This air conditioning pipe is designed for use on a range of Peugeot and Citroën models and provides a reliable connection within the vehicle’s AC refrigerant circuit. Ideal for professional workshops and experienced DIY mechanics, this replacement pipe matches original equipment fitment and key product references (9684311080 / 6477G7). Installing a correct, undamaged pipe restores proper refrigerant flow, prevents leaks and helps the climate system reach and maintain optimal cooling performance.

Technical Information

• Manufacturer: Stellantis / Peugeot Citroën
• Model: PEUGEOT 308, PEUGEOT 3008, PEUGEOT 5008, PEUGEOT RCZ, CITROËN C4, CITROËN C4 PICASSO
• Product Codes: 9684311080, 6477G7
• Other Numbers: 6477.G7, 6477.G7 (alternate notation)

Compatibility And Fitment Notes

Fits Common Stellantis Platforms Used On The Above Models. Compatibility Can Depend On Model Year And Specific Engine/Trim—Check The Part Shape And Connection Types Against The Removed Pipe. This Item Is Supplied As A Direct Replacement For The Referenced OE Numbers.

Installation Recommendations

• Recover Refrigerant Safely Using Approved Recovery Equipment Before Any Work On The AC Circuit.
• Inspect And Replace All Associated O-Rings And Seals When Installing The New Pipe; Lubricate New O-Rings With Appropriate Refrigerant Oil.
• Ensure All Connections And Clamps Are Clean, Correctly Seated And Tightened To Manufacturer Specifications.
• After Installation, Evacuate The System To Remove Moisture And Air, Then Recharge With The Correct Type And Amount Of Refrigerant Per Manufacturer Data.
• Check For Leaks Under Pressure And Perform A Functional Test Of The AC System Before Returning The Vehicle To Service.
• Recommended For Installation By Qualified Technicians Or Experienced Mechanics With Proper AC Service Equipment.

Most Common Failure Reasons

• Corrosion From Road Salt And Moisture Leading To Perforation Or Cracks.
• Mechanical Damage From Impact Or Improper Handling During Repairs.
• Gradual Wear Of Connection Ends And O-Rings Causing Refrigerant Leaks.
• Stress From Vibration Or Incorrect Mounting Causing Fatigue At Bends And Joints.

Practical Tips

When replacing the pipe, always visually inspect the condenser, compressor and evaporator for signs of oil stains or damage that might indicate other leaks. Use only manufacturer-approved refrigerant and oils, and record the service data (refrigerant mass, oil added) for future maintenance. A properly fitted pipe will eliminate leaks, reduce system contamination and restore reliable cabin cooling.

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