Reliable Sanden Air Conditioning Compressor designed for Citroën and Peugeot vehicles. This unit (Sanden 1355F SD6V12) offers robust cooling performance and is commonly used in a range of Stellantis models. It Is Supplied With Standard Mounting Points And Electrical Connector Arrangement Compatible With Many OEM Installations, Making It A Practical Choice For Professional Workshops And Competent DIYers Looking To Restore Full A/C Functionality.

Key Features And Benefits

Efficient Cooling Performance: Engineered To Deliver Stable Refrigeration Capacity Under Typical Driving Loads, Improving Cabin Comfort And Defogging Capability. Durable Construction: Internal Components And Clutch Designed For Long Service Life Under Normal Operating Conditions.Direct Replacement: Matches Common OEM Mounting Interfaces And Electrical Connections For Easier Fitment.Supports Routine Service: Works With Standard A/C Service Procedures (Recovery, Evacuation, And Recharge), Allowing Fast Turnaround In A Workshop Environment.

Compatibility And Application

Common Fitment Includes Citroën C4 And Select Peugeot Models Such As Peugeot 207, 307 And 308. Compatibility Is Often Referenced By Product Codes And OEM Numbers Listed Below; Always Verify The Part Number On The Vehicle Before Installation To Ensure Proper Match.

Technical Information

• Manufacturer: Sanden
• Model: Citroën C4; Peugeot 207, Peugeot 307; Peugeot 308
• Product Codes: SD6V12, 1355F
• Additional Numbers: 9659875780, 6453WK, 6453WL, 648708, 9822826880, 1671553680, 6453QK

How The Part Functions

The Compressor Is The Heart Of The Vehicle’s Air Conditioning System. It Compresses Refrigerant Vapor And Pumps It Through The Condenser, Receiver/Drier And Evaporator To Remove Heat From The Cabin. The Electromagnetic Clutch Engages And Disengages The Compressor According To System Demand, Controlled By The Vehicle’s Climate Control Electronics.

How To Replace (Overview)

1) Recover Refrigerant With Appropriate Certified Equipment. 2) Remove Drive Belt And Disconnect Electrical Connector(s) To The Clutch. 3) Detach Suction And Discharge Lines (Cap And Replace O-Rings). 4) Unbolt Compressor From Bracket And Remove Unit. 5) Fit Replacement Compressor, Replace O-Rings And Seals, Reinstall Lines And Torque Fasteners To OEM Values. 6) Evacuate System To Recommended Vacuum, Refill With The Correct Refrigerant And Specified Lubricant Volume, Then Test For Leaks And Proper Operation.

Installation Recommendations

Recover Refrigerant Using A Certified Recovery Station Before Any Work. Replace Receiver/Drier Or Accumulator Whenever The Compressor Is Replaced To Prevent Contamination. Replace O-Rings And Use The Correct Type And Amount Of PAG Oil Specified For The Vehicle. Evacuate The System Thoroughly After Assembly To Remove Moisture And Air. Verify Belt Tension And Electrical Connections. Perform A Leak Test And Functional Test At Operating Temperature.

Reason Why The Part Most Often Fails

Compressor Failure Is Most Commonly Caused By Lack Of Lubrication (Oil Loss Or Incorrect Oil), Contamination In The A/C Circuit (Debris From A Failed Component), Excessive Wear Of Bearings Or Clutch, And System Leaks Leading To Moisture Ingress. Overheating From Restricted Condenser Or Poor Cooling Airflow Can Also Accelerate Wear. Regular Maintenance Of The Entire A/C System Helps To Minimize These Risks.

Practical Tips For Workshops And DIY Mechanics

Keep A Clean Working Environment To Prevent Foreign Material Entering The System During Replacement. Label And Inspect Lines And Electrical Connectors Before Disassembly. Use Only Approved Seals And Lubricants. After Installation, Run The System Through Several Operating Cycles And Check For Unusual Noises Which May Indicate Misalignment, Incorrect Oil Charge, Or Internal Damage.

Product Overview

This Sanden SD6V12 air conditioning compressor is a direct-fit replacement commonly used on various Citroën and Peugeot models. It is a cost-effective option for workshops and DIY mechanics looking to restore cooling performance after a compressor failure. The unit is compatible with R134a systems and is often searched for by part numbers such as 1355F, 9659875780, 6453WK and related OEM references.

Technical Information

• Manufacturer: Sanden
• Models: Citroën C4; Peugeot 207; Peugeot 307; Peugeot 308
• Product Codes: 1355F; SD6V12
• Additional Numbers: 9659875780; 6453WK; 6453WL; 6453QK; 648708; 9822826880; 1671553680; R134A
• Removed Mileage: 88,000 km (unit removed from vehicle)

Installation Recommendations

• Have the refrigerant recovered and the system evacuated by a certified technician in accordance with local regulations.
• Inspect and replace the receiver/drier (or accumulator), expansion valve/orifice tube and all O-rings to prevent contamination and ensure proper sealing.
• Drain and measure the oil from the old compressor to determine the correct amount and type of PAG oil to add; always top up to the manufacturer-specified charge.
• Replace compressor mounting bolts and tighten to the manufacturer torque specifications. Check belt condition and tensioner, replace if worn.
• After installation, perform a deep vacuum (minimum 30 minutes depending on system size), leak test, and then recharge with the correct R134a refrigerant mass as specified for the vehicle.
• Verify electrical connector and clutch engagement function before final reassembly. Run the A/C system and check high/low pressures and cabin cooling performance.

Most Common Failure Reasons

• Clutch coil or electromagnetic clutch wear causing engagement failure.
• Worn bearings leading to noise and eventual seizure.
• Contamination from system failures (e.g., burst dryer, particulate ingress) causing internal damage.
• Loss of refrigerant/oil due to leaks, resulting in insufficient lubrication and overheating.
• Corrosion or damage to refrigerant lines and fittings leading to leakage and compressor overload.

Notes For Mechanics and DIYers

This compressor is suitable for professional workshops and experienced DIY mechanics. It is frequently located by its part numbers, so searching by any of the listed codes will improve the chances of finding the correct unit. Always follow manufacturer procedures and safety regulations when working on the A/C system.

High-quality Sanden SD6C12 A/C compressor compatible with a range of Stellantis Citroën and Peugeot models. This used compressor is an economical replacement for workshops and DIY mechanics searching by OEM or reference numbers such as 9651910980, 6453QJ, 6453QK and related codes. Ideal when the original unit shows noise, clutch slip or internal leakage — the Sanden SD6C12 is a widely used, serviceable compressor for many small and compact PSA vehicles.

Technical Information

• Manufacturer: Sanden
• Model: SD6C12
• Product Codes: 1351F
• Additional Numbers: 9651910980, 6453QJ, 6453QK, 6453WK, 6453WL, 6453ZZ

Suitable Models / Applications

Common fitment includes various Citroën and Peugeot small/compact models. Typical applications: Citroën Berlingo, Citroën C2, Citroën C3, Citroën C4, Citroën Xsara Picasso; Peugeot 206, Peugeot 307, Peugeot Partner. Always match the reference numbers shown above with the unit on the vehicle.

Function And Typical Failure Modes

The compressor is the heart of the vehicle air conditioning system: it compresses and circulates refrigerant through the circuit, driven by the engine via the accessory belt and engaged by an electromagnetic clutch. Common causes of compressor failure include worn clutch bearings, internal wear leading to reduced compression, contamination from a failed component (metal debris), seal deterioration causing refrigerant/oil loss, and overheating due to insufficient oil or blocked system components. Lifespan varies with usage and maintenance but failures most frequently appear after many years of service or following a major A/C system leak.

Installation Recommendation

Recommended for professional installation or experienced DIY mechanics with proper equipment. Key steps and precautions:

• Recover refrigerant from the system using certified recovery equipment before removal.
• Disconnect the negative battery terminal prior to any electrical work.
• Remove drive belt and electrical connector from the compressor, then unbolt the unit from its mounting bracket.
• Replace O-rings/seals at all connections when installing the new compressor and use the correct type and amount of lubricant specified for the vehicle.
• Replace the receiver-drier/accumulator or desiccant cartridge when the compressor is replaced, and consider replacing the expansion valve/orifice if contamination is suspected.
• Evacuate the system with a vacuum pump to remove air and moisture, then recharge with the correct refrigerant charge and oil amount per manufacturer specifications.
• Perform a leak test and functional check after installation (clutch engagement, system pressures, cabin cooling performance).

Why This Part Fails Most Often

Most failures are due to contamination (metal particles from internal wear or a previously failed unit), seal deterioration that leads to refrigerant and oil loss, clutch/bearing wear, and prolonged operation with low oil levels. External causes such as blocked condenser, faulty expansion valve or inadequate system maintenance accelerate compressor wear. Addressing the root cause and replacing associated filtration/drying components helps prevent repeat failures.

Note For Buyers

This listing is focused on compatibility by reference numbers and common vehicle models. Check part references on the vehicle to ensure a correct match before installation.