Product Overview

This air conditioning refrigerant pipe is an OEM-style component for Citroën C5 X7 and Peugeot 407 models. Designed to carry refrigerant within the vehicle’s A/C system, the pipe connects evaporator, condenser and compressor circuits depending on the specific routing. The part is commonly referenced by manufacturer numbers 9659576280 and 647773, which makes it easy to find by part number during repairs or ordering.

Why This Part Matters

Properly functioning refrigerant pipes ensure efficient cooling performance and a sealed A/C system. A damaged or leaking pipe leads to loss of refrigerant, reduced cooling, and potential contamination of the system. Professional mechanics and experienced DIYers will appreciate the fitment to PSA/ Stellantis platforms and the straightforward replacement procedure when performing A/C repairs or component upgrades.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: Citroën C5 II / Citroën C5 X7 / Peugeot 407
• Product Codes: 9659576280, 647773
• Additional Numbers: NFP

Installation Recommendations

• Recover Refrigerant Using Certified Equipment: Always evacuate and recover refrigerant with approved recovery machines before opening the A/C system to comply with regulations and protect components.
• Replace Seals And O-Rings: Install new O-rings sized to the factory specification and lubricate with the correct PAG oil to ensure a long-lasting seal.
• Vacuum Test And Leak Check: After fitting the pipe, perform a vacuum hold test and leak detection (electronic detector or UV dye) before recharging the system.
• Recharge With Correct Refrigerant: Refill the system with the manufacturer-specified refrigerant (R134a for these model years) and the correct oil charge. Observe refrigerant weight and pressures per service manual.
• Use Proper Tools And Torque: Use appropriate spanners and follow tightening guidelines for flare or threaded fittings to avoid distortion or damage.
• Professional Service Recommended For Full A/C Work: While a competent DIYer can replace the pipe, gas recovery, vacuuming and accurate recharge are best done with professional A/C service equipment.

Most Common Failure Reasons

• Corrosion From Road Salt And Moisture: Metal pipes and joints exposed to road salt and moisture can corrode, leading to pinhole leaks.
• O-Ring Deterioration: Aging O-rings lose elasticity and begin to leak at fittings and unions.
• Mechanical Damage: Impact from road debris or improper handling during repairs can dent or crack the pipe.
• Vibration And Thermal Cycling: Repeated heating and cooling plus engine vibration can fatigue joints or cause stress fractures over time.

Compatibility And Search Tips

Search by the OEM numbers 9659576280 or 647773 for fastest results. The pipe is intended for Citroën C5 II / C5 X7 and Peugeot 407 platforms—verify model generation and engine bay routing when ordering replacement parts.

Looking for high-quality replacement parts for your Citroën or Peugeot? This A/C pipe set is perfectly suited for Peugeot 407 and Citroën C5II, C5 X7 models. These pipes play a crucial role in your vehicle’s air conditioning system by ensuring effective cooling performance.

They measure optimal refrigerant pressure and temperature and guarantee proper refrigerant circulation, significantly enhancing the overall efficiency of the climate control system. Manufactured to resist common wear and corrosion, these pipes offer long-lasting durability. Additionally, their design featuring two connected pipes that can be separated facilitates installation and maintenance.

Technical Information:

• Manufacturer: PSA (Peugeot Société Anonyme)
• Model: Peugeot 407, Citroën C5II, Citroën C5 X7
• Product Codes: 6477F3, 647774
• Additional Numbers: 6477F3, 647774 – These codes allow precise identification of parts for quick and accurate catalog searches.

This product is an excellent choice for professional mechanics and DIY enthusiasts aiming to keep their vehicles in top condition. With precise engineering and premium materials, it meets functional requirements and extends the lifespan of components related to cooling and air conditioning systems in your car.

Are you looking for reliable and high-quality replacement parts for your Peugeot or Citroën? Our air conditioning pipes are the perfect solution for your vehicle. These original parts from the Citroën C5 X7 and Peugeot 407 ensure optimal functionality and long-term durability. They are designed for ease of installation and maintenance by being separable.

Technical Information
Manufacturer: PSA CITROEN PEUGEOT
Model: Peugeot 407, Citroën C5 X7
Product Codes: 9659576380, 647774, 6477E9
Other Numbers: Not Available

Air conditioning pipes are a crucial component for the proper functioning of your vehicle’s air conditioning system, ensuring smooth refrigerant flow. These pipes are designed to meet OEM specifications, guaranteeing maximum performance and efficiency of your air conditioning. They are ideal for mechanics and DIY enthusiasts seeking a precise and reliable replacement part for repairs or maintenance of the air conditioning system.

Investing in original auto parts means keeping your vehicle in the best possible condition and ensuring that everything operates as it should. Regular inspection and replacement of worn or malfunctioning components prevent more costly repairs in the future. With our products, you can expect the highest level of performance and reliability.

Using original spare parts ensures proper function, efficiency, and longevity. Our air conditioning pipes for Peugeot and Citroën are the perfect choice for anyone seeking top quality at a reasonable price.

Product Overview

High-quality air conditioning refrigerant pipe designed for Citroën/Peugeot applications. This assembly typically combines two refrigerant lines into a single routed unit, simplifying installation and reducing the number of connection points. Supplied with the referenced OEM numbers, it is intended for vehicles using the original piping layout and mounting points.

Key Benefits

• Direct fit to original routing for clean installation and secure mounting.
• Reduces the number of connection points compared with individual pipes, lowering the risk of leaks when properly installed.
• OEM cross-reference numbers included for fast identification: ideal when searching by part number (9686414180, 9659576380, 6477F2, 647774).
• Made for professional garages and experienced DIYers who handle AC system service and refrigerant recovery.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Citroën C5 X7 (2009, 3.0 HDi)
• Product Codes: 9686414180, 9659576380, 6477F2, 647774
• Other Numbers: 647774, 6477F2, 9659576380, 9686414180

Function And Typical Location

This pipe carries refrigerant between air conditioning components (compressor, condenser, evaporator/expansion valve) and is routed under the bonnet and along chassis/body fixing points depending on the vehicle layout. In this assembly two lines are joined together to match the vehicle’s factory routing and mounting brackets.

Common Failure Modes

Air conditioning pipes most often fail due to corrosion, mechanical damage, or degradation of sealing elements. Frequent causes include:

• Corrosion from road salt and moisture on metal lines and fittings.
• Stone strikes, abrasions, or impact damage from road debris.
• Fatigue at connection points or bends caused by vibration and engine movement.
• O-Ring deterioration at mating joints leading to refrigerant and oil leaks.

Replacement And Installation Recommendations

Replacement of an AC pipe requires correct refrigerant handling and basic air conditioning service equipment. Recommended procedure:

• Recover Refrigerant: Recover the system refrigerant using certified recovery equipment (the 2009 C5 typically uses R134a systems).
• Remove Old Pipe: Remove clamps and fittings; inspect surrounding components for damage and clean mating surfaces.
• Replace Seals: Replace all O-rings and seals with correct size and material (lubricate with correct PAG oil compatible with the system).
• Install New Pipe: Fit the new pipe in the factory routing, secure all clamps and brackets, and torque fittings to manufacturer values where available.
• Vacuum And Refill: Evacuate the system to remove moisture, then charge with the specified refrigerant charge and oil volume per manufacturer specification.
• Leak Test And Function Check: Perform a pressure/leak test and verify system pressures and cooling performance after commissioning.

Because refrigerant handling is regulated and requires special equipment, this job is recommended for professional workshops or experienced technicians with the required tools and certification.

Why Replace The O-Rings And Inspect Surroundings

Even if the pipe body is intact, aged O-rings often cause slow leaks and should always be renewed during replacement. Inspect adjacent components (compressor, condenser, drier/accumulator, expansion valve) for signs of oil or refrigerant traces that indicate secondary damage.

Notes For Buyers

Searches for this part are frequently performed by the OE numbers listed above. If you are a mechanic or a competent DIYer familiar with AC service, this pipe offers a direct-fit solution for the specified Citroën C5 application and compatible Stellantis models that share the same part references.

This product consists of two pipes connected together, which can also be separated for easier installation and maintenance. Regular replacement is recommended as wear and tear from use can lead to leaks, affecting the efficiency of the air conditioning system.

By ensuring your air conditioning pipe is in good condition, you can prevent costly repairs and maintain a comfortable driving experience.

Technical Information

• Manufacturer: PSA CITROËN PEUGEOT
• Model: Citroën C5 (2009) / Peugeot 508 (2.0 HDI)
• Product Codes: 9659576380, 9676961780
• Other Numbers: 6477GV, 647774

Product Overview

High-quality air conditioning pipe assembly designed for Peugeot 407 and Citroën C5 (X7). This is a two-piece A/C line that joins sections of the vehicle’s air conditioning plumbing and can be separated for easier replacement or service. Commonly searched by OE numbers, the part ensures a correct fit for systems using the specified codes and helps restore sealed refrigerant circuits to proper operation.

Features And Function

• Purpose: Carries refrigerant between components of the air conditioning system, maintaining a sealed, pressurized circuit for cooling performance.
• Construction: Two pipes supplied as a connected assembly that can be separated at the joint for installation or service.
• Benefits: Direct fit to OE specifications when matched by product codes, reduces leak points when properly installed, and simplifies replacement of damaged sections without replacing the full network of lines.
• Search Friendly: Commonly found using OE numbers listed below (ideal for mechanics and DIY enthusiasts searching online).

Compatibility

Designed For: Peugeot 407; Citroën C5 X7. Fitment is determined primarily by the OE/product codes—use the part numbers below when searching or ordering to ensure correct match.

Technical Information

• Manufacturer: Stellantis (Peugeot / Citroën)
• Model: Peugeot 407; Citroën C5 X7
• Product Codes: 9659576380; 6477F0; 647774
• Other Numbers: 64774; 647774; 6477F0; 9659576380

Installation Recommendations

• Have Refrigerant Recovered: Always recover refrigerant with appropriate equipment before opening the A/C system. This must be performed in accordance with environmental and safety regulations.
• Replace Seals And Lubricant: Fit new O-rings and apply correct PAG oil compatible with the vehicle’s system to prevent leaks and ensure proper lubrication.
• Use Correct Tools And Procedure: Remove any obstructing trim or covers, loosen clamps or connections at the designated joints, separate the two-piece assembly if required, and install the replacement pipe ensuring clean mating surfaces.
• Vacuum And Recharge: After fitting, evacuate the system to remove moisture and air, then recharge to the manufacturer-specified refrigerant charge and pressure.
• Leak And Function Test: Perform a pressure/leak test and run the A/C to verify correct operation and cooling performance.
• Professional Service Recommended For Refrigerant Handling: Recovery, evacuation, and recharge are recommended to be done by a qualified workshop with proper A/C service equipment.

Why This Part Fails Most Often

• Corrosion And Environmental Damage: Exposure to road salt and moisture causes corrosion at joints and fittings, leading to leaks over time.
• Mechanical Impact: Stone chips, debris, or improper handling during repairs can dent or crack the lines.
• Ageing Seals: O-rings and seals harden or deteriorate with heat cycles, causing refrigerant leaks at connection points.
• Vibration And Fatigue: Continuous vibration can weaken crimped joints or connections, especially on older vehicles.

Additional Notes

When searching or ordering, use the OE numbers (9659576380, 6477F0, 647774) to increase the chance of finding the exact matching part. Suitable for mechanics and experienced DIYers who perform A/C repairs; correct installation and refrigerant handling are critical for system longevity and performance.

This is a used part, carefully checked for functional reliability. Thanks to precise compatibility with the selected Citroën and Peugeot models, installation is quick and straightforward, saving you time and money. Beyond maintaining a comfortably cool interior, the pipe plays a crucial role in the vehicle’s overall energy efficiency.

Technical Information:

• Manufacturer: PSA Group
• Model: Compatible with Citroën C4, C5 II, C5 X7 and Peugeot 307, 407
• Product Codes: 9677930480, supplementary code 647779

Whether performing routine maintenance or comprehensive repairs on your air conditioning system, this AC pipe is a necessary component that helps ensure your vehicle continues to provide optimal performance and comfort. Focus on quality and reliability by choosing our original auto part designed for your Citroën or Peugeot.

Get this essential part of your cooling system today and enjoy the comfort and dependability that come with a properly functioning air conditioning system. Your vehicle will benefit, and more importantly, so will you during hot summer days.