Description
Air conditioning pipe for CITROËN C4, C4 Picasso and PEUGEOT 307, 3008 with 1.6 HDI engine
Premium replacement air conditioning pipe designed for Citroën and Peugeot 1.6 HDi models. Ideal for professional workshops and experienced DIY mechanics looking for a direct-fit solution under common OEM numbers. The pipe restores reliable refrigerant flow between components, prevents leaks, and helps keep the climate system operating at peak efficiency. Frequently searched by part numbers 9650200980, 6460LZ, 6460XP, 9656859180 and 6477D4 — include these references when ordering to speed up identification.
Technical Information
- Manufacturer: Stellantis / Citroén / Peugeot
- Model: Citroën C4, Citroën C4 Picasso, Peugeot 307, Peugeot 3008 (first generation)
- Product Codes: 9650200980, 9656859180
- Other Numbers: 6460LZ, 6460XP, 6477D4
Function And Purpose
This air conditioning pipe carries refrigerant between key A/C components (compressor, condenser, evaporator or receiver-drier, depending on the circuit layout). It ensures sealed, low-loss transfer of refrigerant and oil while withstanding pressure, temperature cycles and vibration. A correctly functioning pipe is essential for efficient cooling and to prevent moisture and air ingress.
Replacement And Installation
Overview of typical replacement steps (for experienced mechanics or qualified workshops):
- Recover refrigerant from the A/C system using certified recovery equipment (legal requirement in many regions).
- Remove retaining clamps and disconnect fittings from mating components. Note the routing and any brackets to ensure correct refit.
- Replace all O-rings/seals with new ones sized to the vehicle specification and lubricate with the correct refrigerant oil (PAG) as per manufacturer guidance.
- Fit the new pipe, secure clamps and torque fittings to manufacturer values where available.
- Evacuate system with vacuum pump, then charge with correct type and mass of refrigerant and oil as specified for the vehicle.
- Perform leak check and functional test of the A/C system (pressure, temperature and compressor operation).
Installation Recommendations
- Always use proper refrigerant recovery and charging equipment; refrigerant handling often requires certified personnel.
- Replace O-rings and seals whenever a line is opened; reuse significantly increases leak risk.
- Inspect adjacent components (condenser, receiver-drier, compressor) for damage or contamination before refit.
- Avoid kinking or sharp bends during installation; maintain original routing and secure to factory mounting points to prevent chafing.
- Use correct lubricants and follow manufacturer’s refrigerant and oil capacity specifications.
Most Common Causes Of Failure
Failures typically occur due to corrosion at metal joints, chafing against bodywork or other components, road debris impact, degraded rubber joints or O-rings, and long-term exposure to heat cycles. Small leaks often start at fittings or crimped sections, leading to gradual refrigerant loss, reduced cooling performance and potential compressor contamination if moisture enters the system.
Why Mechanics Search By Part Number
Technicians and DIYers frequently locate this pipe using OEM or supplier numbers (e.g., 6460LZ, 6460XP, 9650200980) to ensure direct fit and compatibility. Including these references in your search or order increases the chance of a quick and correct match.







