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.

Air conditioning compressor MAHLE SD6C12 – replacement for Sanden SD6V12 (PSA 1355F). Reliable air conditioning compressor/AC compressor for Citroën and Peugeot cars. Dismantled from a car with approx. 2,000 km, quiet operation and quick pressure build-up. Ideal as a direct replacement for a faulty original when looking for a part by number.

Key features
– Manufacturer and type: MAHLE SD6C12 (replacement for Sanden SD6V12, PSA designation 1355F)
– Condition: brand new, approx. 2,000 km
– Purpose: R134a air conditioning for selected Citroën/Peugeot models
– Identical mounting and connection geometry with the original for the specified OE numbers
– 12 V electromagnetic clutch included (standard for this type; check with label/photo)

Vehicle compatibility
– Citroën C4
– Peugeot 207, 307, 308
– And other PSA cars using the OE/OEM numbers below. Always verify by part number and VIN.

OE/OEM and cross search numbers
– 9659875780
– 6453WK
– 6453WL
– 9822826880
– 1671553680
– 1355F
– SD6C12 / SD6V12 (Sanden/MAHLE)

Technical information
– Construction: 6-piston compressor (SD6 series)
– Clutch power supply: 12 V
– Refrigerant: R134a
– Oil: PAG according to the specification of the car system (usually PAG 46; add the amount according to the manufacturer)
– Belt: grooved (PK) – compare the diameter and number of grooves with the original part
– Connecting hoses: O-rings, check the dimensions according to the label/photo
Note: Details (pulley diameter, number of grooves, orientation of outlets) may vary depending on the variant – follow the number on the label and the OE references.

Why choose a new MAHLE
– Quick and cost-effective replacement for the original Sanden 1355F SD6V12
– Minimal wear due to low travel
– OEM part quality, accurate mating surfaces and seals

Installation recommendations
– Before assembly, flush the system, replace the dehydrator/dryer and O-rings
– Check the amount and type of oil in the compressor, evacuate the system and fill with the correct amount of R134a
– Check the cleanliness and function of the expansion valve, check the pressure and suction lines
– After assembly, carry out a leak test and functional test

How to check compatibility
– Compare the OE number from the old compressor (label) with the above references
– If in doubt, check against the VIN and the manufacturer’s catalog

Are you looking for “Citroën/Peugeot A/C Compressor”, “PSA AC Compressor”, “MAHLE SD6C12” or “Sanden 1355F SD6V12”? This remanufactured piece is ready to be a direct replacement for the original for the listed models and OE numbers.