compressor are typical causes of complete failure.
Why This Part Fails Most Often
Frequent causes of compressor failure are refrigerant leaks leading to low lubrication, contamination of the A/C circuit (metal debris or moisture), seized bearings due to oil degradation, and clutch wear or coil burnout. System neglect (leaking hoses, failed dryer/desiccant) accelerates wear and can contaminate the compressor.
Installation Recommendations
- Recover refrigerant from the system with appropriate equipment before removal.
- Replace the receiver/drier (accumulator) and the expansion valve or orifice tube when fitting a new compressor to avoid contamination and moisture-related failure.
- Flush the A/C system to remove metal particles and old oil residues if contamination is suspected.
- Use the correct type and amount of compressor oil (PAG specified by vehicle manufacturer) and refill to manufacturer oil specifications.
- Replace all O-rings with new, refrigerant-compatible seals lubricated with correct oil.
- After installation, vacuum the system to check for leaks, then charge with the correct refrigerant amount and run the system to verify operation and pressures.
- Check electrical connections and belt condition; replace drive belt if worn.
For mechanics and competent DIYers this Sanden SD6V12 offers a practical replacement option for a range of Citroën and Peugeot models. The presence of multiple reference numbers in the listing helps locate the correct unit for specific vehicle variants and years.
