This air conditioning pipe is a direct-fit replacement designed for Stellantis petrol/diesel platforms with the 1.6 HDi powerplant. It restores reliable refrigerant flow in the A/C circuit, eliminating common leak points and helping the climate system reach its specified cooling performance. The part is often searched by OEM numbers and cross-references, including 9681723880, 6460LZ, 9650200980, 6460XP, 9656859180 and 6477D4 — useful keywords for technicians and DIY enthusiasts looking for a fast, correct fit.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Citroën C4; Citroën C4 Picasso; Peugeot 307; Peugeot 3008 (I)
• Product Codes: 9681723880; 6460LZ; 9650200980; 6460XP; 9656859180; 6477D4
• Additional Numbers: 6460LZ; 9681723880

Installation Recommendations

• Recover Refrigerant With A Certified Recovery Station Before Opening The System. Handling Refrigerant Requires Professional Equipment And Compliance With Local Regulations.
• Replace All O-Rings And Seals At The Connections. Use Correct Size O-Rings Made From The Specified Material And Lubricate Them With The Correct PAG Oil Prior To Assembly.
• Inspect And Replace Any Damaged Clamps, Brackets Or Mounting Hardware To Ensure Proper Routing And Prevent Rubbing Against Chassis Components.
• Evacuate The System With A Vacuum Pump And Perform A Leak Test Using Nitrogen Or An Electronic Leak Detector Before Charging.
• Recharge The System With The Manufacturer-Specified Refrigerant And Oil Quantity (Commonly R134a For These Generations) And Verify Cooling Performance Under Load.
• Use Appropriate Personal Protective Equipment And Follow The Vehicle Manufacturer Repair Manual For Sequence And Torque Values.

Most Common Failure Causes

• Corrosion From Road Salt And Moisture Causing Pinholes Or Perforation.
• Mechanical Damage From Road Debris, Impact, Or Incorrect Routing That Causes Chafing.
• Aging And Hardening Of O-Rings Leading To Loss Of Seal And Refrigerant Leaks.
• Contamination From Compressor Failure Or Debris Causing Local Blockages And Increased Pressure.
• Improper Installation Or Reuse Of Old Seals Resulting In Persistent Leaks.

Why Choose This Part

Direct-fit design with common OEM cross-references makes this pipe a practical choice for workshops and skilled DIYers who need a reliable repair that restores original routing and connection geometry. Supplying correct product codes in searches significantly increases the chance to find the exact replacement quickly.