Description
Air conditioning pipe for Citroën Berlingo from 2018, Peugeot 308, 3008, Partner from 2018, Rifter and Opel Combo E K9
This air conditioning pipe is a direct-fit replacement designed for a range of Stellantis K9-platform vehicles. Supplied with OEM reference numbers 9675635380 and 9840709880, it restores the refrigerant circuit integrity and ensures reliable cooling performance for workshop repairs and DIY maintenance. Commonly searched by part number, this pipe is an essential item when diagnosing A/C leaks or replacing damaged lines after collision or corrosion.
Key Features
– Direct fit for specified Citroën, Peugeot and Opel models from the K9 platform.
– Manufactured to match original routing and connection types for a leak-free installation.
– Built from corrosion-resistant materials with factory-style fittings to maintain system pressure and performance.
Usage And Function
The pipe carries refrigerant between system components (compressor, condenser, evaporator and receiver/drier). It maintains the sealed high- or low-pressure circuit and must tolerate pressure cycles, vibration and temperature changes. Failure of this pipe leads to refrigerant loss, reduced A/C performance and potential compressor damage if run low on lubricant.
Installation Recommendations
Recommended installation steps for professional mechanics and experienced DIYers:
- Recover the refrigerant from the system using certified recovery equipment before any disassembly.
- Replace all associated O-rings and seals with fresh parts lubricated with the correct PAG oil type and quantity specified by the vehicle manufacturer.
- Inspect adjoining components (compressor, condenser, evaporator, drier) for damage or contamination and replace if necessary.
- Use correct torque values on fittings and ensure all connections are clean and free of debris.
- Perform a leak test after installation, then evacuate the system to the recommended vacuum level and recharge with the correct refrigerant and oil quantity.
- Carry out system performance checks (pressure, temperature) to confirm proper operation.
- Wear appropriate personal protective equipment and follow local regulations for refrigerant handling and disposal.
Common Failure Causes
This pipe most frequently fails due to:
- Corrosion from road salt and moisture, particularly at exposed bends and joints.
- Mechanical damage from impacts during collisions or from debris under the vehicle.
- Age-related deterioration of O-rings and sealing surfaces, causing slow leaks.
- Vibration-induced fatigue at connection points or supports if clips/brackets are missing or damaged.
- Improper service procedures (e.g., reused seals or contaminated refrigerant) that accelerate wear or introduce blockages.
Technical Information
- Manufacturer: Stellantis
- Model: Citroën Berlingo (from 2018), Peugeot 308, Peugeot 3008, Peugeot Partner (from 2018), Peugeot Rifter, Opel Combo E K9
- Product Codes: 9675635380, 9840709880
- Other Numbers: K9 Platform Reference (Berlingo/Partner/Combo E)
Notes
Search by OEM numbers 9675635380 or 9840709880 to quickly find this exact part. For safe and compliant service, always use certified A/C recovery and charging equipment and follow the vehicle manufacturer’s procedures during replacement.







