Description
Air Conditioning Compressor for Citroën and PEUGEOT vehicles.
Product Description
This Sanden SD7C16 air conditioning compressor is designed for a range of Citroën and Peugeot models and carries reference numbers commonly searched by professionals: 9684141780, 9825869180, 1342F, 6453ZS. Built for belt-driven automotive HVAC systems, it restores the cooling performance of the system by compressing and circulating refrigerant. Ideal for workshops and experienced DIY mechanics who require a reliable replacement part that matches original-fit specifications.
Key Features And Benefits
- Direct-fit replacement for many PSA group vehicles — reduces downtime in the workshop.
- Compatible with common OEM reference numbers for fast lookup (see Technical Information below).
- Restores proper refrigerant pressure and improves cabin cooling when installed correctly.
- Designed for use in belt-driven A/C systems with electrical clutch engagement.
Technical Information
- Manufacturer: Sanden
- Model: SD7C16
- Product Codes: 9684141780, 9825869180
- Additional Numbers: 1342F, 6453ZS
- Compatible Models: Citroën C4 II, Citroën C4 Picasso, Citroën C5 III, DS4, DS5, Peugeot 3008 I, Peugeot 308, Peugeot 407, Peugeot 5008 I, Peugeot 508
Function And Symptoms Of Failure
The compressor is the heart of the vehicle’s air conditioning circuit. It compresses the refrigerant vapor and circulates it through the condenser and evaporator to provide cabin cooling. Common symptoms indicating a failing compressor include reduced cooling performance, whining or grinding noises from the compressor, clutch not engaging, visible refrigerant or oil leaks, and contamination of the A/C system (metal particles in the refrigerant oil).
Why This Part Fails Most Often
Failure is typically caused by one or a combination of the following: bearing or clutch wear, internal mechanical damage due to contamination, lubricant degradation or loss, overheating, or system leaks that allow moisture to enter. Debris from a failed component can circulate and damage a replacement compressor if the system is not properly cleaned.
Installation Recommendations
Replacement should be performed by a qualified technician or an experienced DIYer with appropriate equipment. Basic recommended steps:
- Recover refrigerant using certified recovery equipment before any disassembly.
- Disconnect the vehicle battery before removing the compressor to avoid electrical damage.
- Remove drive belt and any obstructing components, unplug electrical connectors, then unbolt the compressor from its mounting.
- Replace all O-rings and seals with correctly sized, lubricated replacements.
- Flush the A/C system when metal contamination is suspected. Replace the receiver/drier or accumulator and the expansion valve if contamination is present or if the compressor has failed internally.
- Evacuate the system with a vacuum pump, verify system holds vacuum, then charge with the correct refrigerant type and specified amount of compressor oil as per vehicle specification.
- Check for leaks, then run the system to verify correct pressures and cooling performance.
Practical Tips For Mechanics And DIYers
- Always match part numbers (see Product Codes) when sourcing a replacement to ensure fitment.
- Keep the compressor upright during handling to avoid oil migration issues.
- If compressor failure was due to contamination, a single compressor replacement is insufficient — the entire refrigerant circuit must be inspected and cleaned and the receiver/drier replaced.
- Use appropriate personal protective equipment and follow local regulations for refrigerant handling.
Reason Why The Part Most Often Breaks
Most frequent causes are bearing and clutch wear or internal damage caused by system contamination and lack of proper lubrication. Neglected maintenance (leaks, moisture ingress, or running the system with incorrect oil levels) accelerates failure.
Final Notes
When ordering, use the product codes listed above to locate the correct compressor for your vehicle. Proper installation and system servicing will maximize service life and restore reliable cabin cooling.
