Description
A/C Compressor Denso 6SEL16 For Citroën And Peugeot
This Is A Used Part
Illustrative Photo
Product Overview
The Denso 6SEL16 A/C compressor is a direct-fit replacement used unit designed for various Citroën and Peugeot models. Supplied as a complete compressor assembly, it restores refrigerant compression and circulation in the vehicle air conditioning system. Ideal for professional mechanics and experienced DIY enthusiasts looking for a reliable spare part by part number (447190-8122 / 9826268480 / 6453WH).
Technical Information
- Manufacturer: Denso
- Model: 6SEL16
- Product Codes: 447190-8122; 9826268480; 6453WH
- Additional Numbers: 6SEL16
Compatibility And Fitment
Commonly fitted to a range of PSA vehicles. Examples include:
- Citroën Berlingo B9
- Citroën C4
- Citroën C5 II
- Citroën C5 III
- Peugeot 308
- Peugeot Partner III
- Peugeot 407
- Peugeot 607
Features And Function
The compressor is the heart of the A/C system. Driven by the engine accessory belt and engaged via an electromagnetic clutch, it compresses low-pressure refrigerant gas into a high-pressure, high-temperature state to allow heat exchange in the condenser. Proper operation depends on adequate lubrication, clean refrigerant, and a functioning clutch and bearings.
Common Failure Reasons
Typical causes of compressor failure include:
- Wear Of Internal Bearings And Clutch Leading To Noise Or Seizure
- Oil Loss Or Incorrect Lubrication Causing Excessive Friction
- System Contamination (Metal Debris Or Moisture) Damaging Internal Components
- Refrigerant Leaks Causing Overheating Or Starvation Of The Compressor
- Electrical Faults At The Clutch Or Connector Preventing Engagement
Installation Recommendations
Follow these general steps and precautions for replacement. These are intended for trained technicians or competent DIY mechanics familiar with A/C service procedures:
- Recover Refrigerant Safely: Evacuate refrigerant with certified recovery equipment before opening the system.
- Disconnect Battery: Isolate vehicle electrical supply before working on the compressor or clutch.
- Remove Drive Belt And Electrical Connectors: Mark belt routing and disconnect clutch connector.
- Measure And Top Up Oil: Note removed oil amount and refill the new compressor with appropriate type and amount of PAG oil per manufacturer specification.
- Replace Seals And O-Rings: Always fit new O-rings on refrigerant lines using correct material and lubricant.
- Replace Receiver/Drier Or Accumulator: Recommended when opening the system or after contamination to protect the new compressor.
- Vacuum And Leak Test: Evacuate system to remove moisture and verify integrity before charging.
- Charge With Correct Refrigerant And Quantity: Use the refrigerant type and fill weight specified by the vehicle manufacturer (R134a or R1234yf as applicable).
- Run And Monitor: After installation, run the A/C, check pressures, listen for unusual noises, and verify cooling performance.
Why Replace This Part
Replacing the compressor restores proper cooling and prevents further damage to other A/C components. Installing a compressor after system contamination without proper flushing and replacing the receiver/drier risks rapid failure of the new unit.
Notes For Mechanics And DIY Enthusiasts
This listing is for a used Denso 6SEL16 compressor supplied as shown. Check the part numbers printed on the unit against the vehicle reference to ensure a match. Use professional A/C service equipment for recovery, evacuation, and charging to comply with legal and safety requirements.
