High-quality replacement air intake filter box designed for Citroën and Peugeot 1.6 e-HDI engines. This OE-fit part (references 9673061080 / 1420V1) houses the air filter element, secures intake connections and helps maintain correct airflow and filtration for turbocharged diesel engines. Built to the factory fitment specifications, the unit restores proper sealing at hose connections and the mass air flow sensor flange to prevent unmetered air and ensure accurate engine management. Ideal for professional workshops and experienced DIY technicians looking for a direct-fit solution that simplifies maintenance and reduces intake leaks.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: 1.6 e-HDI
• Product Codes: 9673061080, 1420V1
• Other Numbers: OEM Reference Numbers As Above

Compatibility

• Citroën Berlingo B9
• Citroën C3 Picasso
• Citroën C4 II
• Citroën C4 Picasso
• DS4
• Peugeot 3008 I
• Peugeot 308
• Peugeot 5008 I
• Peugeot Partner Tepee

Function And Common Failure Causes

The filter box secures the air filter element and directs filtered air to the turbocharger and intake tract while providing a mounting point for the Mass Air Flow (MAF) sensor or air temperature sensors. Common issues include cracked plastic housing or broken mounting tabs from age and vibration, damaged sealing lips causing unmetered air ingress, and internal contamination by oil or water leading to sensor errors. A damaged or leaking filter box can cause rough idling, poor fuel economy, increased emissions and MAF-related fault codes.

Installation Recommendations

• Work On A Cold Engine: Ensure The Engine Is Off And Cool Before Starting.
• Disconnect Electrical Connectors Carefully: Gently Release The MAF Or Sensor Connector To Avoid Damage.
• Release Hose Clamps And Fasteners: Remove Intake Hoses, Clips Or Screws Securing The Box; Keep Track Of Fasteners For Reassembly.
• Replace Seals And Clamps Where Necessary: Always Fit New Hose Clamps Or Sealing Gaskets If The Old Ones Are Worn.
• Inspect Related Components: Check The Air Filter Element, MAF Sensor And Intake Hoses For Damage Or Contamination And Replace If Needed.
• Perform A Seal And Leak Check After Installation: Start The Engine And Inspect For Vacuum Leaks Or Unusual Noises.

Recommended Maintenance Interval

Inspect The Airbox And Filter Element At Regular Service Intervals. Replace The Air Filter According To The Manufacturer’S Schedule; Typical Intervals Range From 20,000 To 40,000 Km Depending On Driving Conditions. Replace The Filter Box If Cracks, Broken Mounts Or Degraded Seals Are Found.

Why This Part Fails Most Often

Failures Are Usually Caused By Ageing Plastic (Brittleness From Heat Cycles), Mechanical Impact (Road Debris Or Improper Handling), Deteriorated Seals Allowing Unfiltered Air Ingress, Or Contamination From Engine Oil/Water. Broken Mounting Tabs Are A Frequent Cause After Many Years Or Following Rough Service Removal.

Why Choose This Unit

This filter box Provides A Direct-Fit Replacement To Restore Proper Intake Sealing And Sensor Mounting Geometry. It Helps Avoid Air Leaks That Lead To Engine Management Faults And Restores Correct Airflow For Reliable Performance. Suitable For Professional Fitters And Skilled DIY Enthusiasts Seeking A Straightforward, OEM-Referenced Replacement.

This replacement filter box (airbox) fits the 1.6 HDi 80 kW (engine code 9HZ) family used in Citroën C5 II (X7) and Peugeot 407 models. It houses the engine air filter and ensures clean, metered airflow to the engine management system and turbocharger. The part is often searched and identified by OE numbers, making it easy for professional mechanics and DIY enthusiasts to find the correct unit for service or repair.

Designed to restore proper intake sealing and reduce unwanted air leaks, this airbox helps maintain engine performance, fuel efficiency and reliable operation of the mass air flow (MAF) sensor. Replacing a damaged or cracked airbox eliminates unfiltered air ingestion and prevents related issues such as poor idling, reduced power and false air readings.

Technical Information

• Manufacturer: Stellantis (Citroën, Peugeot)
• Model: Citroën C5 II (X7); Peugeot 407 — Engine 1.6 HDi 80 kW (9HZ)
• Product Codes: 9685205580, 9651883080, 1420N9
• Other Numbers: 9648938580

Installation Recommendations

1. Park on a level surface, engage the parking brake and isolate the ignition.
2. Disconnect the negative battery terminal if you will be handling electrical connectors (recommended when removing the MAF sensor).
3. Remove the intake ducting and any sound deadening resonator attached to the airbox. Loosen hose clamps and unclip retaining fasteners.
4. If equipped, carefully unplug the MAF sensor connector and remove the sensor from the airbox housing to avoid damage. Keep screws and seals clean and reuse if undamaged.
5. Unscrew or unclip the airbox mounting points and extract the old housing. Inspect mounting rubbers, hoses and clamps; replace any brittle or damaged items.
6. Install the new airbox, refit the MAF sensor and reconnect electrical connectors, ensuring a proper seal. Reconnect intake ducts and tighten clamps securely but do not overtighten plastic fixings.
7. Fit a new air filter element at the same time for best performance and to prevent immediate contamination of the new housing.
8. Perform a visual leak check and start the engine to verify normal idling and absence of intake leaks or abnormal noises.

Why The Part Fails Most Often

• Plastic Fatigue And Heat Cycling: Long-term exposure to engine bay heat and vibration causes cracks or warped sealing surfaces.
• Impact Or Poor Handling: Damage during repairs or from road debris can break mounting tabs or create cracks.
• Clogged Or Saturated Filter Element: A neglected air filter can become saturated with dirt or oil, leading to excessive pressure differentials and stress on the housing.
• Oil Contamination Or Turbo Leaks: Oil ingress from turbocharger or PCV systems can degrade plastic and seals over time.

Maintenance And Signs Of Failure

Inspect the airbox each time you replace the air filter (typical service interval ~20,000 km under normal conditions, sooner in dusty environments). Replace the airbox if you find visible cracks, damaged mounting tabs, a compromised seal around the filter element or evidence of oil/water ingress. Common symptoms of a failing airbox include rough idle, reduced power, increased fuel consumption and inconsistent MAF readings.

Because technicians and DIY mechanics frequently look up parts by OE numbers, the listed product codes make it straightforward to confirm fitment and order the correct replacement for Citroën C5 II (X7) and Peugeot 407 1.6 HDi 80 kW (9HZ) models.

This filter box is designed for the 1.6 HDi 80 kW diesel engines used in Citroën C5 II (X7) and Peugeot 407. Ideal for mechanics and DIY enthusiasts who search by OE numbers, this replacement part restores correct air routing and protects the engine by housing the air filter element. The robust construction ensures secure mounting and reliable sealing to prevent unfiltered air ingress, which can cause performance loss and increased wear. Featuring compatible product codes listed below, the unit is a direct-fit part for affected models and simplifies workshop replacement with common tools.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C5 II (X7); Peugeot 407
• Product Codes: 9659405080; 9651883080; 1420N9
• Additional Numbers: 1.6 HDi, 80 kW

Function And Benefits

The filter box houses the engine air filter and channels intake air to the turbocharger and engine. A properly sealed filter box prevents contamination from dust, moisture and debris, helping to maintain fuel economy, throttle response and turbocharger longevity. Replacing a damaged filter box restores correct air metering and prevents unfiltered air from bypassing the filter element.

Typical Replacement Interval And Symptoms

Filter boxes do not have a fixed service interval and usually last the life of the vehicle unless damaged. Replace the unit if you notice visible cracks, broken mounting tabs, persistent check-engine lights related to intake or mass-air readings, unusual whistling from the intake, or if the airbox no longer seals properly. Addressing a faulty filter box promptly prevents accelerated wear of the air filter and downstream components.

Installation Recommendations

• Prepare basic workshop tools: screwdriver set, socket set and new clamps if required.
• Disconnect the battery if you will unclip or disconnect any sensors near the airbox to avoid accidental faults.
• Release clamps and remove intake ducts connected to the airbox; carefully unplug any sensors (e.g., MAF) if present and note their orientation.
• Remove fixing bolts or clips and lift out the old filter box with the air filter element; inspect and replace the filter element if needed.
• Fit the new filter box, ensuring all sealing surfaces and gaskets are clean and correctly seated; tighten clamps to proper torque and reconnect sensors and ducts.
• Start the engine and check for intake leaks, unusual noises and that no diagnostic warnings remain.

Why This Part Most Often Fails

• Physical Damage: Impact or improper handling can crack the housing or break mounting tabs during maintenance.
• Age And Heat Cycling: Prolonged exposure to engine heat and vibration can embrittle plastic, leading to hairline cracks and leaks.
• Poor Sealing: Worn or damaged gaskets and loose clamps allow unfiltered air ingress, causing contaminants to bypass the filter element.
• Aftermarket Modifications: Incorrectly fitted intake upgrades or clamps can stress mounting points and accelerate failure.

Pick this filter box when you require a direct-fit replacement for Citroën C5 II (X7) and Peugeot 407 1.6 HDi 80 kW applications. Use the OE product codes 9659405080, 9651883080 or 1420N9 to find the correct listing quickly and ensure compatibility with the targeted engine variant.

Suitable for vehicle owners and car mechanics looking for reliable and affordable car parts, this air filter filter filter is an ideal choice for Citroën and Peugeot. Specially designed for cars with 1.6 HDI engine, this part ensures optimal function and performance of your vehicle, which is essential to maintain the purity of the intake air and the overall efficiency of the engine.

During the life of the car, the air filter cover is a key component that protects the air filter from damage and contamination. Regular replacement or control of this part may prevent many engine problems, including reduced performance and increased fuel consumption. Experts recommend checking the filterbox at each check or replacement of the air filter.

Technical information

• Manufacturer: dog Citroën Peugeot
• Model: Citroën (C3, C4, C4 Picasso, Berlingo) and Peugeot (206, 207, 208, 308, 407, 508, Partner)
• product codes: 9656581180, 1420r7
• additional numbers: not available

This filter has been tested and is ready for installation. Replacement of Filbox is a process that can make a qualified car mechanic or experienced home handyman using basic tools. Thanks to the general expansion of this type of 1.6 HDI engines in the Citroën and Peugeot models, this part is highly compatible and easily accessible to the different vehicles of the vehicles above.

If you are looking for a reliable and proven filterbox for your Citroën or Peugeot, this product is a great choice that ensures that your engine remains protected and works efficiently. Remember that regular maintenance and control of these components can significantly extend your vehicle’s life.

Original filter (air filter cover, airbox) for 1.6 HDI engines from PSA concern. Suitable for selected Citroën and Peugeot models. This part ensures clean and quiet air intake into the engine, reduces intake noise and creates the right space for inserting the filter insert. Ideal replacement when rupture of plastic, breaking holders or leaks of suction that can cause irregular idle, increased smoke or error codes related to air measurement.

Compatibility corresponds to the 1.6 HDI (DV6) engine for popular Citroën C3/C3 Picasso, C4/C4 Picasso, Berlingo and Peugeot 206, 207, 307, 308, partner. Please compare parts and shape numbers with the original part – some versions may vary according to the year of production and type of suction.

Why choose the original PSA part: accurate mounting without modifications, maintaining proper tightness tightness and reliable filter storage. In this type of engine, the filterbox is one of the parts that eventually suffer from plastic fatigue (heat, vibration) and mechanical damage during handling – replacement brings rapid removal of undesirable leaks and noise.

Installation tips: The replacement is usually fast – release the buckles and suction hoses, disconnect any sensors around the box, remove the old part and transfer the brackets/insulators and lid if they are not included. Check the seals and buckle status, replace the filter insert and tighten everything after seating so that they are not in the suction of false attachments.

Technical information

• Manufacturer: PSA Peugeot Citroën (OEM)
• Model: Citroën C3, C3 Picasso, C4, C4 Picasso, Berlingo; Peugeot 206, 207, 307, 308, partner; 1.6 HDI (DV6) engine
• product codes: 1420R7
• Other numbers: 9663365980, 9649899680, 9656581180

Looking for a 1.6 HDI filter under codes 1420R7, 9656581180, 9663365980 or 9649899680? This original part is the right choice for rapid suction repair and restore the air filter function. Before ordering, we recommend verifying the part number according to the VIN and visually compare the shape and location of the connections.

Original filter (air filter cabinet) for PSA engines 1.6 HDI DV6. This suction cabinet is designed for selected Citroën and Peugeot models and is used to safely store and seal the air filter, damping of suction noise and proper intake air to the turbocharger. Air Weight (MAF) – Air weight sensor is not included.

Correctly sealing airbox is essential for engine performance, consumption and lifetime of the turbo. A cracked cabinet, damaged lid paws or leaking connections can cause fake air suction, irregular operation and increased consumption. Replacing a defective filterbox to restore the tightness of the intake and a stable 1.6 HDI operation.

Compatibility by part number: Citroën C3, C3 Picasso, C4, C4 Picasso, Berlingo; Peugeot 206, 207, 208, 308, 407, 508, partner (1.6 HDI DV6). Always compare shape, connections and OE/OEM numbers before buying with your original work.

Exchange – Brief procedure: Disconnect the suction hose to the turbo and ventilate the crankcase, release the holders and screws of the cabinet, remove the old filterbox and transfer rubber silentblocks or inserts as needed. When mounting, check the condition of the seal, the correct lid and the fixed clip clip. After installation, put on a clean air filter and check that there are no leaks on the suction route.

Typical defects of the original part: damaged mounts and lid buckles, cracks in plastic, running storage, hardened seals. They are reflected in the sykot of suction, power fluctuations and higher consumption. You will prevent undesirable suction and excessive filter clogging.

Technical information

• Manufacturer: dog (Citroën/Peugeot), original part of the removal
• Model: for selected versions of Citroën C3, C3 Picasso, C4, C4 Picasso, Berlingo; Peugeot 206, 207, 208, 308, 407, 508, Partner – 1.6 HDI (DV6), without air weight
• product codes: 1420r7 (1420.R7)
• Other numbers: 9649899680, 9663365980, 9656581180

Key advantages: original dog quality, proper suction geometry for 1.6 HDI, design without MAF, compatibility verifiable by OE numbers. To be sure of compatibility, we recommend that you follow these codes and visually compare the shape of the cabinet and hose connections.

Update your Citroën or Peugeot with high -quality filterbox designed for 1.6 HDI models. This part ensures reliable and efficient air passage into the engine without the presence of air weight, which is essential for the proper functioning of the engine. The optimal state of the filter is key to maintaining the air purity entering the engine, which directly affects the performance and consumption of your vehicle.

Technical information:
Manufacturer: PSA Citroen Peugeot
Model: Citroen C3, C4, C4 Picasso, Berlingo; Peugeot 206, 207, 308, partner
product codes: 9663365980, 9649899680, 9656581180, 1420r7
Other numbers: without specific additional numbers.

This Filbox is designed for a large range of models, making it a very universal spare part. Filbox can be replaced separately with the usual tools for working on vehicles, and it is recommended to replace the regular maintenance of the car. Thanks to the correct maintenance and timely replacement of the filterbox, you will ensure that your vehicle engine operates efficiently and with minimal fuel consumption.

Buy with confidence spare parts for your Citroën and Peugeot cars in our country, where you will find used car parts in good condition at affordable prices. This 1.6 HDI engines will help you keep your car in optimal condition without having to invest in expensive new parts.

The air filter housing (filter box) designed for Citroën C3 and Peugeot 1007 with the 1.4 HDi 66 kW engine is an essential under-bonnet component that secures the air filter element and directs clean air to the engine. This replacement unit fits OE references 9647066980, 9647066880 and reference 1420L3, making it an ideal spare part for professional workshops and DIY mechanics seeking reliable airflow management and engine protection. Installing a correct, undamaged airbox helps maintain engine performance, fuel economy and prolongs the life of the air filter and intake sensors.

Suitable for routine maintenance or accident repairs, this airbox is a direct-fit part for vehicles listed and is commonly searched by its part numbers, so including the reference codes in your order ensures quick identification. Robust construction ensures secure mounting and proper sealing to prevent unfiltered air ingress. For mechanics, the unit speeds up replacement jobs and helps restore correct intake routing after wear, impact or broken mounting tabs.

Technical information

• Manufacturer: Citroën / Peugeot (Stellantis)
• Model: Citroën C3; Peugeot 1007
• Product Codes: 9647066980, 9647066880
• Other Numbers: 1420L3

Installation Recommendation

• Park the vehicle on a level surface, engage the handbrake and disconnect the battery if you will be handling electrical connectors (e.g., MAF sensor).
• Open the bonnet and locate the airbox assembly on the intake side. Remove the air intake hose clamps and any retaining clips or screws securing the top cover.
• Carefully disconnect the mass air flow (MAF) sensor and any breather hoses attached to the airbox—mark hoses if needed for correct reassembly.
• Remove the old housing, noting mounting points and rubber seals. Fit the replacement housing in the same orientation and secure all clips, screws and mounting fasteners.
• Reinstall the air filter element, reconnect hoses and the MAF sensor, then test for secure fitment and absence of air leaks before road testing the vehicle.
• Use a new air filter element when replacing the housing to guarantee proper sealing and filtration efficiency.

Most Common Failure Reasons

Airbox failures are usually caused by brittle plastic due to long-term heat cycling, broken mounting tabs from vibration or impact, and degraded sealing surfaces that allow unfiltered air to bypass the filter element. In some cases, previous improper removal or overtightening of fasteners can crack the housing. Accumulated dirt or oil can also affect seals and connections, compromising airflow hygiene and sensor readings.

Why Replace This Part

A damaged or leaky air filter housing can allow unfiltered air into the intake, risking premature engine wear and inaccurate mass air flow readings that affect drivability. Replacing the airbox restores proper intake routing, protects the engine, and ensures the air filter performs as intended. For professionals and home mechanics, replacing a faulty airbox is a cost-effective way to maintain engine health and avoid secondary damage to sensors and the intake system.