This air conditioning pipe (OE numbers 9684310980 / 6477G6) is a direct-fit replacement designed for Peugeot and Citroën models. Ideal for professional workshops and experienced DIYers, the part restores correct refrigerant flow between HVAC components and helps return the system to full cooling performance. The product description and reference numbers are commonly used when searching or ordering replacement parts, so include the codes 9684310980 and 6477G6 when looking up fitment.

Features And Benefits

– Direct replacement for factory-installed air conditioning lines where listed part numbers apply.
– Durable metal construction with factory-standard sealing surfaces and fittings to ensure reliable connection and service life.
– Supplied to match original attachment points for straightforward installation and correct routing.
– Part numbers frequently used by garages and parts suppliers: 9684310980, 6477G6 (also referenced as 6477.G6).

Technical Information

• Manufacturer: Stellantis (Peugeot / Citroën)
• Model: Peugeot 308, Peugeot 3008, Peugeot 5008, Peugeot RCZ; Citroën C4, Citroën C4 Picasso
• Product Codes: 9684310980, 6477G6
• Additional Numbers: 6477.G6; 6477G6; 9684310980

Installation Recommendations

Replacement of an air conditioning pipe should follow safety and environmental rules. Recommended procedure:

• Recover refrigerant using an approved A/C service station before any disassembly.
• Remove retaining clips, brackets and fittings to access the defective pipe. Keep track of bolt and clip locations for reassembly.
• Always replace sealing O-rings at every connection. Lubricate new O-rings with the correct refrigerant oil specified for the vehicle.
• Fit the new pipe ensuring correct orientation and secure all clamps and brackets to manufacturer torque values.
• Evacuate and vacuum the system, then recharge with the refrigerant type and charge quantity specified by the vehicle manufacturer.
• Perform a leak test (electronic detector or UV dye) and verify system pressures and cooling performance before returning the vehicle to service.

If you are not equipped with the proper A/C recovery and charging tools, have the installation completed by a qualified workshop to comply with environmental and safety requirements.

Why This Part Fails Most Often

• Corrosion and galvanic attack from road salt and moisture causing deterioration of the metal or fittings.
• Mechanical damage from road debris or impact when undercarriage protection is compromised.
• O-ring deterioration leading to slow leaks at connections due to age, heat cycling or incorrect lubrication during previous service.
• Fatigue or vibration-induced loosening of clamps and brackets resulting in chafing and eventual leakage.

Service Advice

During A/C system repairs, inspect adjoining components (compressor, condenser, evaporator, hoses and dryer/accumulator). Replace O-rings, filter-drier/desiccant and add correct type and amount of refrigerant oil as per vehicle specification. Regular visual inspections during routine servicing help catch leaks early and prevent compressor damage caused by refrigerant or oil loss.