The Sanden SD6C12 1355F air conditioning compressor is an original part for Citroën and Peugeot cars, suitable for demanding car mechanics and home repairers who are looking for a reliable and proven air conditioning component. This is a used compressor removed from a car with 88,000 km, which gives a good balance between life and price.

This compressor is the ideal choice for air conditioning system repairs when the original part has failed, is noisy or does not provide sufficient cooling performance. A properly functioning compressor is key for quick and efficient cooling of the interior and for the overall comfort of the crew, especially in the summer months and during longer journeys.

Technical information:

Manufacturer:
Sanden

Compressor type / model:
SD6C12 (also listed as SD6V12, variant 1355F)

Purpose:
Used original car parts for Citroën and Peugeot cars

Product codes:
9659875780
6453WK
6453WL
9822826880
1671553680

Other numbers / designations:
SANDEN 1355F
SD6C12 / SD6V12

Type of use:
Air conditioning compressor for the vehicle’s air conditioning system

Status:
Used part, removed from a car with 88,000 km

This air conditioner compressor is often searched for under the above part numbers. If you are looking for a replacement according to the catalog number, thanks to the matching of the codes, you have a high chance of problem-free installation in a specific Citroën or Peugeot model. It is suitable, among others, for models such as Peugeot 207 and Peugeot 308 (depending on the specific engine and equipment).

During assembly, we recommend:

– Before installation, check the condition and cleanliness of the air conditioning circuit (removal of dirt, residues of old oil and dirt from a previously damaged compressor).
– Always replace the dryer (dehydrator) and the recommended sealing O-rings in the air conditioning pipe.
– Check the type and amount of oil in the compressor according to the specification of the given car and the refrigerant used (most often PAG oil for R134a, follow the service documentation).
– Before starting for the first time, rotate the compressor by hand several times (if possible) and ensure that the system has the correct pressure and amount of refrigerant.
– After installation, vacuum the system, then fill it with the correct amount of refrigerant and pressure test for tightness.
– After starting the air conditioning, monitor the pressures in the system, the noise of the compressor and the temperature of the air at the outlet.

A properly installed Sanden SD6C12 1355F compressor will again ensure full functionality of the air conditioning, a pleasant temperature in the cabin and a comfortable ride even in hot weather. Thanks to clearly indicated catalog numbers, it is easy to locate and classify as a suitable replacement for a defective part in many Citroën and Peugeot models.

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.

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.