Description
Sanden 1321F Air Conditioning Compressor For Citroën And Peugeot Vehicles
Pulley – 119 [mm]
Refrigerant: R134a
This Sanden air conditioning compressor 1321F is a direct-fit solution for many Citroën and Peugeot models that use R134a refrigerant and a 119 mm pulley. Designed for professional workshops and experienced DIY mechanics, this compressor restores reliable cooling performance, reduces cabin condensation times and helps maintain correct system pressures. It is suitable as a replacement unit where OEM numbers and fitment match the vehicle application listed below.
Technical Information
- Manufacturer: Sanden
- Model: SD7C16 / 1321F
- Product Codes: 9671216780, 9825868180, 648734
- Additional Numbers: 6453QL, 6453QN, 6453WN, 6453ZA, 6453WP, 6453ZC
- Pulley Diameter: 119 mm
- Refrigerant: R134a
Compatible Models (Examples)
Typical fitment includes select models from Citroën and Peugeot, for example: Citroën C4 II, Citroën C4 Picasso, Peugeot 207, Peugeot 308, and Peugeot 5008 (first generation). Always confirm the part number and pulley specification when selecting replacement compressors.
How Replacement Is Performed
Replacement of the A/C compressor should be carried out by a qualified technician or an experienced DIY mechanic with proper tooling. Typical steps:
- Recover refrigerant from the system using certified recovery equipment (legal requirement in many countries).
- Disconnect the vehicle battery and follow manufacturer’s safety procedures.
- Remove the accessory drive belt and any obstructing components to access the compressor.
- Disconnect electrical connectors and carefully remove refrigerant lines (cap and plug immediately to avoid contamination).
- Unbolt and remove the old compressor. Inspect system for contamination and metal debris.
- Fit the new compressor, ensure correct torque on bolts and correct pulley alignment.
- Replace the receiver-drier/accumulator and, where applicable, the expansion valve/orifice tube; flush the system if contamination is present.
- Evacuate the system to remove moisture and air, then recharge with the specified amount of R134a and correct oil type/quantity.
- Run the system, check for proper pressures, leak test and verify cooling performance.
Installation Recommendations
- Always Recover Refrigerant With Certified Equipment—Do Not Vent To Atmosphere.
- Replace Receiver-Drier/Accumulator After Compressor Replacement To Protect The New Unit From Moisture And Contaminants.
- Use Manufacturer-Approved PAG Oil Type And Correct Fill Quantity; Incorrect Oil Causes Poor Lubrication And Premature Failure.
- Vacuum The System Thoroughly Before Recharging To Remove Moisture; Moisture Accelerates Corrosion And Oil Degradation.
- Check Belt Tension And Pulley Alignment; A Misaligned Belt Leads To Excessive Wear Or Noise.
- If Debris Or Metal Particles Are Found, Perform A System Flush—Debris Will Quickly Damage A New Compressor.
- Perform A Leak Test After Installation And During Initial Run-In.
Common Failure Causes
- Clutch Or Bearing Wear—Leads To Noise, Slippage Or Seizure.
- Internal Seal Or Piston Wear—Results In Loss Of Compression And Reduced Cooling.
- Contamination From System Debris—Metal Particles Or Moisture From A Failed Component Can Destroy A Compressor.
- Insufficient Lubrication—Leaking Refrigerant Or Incorrect Oil Causes Rapid Wear.
- Electrical Faults—Broken Wiring Or Faulty Clutch Coil Prevent Compressor Engagement.
- Overheating Or Blocked Condenser—Causes Excessive Loads On The Compressor.
Why The Part Fails Most Often
Compressors commonly fail because of contamination (metal particles or moisture), loss of lubricant due to system leaks, or clutch and bearing wear after long service. Neglecting receiver-drier replacement and not flushing a contaminated system are frequent causes of repeat failures. Regular maintenance of the entire A/C system and prompt repair of leaks prolong compressor life.
If you match the listed product codes and pulley specification to your vehicle, this Sanden 1321F compressor is a reliable replacement option for restoring A/C performance in Citroën and Peugeot vehicles using R134a refrigerant.
