Description
Air Conditioning Pipe for CITROËN C5 II and PEUGEOT 407
High-quality air conditioning pipe designed for Citroën C5 II and Peugeot 407 vehicles. This AC line is a direct-fit replacement commonly sought by professional technicians and DIY enthusiasts using original equipment numbers such as 9653107880 and 6460JA. Built to restore proper refrigerant flow and sealing in the HVAC system, the pipe helps eliminate leaks, pressure loss, and poor climate performance. Ideal for repairs to the compressor, condenser, evaporator or intermediate connections, this part improves cooling efficiency and prolongs the life of the A/C system when installed correctly.
Key Features And Benefits
– Direct replacement for original equipment numbers: ensures correct fit and alignment.
– Robust construction with rigid tubing and reinforced hose sections where required: resists vibration and heat exposure in the engine bay.
– Includes or interfaces with standard O-ring sealing points: simplifies leak-free installation when O-rings are replaced.
– Restores Proper System Pressure: fixes low-pressure faults and improves cabin cooling performance.
– Time-Saving For Workshops: commonly searched by part number for fast identification and ordering.
Typical Applications
Designed for use on Citroën C5 II and Peugeot 407 models. Frequently specified during A/C repairs related to compressor replacement, condenser repair, evaporator servicing or when diagnosing persistent refrigerant leaks along the A/C lines.
How Replacement Is Performed
Replacement should be carried out by a qualified technician or an experienced DIYer with appropriate tools. Typical procedure:
- Recover Refrigerant Safely Using Approved Equipment.
- Depressurize And Remove Any Components Blocking Access To The Pipe (condenser, fan shroud, brackets as required).
- Remove Pipe Connections, Replace O-Rings And Seals With Correct Size And Lubricate With Refrigerant Oil.
- Install New Pipe Securing All Clips And Brackets To Manufacturer Torque Values.
- Evacuate The System, Vacuum Test For Leaks, Then Recharge With The Correct Type And Amount Of Refrigerant (systems on these models typically use R134a).
- Run System Check For Proper Pressures And Cooling Performance.
How Often It Fails And Why
Air conditioning pipes can last many years but commonly fail due to corrosion (especially on metal sections), abrasive wear at clamp points, degraded rubber hose sections, or deteriorated O-rings. Failures are more likely in vehicles exposed to road salt, heavy vibration, engine bay heat cycles or after previous A/C work where seals were not replaced. Typical service life varies by use and environment but failures often appear after several years of service.
Technical Information
Manufacturer: Stellantis
Model: Citroën C5 II; Peugeot 407
Product Codes: 9653107880; 9653106980; 9657302480
Additional Numbers: 9659577880; 9677949880; 9677930480; 6460JA; 6460JC; 6460PW; 647736; 647738; 647775; 647777; 647779; 647786; 6477AA; 6477N2; 6477N3; 64777
Installation Recommendations
– Always Recover Refrigerant With Certified Recovery Equipment Before Starting Work.
– Replace All O-Rings And Seals At The Connection Points; Use Correct Size And Lubricate With Appropriate Refrigerant Oil.
– Inspect Adjacent Components (Compressor, Condenser, Hoses, Clamps) And Replace If Damaged.
– Torque Fasteners To Manufacturer Specifications And Secure All Clips/Brackets To Prevent Rubbing Or Vibration Damage.
– After Installation Perform Vacuum, Leak Test And Proper Recharge Of Refrigerant; Verify System Pressures And Cooling Performance.
Why The Part Most Often Fails
The most common causes are corrosion of metal tubing, abrasion at support points, hardened or cracked rubber transitions and failing O-rings. Repeated thermal cycling and exposure to road salt or contaminants accelerate deterioration. Improper previous repairs (reusing old seals or incorrect clamps) are also frequent causes of repeat leaks.
Commonly searched part numbers for quick identification: 9653107880, 6460JA, and related OEM references listed above. Use these codes when ordering to ensure correct fitment.
