This air conditioning (A/C) climate pipe is a direct-fit replacement designed for mechanics and experienced DIY enthusiasts working on Citroën C4 and Peugeot 307 vehicles with the 2.0i engine. Often searched by part number, this A/C line helps restore proper refrigerant flow in the climate system and is an economical option when diagnosing and repairing leaks or degraded connections. Clear identification by OEM codes speeds up ordering and ensures you get the correct pipe for the job.

Function And Application

The climate pipe carries refrigerant within the vehicle air conditioning system and connects fixed components of the A/C circuit. It maintains a sealed pathway for refrigerant under pressure and includes connection points where seals and clamps ensure leak-free performance. Proper function is essential for cooling efficiency and system reliability.

Benefits For Mechanics And DIYers

– Direct-fit replacement for straightforward installation using standard workshop tools.
– Commonly searched and ordered by part numbers 9656286280, 6460PV, 6460XQ for fast identification.
– Restores sealed refrigerant flow, reducing time spent locating hard-to-find leaks.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Citroën C4; Peugeot 307 (vehicles with 2.0i engine)
• Product Codes: 9656286280, 6460PV, 6460XQ
• Additional Numbers: 6460PV, 6460XQ, 9656286280

Installation Recommendations

Correct installation is critical for a reliable air conditioning repair. Follow these guidelines:

• Recover refrigerant from the system with approved A/C recovery equipment before disassembly. Handling refrigerant requires certified tools and, where applicable, certified personnel.
• Replace all associated O-rings and seals at connection points. Lubricate new O-rings with the correct refrigerant oil to ensure proper sealing and longevity.
• Inspect mounting brackets, clamps, and adjacent hoses for corrosion or damage and replace as needed.
• After fitting the new pipe, perform a vacuum and pressure test, then recharge the A/C system to the manufacturer’s specifications.
• Check the repair for leaks using an electronic leak detector or UV dye method and confirm system pressures and cooling performance during a test run.
• Observe general workshop safety procedures and use appropriate personal protective equipment.

Why This Part Most Commonly Fails

Climate pipes typically fail due to age-related degradation, mechanical stress, and environmental exposure. Common causes include:

• Corrosion at metal joints and fittings, especially in regions exposed to road salt or moisture.
• Cracking or hardening of rubber sections and O-rings caused by heat cycles and oil contamination.
• Vibration and rubbing against adjacent components leading to abrasion or fatigue.
• Improper installation or reused seals that allow slow refrigerant leaks to develop.

Notes For Ordering

Search by OEM numbers 9656286280, 6460PV or 6460XQ to quickly locate the correct climate pipe for Citroën C4 and Peugeot 307 (2.0i). Including these part codes in your listing increases the chance customers find the product via search engines and direct part-number queries.

This air conditioning pipe is designed to replace the original refrigerant line on Citroën C4 and Peugeot 307 vehicles equipped with the 2.0i engine. Built to restore proper refrigerant flow between A/C components, the pipe helps the system reach optimal cooling performance and prevents leaks that lead to reduced efficiency or loss of cooling. Commonly searched by part numbers, this item is ideal for professional mechanics and competent DIY enthusiasts who perform A/C repairs and system maintenance.

The part routes refrigerant between key A/C components and is manufactured to match the fit and connections of the original equipment. Using the correct replacement pipe ensures proper sealing at O-rings and quick connectors, preserves system pressure, and reduces the risk of contamination entering the circuit during service.

Technical Information

• Manufacturer: Stellantis
• Model: Citroën C4; Peugeot 307
• Product Codes: 9650629880; 6460NC
• Other Numbers: NFP

Recommended Installation

• Recover Refrigerant Safely: Before removing the pipe, evacuate the refrigerant using certified recovery equipment. If You Are Not Certified, Have The Procedure Performed By A Qualified Workshop.
• Inspect And Replace Seals: Replace Associated O-Rings And Seals With New, Lubricated Parts To Ensure Leak-Free Connections.
• Clean Connection Points: Remove Corrosion And Debris From Fittings To Ensure Proper Seating And Sealing.
• Pressure Test And Evacuate: Perform A Leak Test And Vacuum The System To Remove Moisture Before Recharging With The Correct Refrigerant And Oil Specified For The Vehicle.
• Torque And Routing: Follow Manufacturer Routing And Fastening Points To Avoid Chafing And Mechanical Stress On The Pipe.

Most Common Cause Of Failure

• Corrosion From Road Salt And Moisture Leading To Perforation Or Weakening Of The Tube.
• Mechanical Damage Or Chafing Caused By Improper Routing, Loose Clips, Or Contact With Other Components.
• Deterioration Of O-Rings And Seals Resulting In Slow Leaks Around Connectors.
• Overpressure Or System Contamination Causing Premature Joint Or Hose Failure.

Replacing The Air Conditioning Pipe As Part Of A Full A/C Service Minimizes Rework: change O-rings, perform a proper vacuum, and recharge the system with The Correct Refrigerant And Oil. Order This Replacement Pipe By Its Part Numbers (9650629880, 6460NC) To Ensure Fast Identification And Fitment For Citroën C4 And Peugeot 307 2.0i Applications.

Overview

This Air Conditioning Pipe Is A Direct-Fit Replacement For The Air Conditioning System On Citroën C4 And Peugeot 307 Vehicles Equipped With The 2.0i Engine. Supplied Under The Reference Numbers 9657451180 And 6460QK, The Part Is Intended For Use By Professional Technicians And Experienced DIY Enthusiasts Who Service Cabin Cooling Systems. It Transports Refrigerant Between System Components To Ensure Efficient Heat Exchange And Stable System Pressure.

Key Benefits

• Direct Replacement For Original Equipment Numbers, Making Identification Easy Via Part Codes.
• Restores Cooling Performance By Replacing Leaking Or Damaged Lines.
• Recommended For Garage Repairs And Confident DIY Replacements With Proper Tools.
• Helps Prevent Further Damage To Compressor And Other AC Components By Eliminating Leaks.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C4; Peugeot 307 (2.0i Engine)
• Product Codes: 9657451180; 6460QK
• Additional Numbers: NFP

Function And Application

The Pipe Carries Refrigerant Under High And Low Pressure Between Components Such As The Compressor, Condenser And Evaporator. It Is A Structural Part Of The Air Conditioning Circuit, Sealed At Joints With O-Rings Or Flared Fittings. A Serviceable, Leak-Free Line Is Essential For Maintaining System Pressure, Cooling Capacity And Lubrication Of The Compressor.

How The Replacement Is Performed

Replacement Should Follow Standard Air Conditioning Service Procedures. Typical Steps Include:

• Recover Refrigerant Using Approved Recovery Equipment (Performed By A Certified Technician Or In A Properly Equipped Workshop).
• Disconnect Electrical Connectors And Remove Components Obstructing Access To The Pipe.
• Unscrew Or Unclip The Old Pipe, Taking Care To Note The Position Of Clamps And Brackets.
• Replace Sealing O-Rings At All Connections With Correct Size O-Rings Lubricated With Correct Refrigerant Oil.
• Install The New Pipe, Secure Brackets And Torque Fittings To Manufacturer Specifications Where Available.
• Evacuate The System With A Vacuum Pump To Remove Moisture And Air, Then Recharge With The Correct Type And Amount Of Refrigerant And Oil.
• Perform A Leak Check And Verify Cooling Performance.

Note: The Procedure Requires Specialized Equipment For Refrigerant Recovery, Evacuation And Recharging. If You Lack The Equipment Or Experience, Have The Work Carried Out By A Qualified Workshop.

Common Failure Causes

• Corrosion From Road Salt And Moisture Leading To Pinholes And Leaks.
• Mechanical Damage From Impact Or Chafing Against Adjacent Components.
• Deterioration Of Sealing O-Rings And Fittings Causing Slow Leaks.
• Vibration Over Time Resulting In Cracks Or Fatigue At Bends And Connections.
• Excessive System Pressure Caused By Blockages Or A Faulty Condenser/Compressor, Which Can Stress The Pipe.

Signs Of A Failing Pipe Include Reduced Cooling Efficiency, Visible Oil Traces Around Joints, Hissing Sounds With The System Running, And Low Refrigerant Levels Detected During Service.

Practical Advice

Always Replace O-Rings When Installing A New Pipe And Use The Correct Refrigerant Oil To Ensure Proper Sealing. Inspect Mounting Brackets And Nearby Components For Damage Or Wear That Could Cause Future Chafing. After Installation, Perform A Thorough Leak Test And Monitor System Pressures To Confirm Correct Operation.

Compatibility And Identification

This Pipe Is Sourced For Vehicles Listed Above And Is Commonly Searched By Part Numbers 9657451180 And 6460QK. Confirm Fitment By Matching These Codes To Your Existing Part When Possible.

Ideal For Garages And Skilled DIYers Seeking A Reliable Replacement Part To Restore Air Conditioning Performance On Citroën C4 And Peugeot 307 2.0i Vehicles.

This air conditioning pipe is a direct-fit service part for Citroën C4 and Peugeot 307/308 models equipped with the 1.6 HDi 16V engine. Designed for professional workshops and experienced DIYers, the pipe restores refrigerant flow between components of the A/C circuit and helps maintain efficient cabin cooling. Ideal when the original line shows signs of leakage, corrosion or mechanical damage, this component is often searched by its product numbers for quick identification and ordering.

Benefits And Application

Replacement of a damaged A/C pipe returns the system to correct operating pressure, prevents refrigerant loss and avoids compressor overload. The part is suitable for routine repairs and collision damage where the A/C refrigerant lines are affected. Fits common Stellantis platforms used by Citroën and Peugeot, ensuring proper routing and connector compatibility.

How It Works And Why It Fails

The air conditioning pipe serves as a rigid or semi-rigid conduit for refrigerant between the compressor, condenser, evaporator and other components. It must withstand high pressure, thermal cycles and vibration. Common failure modes include:

• Corrosion from road salt and moisture leading to pinhole leaks.
• Mechanical damage from impacts or improper handling during repairs.
• Deteriorated O-rings or sealing faces causing refrigerant and oil leaks.
• Fatigue cracking at bends or joints after many heating/cooling cycles.

How To Replace

Only qualified personnel should perform A/C repairs. Typical replacement steps:

• Recover Refrigerant Using Approved A/C Service Equipment Before Disassembly.
• Disconnect Battery If Required By Vehicle Service Manual.
• Remove Any Obstructing Trim Or Components To Access The Pipe.
• Unscrew Or Unclip Pipe Fittings; Inspect And Replace All O‑Rings And Seals.
• Fit New Pipe In Correct Orientation, Tighten Fasteners To Manufacturer Torque.
• Evacuate The System With A Vacuum Pump, Check For Leaks, Then Recharge With Correct Refrigerant And Lubricant.
• Perform A Functional Test Of The A/C System And Check Pressures.

Installation Recommendations

• Always Recover And Recycle Refrigerant Using Certified A/C Equipment; Never Vent To Atmosphere.
• Replace All Associated O‑Rings And Apply Correct Type And Amount Of PAG Oil During Reassembly.
• Use A Vacuum Hold Test To Verify System Integrity Before Charging.
• Follow Vehicle Manufacturer Procedures For Routing And Clamping To Prevent Rubbing And Vibration Damage.
• Inspect Condenser, Receiver/Drier Or Accumulator And Compressor For Contamination When A Leak Occurs; Replace Contaminated Components As Needed.

Most Common Reasons For Failure

In normal service the pipe can fail due to corrosion from road salt, physical impact, degraded seals, or long-term metal fatigue. Leaks are most often discovered during service when pressure drops or when the system cannot hold vacuum after repair. Prompt replacement prevents moisture ingress and compressor damage.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C4; Peugeot 307; Peugeot 308 (1.6 HDi 16V)
• Product Codes: 9658201480, 647742
• Additional Numbers: 647742, 9658201480

Keywords: AC Pipe, Air Conditioning Line, AC Hose, Citroën C4 A/C Pipe, Peugeot 307 A/C Pipe, Peugeot 308 A/C Pipe, 1.6 HDi Air Conditioning.

This air conditioning pipe is designed specifically for Citroen C4 and Peugeot 307, 308 models equipped with the 2.0 HDI RHR engine. It plays a critical role in the vehicle’s climate control system by efficiently transporting refrigerant, which directly affects the cooling performance of the air conditioning system.

Ideal for professional mechanics and DIY car repair enthusiasts alike, this replacement pipe helps maintain and restore optimal AC functionality, especially important during hot weather conditions. The part is commonly searched using the product codes 9658201080 and 647739.

Technical Information

• Manufacturer: PSA
• Models: Citroen C4, Peugeot 307, Peugeot 308
• Product Codes: 9658201080, 647739
• Additional Numbers: RHR 2.0 HDI

The air conditioning pipe is prone to wear over time due to exposure to corrosion or potential cracking, which can result in refrigerant leaks and reduced AC system effectiveness. Replacing an old or damaged pipe with this part from our offer will help keep your vehicle’s air conditioning in excellent working condition.

If you have any questions or need advice on compatibility with your specific vehicle model, please do not hesitate to contact our customer service team. We are here to assist you in ensuring your vehicle remains in top condition all year round.

This air conditioning pipe is designed specifically for the Peugeot 307 2.0 HDI model, ensuring precise fitment and optimal airflow within the vehicle’s climate control system. The pipe plays a crucial role in transporting refrigerant between components, contributing to effective cooling performance and passenger comfort.

Over time, AC pipes can deteriorate due to exposure to heat, pressure, and vibration, which may cause leaks or reduced efficiency in the AC system. Replacing worn or damaged pipes helps maintain the integrity of your vehicle’s air conditioning, preventing costly repairs and improving system reliability.

Installation is straightforward for experienced mechanics and skilled DIYers. The pipe is mounted within the engine bay, connecting to other AC system components such as the condenser and evaporator. Proper sealing and secure fittings are essential to ensure leak-free operation.

Technical Information

• Manufacturer: PSA
• Model: Peugeot 307 2.0 HDI
• Product Codes: 9647878880, 6460CE
• Additional Numbers: NFP

Regular wear and tear can lead to leaks or blockages in the air conditioning system, often resulting in reduced cooling performance. It is advisable to replace the air conditioning pipe at signs of wear, particularly if you experience inconsistent cooling or unusual noises from the AC system.

Installation of the air conditioning pipe is straightforward and can be performed by both professional mechanics and DIY enthusiasts. Simply detach the old pipe and replace it with the new one, ensuring proper sealing to prevent any leaks.

Technical Information

• Manufacturer: PSA
• Model: Citroën C4, Peugeot 307
• Product Codes: 9650628280, 6460QJ
• Other Numbers: 6460LW

High-quality air conditioning (AC) pipe designed to restore reliable refrigerant flow and prevent leaks on Citroën C4 and Peugeot 307 models. Ideal for professional workshops and experienced DIY mechanics, this replacement line fits multiple OEM references including 9657451280 and 6460QL. Replacing a damaged AC pipe restores system pressure, improves cooling performance and eliminates contamination risks that can damage the compressor or other HVAC components.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Citroën C4, Peugeot 307
• Product Codes: 9657451280, 6460QL
• Other Numbers: 9650628180, 9647878780
• Engine Compatibility: 1.4 16V, 1.6 16V, 2.0 16V
• Typical Refrigerant: R134a (common for these model generations)

Function And Application

The pipe transports refrigerant between HVAC components (compressor, condenser, evaporator, receiver/drier or accumulator) and is a pressure-bearing part of the AC circuit. It ensures sealed flow of refrigerant and lubrication oil; a properly functioning pipe is essential to maintain system pressure and cooling efficiency.

Installation Recommendations

• Recover refrigerant using certified recovery equipment before removal—do not vent refrigerant to atmosphere.
• Replace all related O-rings and seals with correct size and material; lubricate O-rings with the specified PAG oil to ensure proper sealing.
• Perform vacuum and leak test after installation, then recharge the system to the manufacturer’s specified refrigerant and oil charge.
• Use proper tools: AC recovery/recharge station, manifold gauges, vacuum pump, torque wrench and basic hand tools. Estimated labor time: 1–2 hours depending on access and experience.
• Follow safe workshop practices and vehicle manufacturer procedures when working near electrical components and airbag systems.

Most Common Failure Causes

• Corrosion from road salt and moisture leading to pinhole leaks.
• Chafing or abrasion where the pipe contacts bodywork or brackets, causing wear-through.
• Impact or accident damage deforming or cracking the line.
• Degraded or hardened O-rings and seals at pipe connections causing refrigerant loss.
• Vibration fatigue from loose mounting or worn brackets.

There is no fixed replacement interval for AC pipes; replace when leaks, visible damage, or contamination are found. Symptoms of failure include reduced cooling, audible hissing, visible oil or dye at joints, and fluctuating system pressures.

Searchable by part numbers 9657451280, 9650628180, 9647878780 and 6460QL — a practical spare for mechanics stocking common Citroën and Peugeot HVAC parts.

High-quality air conditioning pipes designed for Citroën C4 and Peugeot 307 models, supplied as ready-to-fit lines that maintain system integrity and refrigerant tightness. These AC pipes are engineered to the OEM fitment standards, carrying refrigerant between compressor, condenser, evaporator and receiver/accumulator. Ideal for mechanics and experienced DIYers looking to restore cooling performance or repair leaks in R134a systems. Commonly searched by product codes 9658201280 and 647741.

Key Features

– Direct fit for Citroën C4 and Peugeot 307.
– Robust construction with factory-style fittings and sealing surfaces to ensure long-lasting leak resistance.
– Compatible with R134a refrigeration systems.
– Supplied undamaged and fully sealing, ready for installation with new O-rings and proper refrigerant service.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: Citroën C4, Peugeot 307
• Product Codes: 9658201280, 647741
• Additional Numbers: R134A

Installation Recommendation

Recover refrigerant using certified recovery equipment before starting work. Replace all O-rings and seals with new, correctly sized parts lubricated with the appropriate PAG oil. After fitting the pipes, evacuate the system with a vacuum pump to remove moisture and check for leaks using a leak detector or appropriate method. Recharge the system with the correct type and quantity of refrigerant (R134a) and the specified compressor oil according to manufacturer data. Tighten fittings to the recommended torque and secure routing to avoid chafing.

How To Replace

1) Safely recover refrigerant from the A/C system.
2) Unbolt and detach the damaged pipe sections; keep track of clamps and brackets.
3) Fit the new pipes, install new O-rings and apply correct lubricant.
4) Reassemble connections, evacuate the system, perform a leak test and then recharge to the specified refrigerant charge.
5) Run the system and verify pressure and cooling performance.

Why The Part Fails Most Often

AC pipes typically fail due to corrosion (especially at joints), mechanical damage from road debris or improper previous repairs, degraded O-rings and seals, or loss of clamping/support that causes vibration and chafing. Contamination in the system and age-related material fatigue also contribute to leaks.

Practical Tips

– Always replace O-rings when opening the system.
– Use OEM-equivalent parts and correct refrigerant oil to prevent premature leaks.
– Inspect adjacent components (compressor, condenser, hoses, dryer/accumulator) for damage when replacing pipes.
– If you are not equipped to recover and recharge refrigerant, have the refrigerant service performed by a certified workshop.

Compatibility

Fits Citroën C4 and Peugeot 307 models that use R134a air conditioning systems. Confirm fitment by matching the product codes 9658201280 or 647741 with the vehicle parts list.

Over time, air conditioning pipes can wear down due to exposure to high temperatures, vibrations, and environmental factors. Regular inspections are recommended to ensure optimal performance, especially in climates that require frequent use of air conditioning. A faulty air conditioning pipe can lead to refrigerant leaks, resulting in inadequate cooling and potential damage to the entire air conditioning system.

Technical Information

Manufacturer: PSA Citroën Peugeot

Model: Citroën C4, Peugeot 307

Product Codes: 9645622080, 9653258080, 6460NY

Additional Numbers: 6460NY