Description
Air filter box, air filter housing for Citroën C3 and Peugeot 1007 with 1.4 HDi 66 kW engine.
This air filter housing is a direct-fit replacement designed for Citroën C3 and Peugeot 1007 models equipped with the 1.4 HDi (66 kW) engine. Suitable for professional workshops and DIY mechanics, the unit secures the air filter element, ensures correct airflow to the intake system and protects downstream sensors and turbocharger components from dust and debris. Commonly searched by part numbers, this component helps restore correct sealing and prevents unmetered air entry that can cause rough idling or reduced engine performance.
Technical Information
- Manufacturer: Stellantis
- Model: Citroën C3 (1.4 HDi, 66 kW); Peugeot 1007 (1.4 HDi, 66 kW)
- Product Codes: 9647066980, 9647066880, 1420L3
- Other Numbers: NFP
Compatibility And Fitment
Fits the listed Citroën and Peugeot models with the 1.4 HDi 66 kW engine. When searching, use the product codes above to find exact matches. The part is intended as a replacement for the original air box assembly and will use the existing mounting points and intake ducts on the vehicle.
Installation Recommendations
Before starting, allow the engine to cool. Basic steps for replacement:
- Open the bonnet and locate the air box assembly.
- Loosen hose clamps and remove intake hoses connected to the air box.
- Disconnect any electrical connectors or sensors attached to the air box (e.g., MAF/airflow sensor) and carefully rest them aside to avoid damage.
- Undo retaining screws or clips holding the air box cover and remove the cover to extract the air filter element.
- Remove the lower housing or the whole housing depending on mounting; lift out the old unit and fit the replacement, ensuring all seals and ducts seat correctly.
- Reattach clamps, connectors and any brackets, then check that all fasteners are secure and that hoses are free of kinks.
- After installation, start the engine and listen for air leaks; re-check fittings after a short test drive.
It is recommended to replace the air filter element at the same time and to inspect intake hoses and sensor connectors for damage or contamination.
Most Common Failure Reasons
Air filter housings generally have a long service life but are commonly replaced for the following reasons:
- Broken Mounting Tabs Or Clips: Repeated servicing or overtightening can crack plastic clips and brackets.
- Cracks From Heat And Vibration: Age-related embrittlement and engine bay vibration can produce fractures that allow unfiltered air ingress.
- Poor Seal Or Damaged Gaskets: A damaged seal between the cover and housing leads to bypass of the filter element.
- Contamination And Water Ingress: Heavy dust or water entering the box can compromise the filter and sensors.
When the housing is damaged, replacement is necessary to restore correct filtration and engine air metering.
Maintenance Tips
Inspect the air box and filter element during regular service intervals. Replace the air filter element according to service schedule or sooner in dusty conditions (commonly every 20,000–40,000 km depending on driving environment). Always ensure clamps and sensor connectors are correctly refitted to prevent air leaks or sensor errors.
Order using the listed product codes for quick identification and fitment to Citroën C3 and Peugeot 1007 1.4 HDi applications.
