This air conditioning (AC) pipe is a direct-fit replacement commonly searched under the original part numbers and is intended for Citroën C2 and C3 models with 1.4 HDi or 1.6 HDi engines. It carries the typical construction of OEM-style AC lines and routes refrigerant between components of the climate system. The part is suitable for professional workshops and experienced DIY mechanics who perform AC repairs and replacements.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C2, Citroën C3, Citroën C3 Pluriel — Engines: 1.4 HDi, 1.6 HDi
• Product Codes: 9681913580, 9650823180, 9680122380, 6460GQ
• Additional Numbers: NFP

Function And Symptoms

The pipe conveys refrigerant under pressure between AC components (compressor, condenser, receiver/drier and evaporator). When it fails, symptoms include reduced cooling performance, audible hissing or bubbling from the HVAC area, visible oily residue at joints or along the pipe, or sudden loss of refrigerant pressure. Detecting a leak early preserves system components and reduces repair costs.

Why The Part Most Commonly Fails

Common causes of failure are corrosion (especially where road salt and moisture are present), mechanical damage from impacts or rubbing against other components, fatigue at bends or connection points, and deterioration of sealing O-rings or crush washers. Vibration and heat cycles over many years accelerate wear and can create leaks at fittings.

Installation Recommendations

• Recover Refrigerant Safely: Always evacuate and recover refrigerant with certified equipment before disconnecting the AC circuit. Recharge only according to the vehicle specification.
• Replace Seals: Fit new O-rings/crush washers at each connection and lubricate them with the correct PAG oil to ensure a reliable seal.
• Inspect Related Components: Check the compressor, condenser, receiver/drier (or accumulator) and service ports for signs of contamination or damage; replace the receiver/drier if the system was open to atmosphere.
• Leak And Pressure Test: Perform a dry nitrogen pressure test or electronic leak detection after installation to confirm integrity before evacuation and recharge.
• Vacuum And Recharge: Evacuate the system to recommended vacuum, check for stable vacuum (no rise), then charge with the correct refrigerant type and specified mass/pressure for the vehicle.
• Tightening And Routing: Secure clamps and brackets to avoid chafing; respect original routing and torque values where applicable to prevent stress points.
• Final Check: After recharge, run the engine to operating temperature, cycle the AC, check pressures, and verify cooling performance on a test drive.

Practical Notes For Buyers

Part numbers are commonly used search terms — if you found this listing by number, this pipe matches the referenced codes above and fits the listed Citroën models and engine variants. The unit is used but described as fully sealed; inspect mounting points and connection faces during installation and replace seals as standard practice to ensure long-term reliability.

Are you looking for quality and reliable auto parts for your Citroën or Peugeot vehicle? Our selection of used auto parts provides what you need at excellent prices. The air conditioning pipe designed for Citroën C2 and C3 models guarantees efficient functioning of the air conditioning in your vehicle. This component is the ideal choice for anyone seeking a replacement part with a guarantee of quality and reliability.

The air conditioning pipe is a crucial component of the air conditioning system that ensures the transfer of refrigerant. The proper functionality of this pipe is key to the cooling efficiency of your car’s interior during hot summer days. If this part becomes damaged, you may notice a decrease in air conditioning performance or refrigerant leakage.

Technical Information
Manufacturer: PSA Citroën Peugeot
Model: Citroën C2, Citroën C3
Product Codes: 647702, 9680122380
Other Numbers: 9680122380
This part is also compatible with Peugeot 1007 and Citroën C3 Pluriel.

When replacing the air conditioning pipe, it is recommended to follow the service manual and consider consulting with an expert. The replacement may involve disconnecting the old pipe, installing the new one, and replenishing the refrigerant. Caution during installation will prevent potential damage to the system and ensure long-term functionality.

We strive to provide only auto parts that have undergone thorough testing and inspection to ensure their full functionality. By purchasing from us, you not only gain quality but also the assurance that the part will perform as intended.

This product could be the ideal solution for your vehicle. Don’t wait for problems to worsen; fix your air conditioning system in time with a quality replacement part that will restore comfort and efficiency to your car.