Description
Intake Air Resonator for CITROEN and PEUGEOT 1.6 HDI
High-quality replacement intake air resonator designed for Stellantis Citroën and Peugeot vehicles equipped with the 1.6 HDi diesel engine. This resonator (OE references 9653777580 / 4026 003524 / 144054) reduces intake noise, smooths airflow in the intake tract and helps maintain stable air pressure ahead of the engine. Ideal for professional garages and experienced DIY mechanics who search by product code (9653777580, 144054) to secure a direct-fit replacement that restores proper intake behaviour and reduces unwanted resonance and whistle noises.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Vehicles With 1.6 HDi Engines (Example: Citroën Xsara Picasso)
- Product Codes: 9653777580; 4026 003524; 144054
- Other Numbers: 144054
Function And Benefits
The resonator is a part of the intake tract that attenuates pressure pulses and reduces intake noise transmitted into the cabin. By smoothing airflow it can contribute to more consistent air delivery to the turbocharger and engine, supporting stable idle and reduced audible resonance. Replacing a damaged resonator restores normal intake acoustics and eliminates air leaks that can affect running quality.
Common Failure Causes
- Ageing And Material Fatigue: Plastic or rubber components can crack or become brittle over time due to heat and vibration.
- Mechanical Damage: Impact or improper handling during repairs can cause splits or deformations.
- Contamination: Oil carryover or heavy soot can degrade seals and attachment points.
- Loose Or Worn Clamps/Hoses: Failure of adjoining hoses or clamps leads to vacuum leaks and increased intake noise.
Installation Recommendations
- Inspect All Related Hoses And Clamps: Replace brittle or corroded clamps and hoses when fitting the new resonator to ensure an airtight seal.
- Work On A Cool Engine: Allow the engine to cool before removing intake components to avoid burns and to prevent stress on brittle materials.
- Fit Correctly And Securely: Ensure correct orientation and full seating of the resonator; tighten clamps evenly to avoid distortion. Avoid overtightening plastic connections.
- Leak Check After Installation: Start the engine and listen for abnormal intake noise; perform a visual inspection for loose connections or visible leaks.
- Recommended For Professionals And Experienced DIYers: Although replacement is straightforward for trained technicians, follow manufacturer service guidance and use basic shop tools.
Fitment And Notes
Fits Citroën and Peugeot vehicles equipped with the 1.6 HDi engine using OE references listed above. Commonly fitted to models such as Citroën Xsara Picasso; also compatible with other vehicles that use the same OEM part numbers. Many customers search by code 9653777580 or 144054 when seeking this specific resonator.
Why Replace It?
Replace the resonator when you notice increased intake noise, rattling or whistling from the intake area, rough idle, or visible cracks and leaks. Timely replacement prevents air leaks that may affect drivability and fuel economy and removes unwanted cabin noise.







