Description
Air conditioning pipe for Citroën C4 and Peugeot 307 with 1.4 16V, 1.6 16V and 2.0 16V engines.
Direct-fit air conditioning line designed for Citroën C4 and Peugeot 307 models. This replacement AC pipe matches common OEM reference numbers and is ideal for professional mechanics and experienced DIYers looking for a reliable, serviceable part. The part is commonly searched by its reference codes, making it easy to find when ordering or cross-referencing in parts lists.
Features
- Direct-fit replacement for original equipment on compatible Citroën and Peugeot models.
- Durable metal construction with corrosion-resistant surface treatment for long service life.
- Compatible with multiple OEM reference numbers for straightforward identification.
- Designed to carry refrigerant and lubricant between AC components with minimal pressure loss.
Technical information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C4, Peugeot 307
- Product Codes: 9650628180, 9657451280, 9647878780
- Additional Numbers: 6460QL
Fitment
Fits Citroën C4 and Peugeot 307 vehicles equipped with 1.4 16V, 1.6 16V and 2.0 16V petrol engines. Check vehicle variant and engine type when selecting parts to ensure correct routing and connection types.
Function And Common Failure Modes
The AC pipe transports refrigerant and oil between major air conditioning components (compressor, condenser, evaporator/receiver-drier) and maintains the sealed circuit under pressure. Typical causes of failure include:
- Corrosion from road salt and moisture leading to pinhole leaks.
- Mechanical damage from impacts or incorrect routing during previous repairs.
- Deterioration of sealing surfaces and O-rings, resulting in refrigerant loss.
- Clogging or internal contamination causing elevated pressures and fatigue.
Installation Recommendations
Installation should be performed by a qualified technician or an experienced DIYer with the correct tools. Recommended steps:
- Recover refrigerant with appropriate recovery equipment prior to disassembly—do not vent refrigerant to atmosphere.
- Replace all associated O-rings and seals with correct size and material (lubricated with compatible PAG oil) to ensure leak-free connections.
- Inspect mating components (compressor ports, condenser, receiver-drier) for damage or corrosion and replace as needed.
- Perform vacuum and leak test after installation, then charge the system to the manufacturer’s specified refrigerant and oil quantities.
- Verify proper routing and secure all clamps and brackets to avoid chafing and vibration.
Most Common Reason For Failure
Corrosion and seal deterioration are the most frequent causes of leaks. Road salt, moisture ingress and age-related degradation of O-rings lead to slow refrigerant loss and reduced cooling performance. Mechanical damage during collision repairs or improper hose routing can also cause premature failure.
Frequently searched by reference numbers: 9650628180, 9657451280, 9647878780, 6460QL.
