Description
Air conditioning refrigerant pipe for Citroën C5 II and Peugeot 407.
This refrigerant pipe is a direct-fit air conditioning line commonly searched under OEM part numbers 9650885580 and 6460LP. Designed for vehicles in the Citroën/Peugeot family, it restores proper refrigerant routing in the HVAC circuit and helps recover full cooling performance. Suitable for professional workshops and experienced DIY mechanics who maintain or repair climate control systems on Citroën C5 II and Peugeot 407 models.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C5 II; Peugeot 407
- Product Codes: 9650885580, 6460LP
- Other Numbers: NFP
Function and System Role
The refrigerant pipe routes pressurised refrigerant between key air conditioning components (compressor, condenser, evaporator and expansion valve) and maintains a sealed path for refrigerant and lubricant. A correctly functioning line ensures stable system pressure, efficient heat exchange and consistent cabin cooling.
Common Failure Modes
Failures usually result from external corrosion, chafing against bodywork or engine components, mechanical impact, or deterioration of connection seals and O-rings. Small cracks or pinhole leaks allow refrigerant and oil to escape, leading to pressure loss, reduced cooling performance and potential compressor damage from inadequate lubrication.
Inspection Signs
Look for oily residue around fittings, visible corrosion, audible hissing when the system is charged, loss of cooling, or abnormal pressure readings on A/C gauges. Refrigerant leaks are often visible as oil stains at joints or along the pipe run.
Installation Recommendations
- Recover refrigerant with approved equipment before disassembly; observe local regulations and safety procedures.
- Depressurise and isolate the system, then remove any engine covers or brackets to access the pipe routing without forcing bends.
- Use the correct wrenches for flare or threaded fittings to avoid rounding. Replace all O-rings/seals at mating interfaces—use the correct size and material and lubricate with compatible PAG oil before fitting.
- Ensure correct routing and secure clamps to prevent chafing. After installation, evacuate and leak-test the system, then recharge to manufacturer-specified refrigerant charge and oil amount.
- If you are not qualified to recover and recharge refrigerant, have a certified workshop complete those steps.
Why Replace This Part
There is no fixed replacement interval; replacement is driven by symptom or confirmed leak. Typical causes prompting replacement are corrosion from road salt, accidental damage during service, degraded seals or vibration-induced fatigue. Replacing a leaking refrigerant pipe restores system integrity and prevents compressor failure caused by low refrigerant or oil levels.
Frequently searched under part numbers 9650885580 and 6460LP — check these numbers when ordering to ensure compatibility with Citroën C5 II and Peugeot 407 applications. Buy with confidence if you require a direct-fit refrigerant line to restore proper air conditioning function.
