Description
Air Conditioning Pipe for Citroën C4 and Peugeot 307/308 2.0 HDi RHR
High-quality air conditioning pipe designed for Citroën and Peugeot 2.0 HDi vehicles. This direct-fit replacement is intended for professional workshops and experienced DIY repairers who need a reliable replacement part to restore proper air conditioning performance. Commonly searched under part numbers 9658227380 and 647735, the pipe connects refrigerant lines and maintains system integrity under pressure and temperature cycles.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C4; Peugeot 307; Peugeot 308
- Product Codes: 9658227380
- Other Numbers: 647735
Installation Recommendations
- Recover Refrigerant Safely: Before removal, recover the refrigerant using certified recovery equipment in accordance with local regulations.
- Inspect And Replace Seals: Always replace O-rings and sealing washers at connections. Use the correct size and material to prevent leaks.
- Clean Connection Points: Remove debris and corrosion from mating surfaces to ensure a proper seal and fit.
- Torque And Mounting: Refit clamps and brackets to original mounting points. Avoid overstressing the pipe; secure routing to prevent chafing or contact with hot components.
- Recharge And Test: After fitting, evacuate and recharge the system with the correct refrigerant and lubricant specified for the vehicle, then perform a pressure and leak test and verify operating pressures and cabin cooling performance.
Why This Part Fails Most Often
Air conditioning pipes typically fail due to corrosion from road salt and moisture, mechanical damage from impacts or improper jack/support points, and abrasion where lines rub against bodywork or engine components. Failures also occur from aged seals and O-rings that become brittle over time, allowing refrigerant leaks. Thermal cycling and vibration accelerate wear at bends and connection points. There is no fixed replacement interval; typical service life often ranges with vehicle age and environmental exposure.
Fitment And Application
Fits Citroën C4 and Peugeot 307 and 308 models equipped with 2.0 HDi (RHR) where OE numbers 9658227380 or 647735 are referenced. Verify part numbers against the vehicle’s service documentation or parts catalogue before installation.
Direct replacement designed to restore sealed refrigerant flow and system performance. Suitable for garage technicians and competent DIY mechanics who follow safe refrigerant handling and installation procedures.
