Description
Intake Air Inlet Neck 2.0 16V for Citroën and Peugeot Vehicles. It Is From Peugeot 307 2.0 16V 130 kW.
This replacement intake air inlet neck is designed for the 2.0 16V engines used in certain Citroën and Peugeot models. Built to restore proper airflow to the engine, it eliminates vacuum leaks, improves throttle response and helps maintain correct air–fuel mixture. The part is commonly sought by part number (9643568280, 143437), making it easy for workshops and DIY enthusiasts to find the exact fit.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Peugeot 307 2.0 16V 130 kW; Compatible With Some Citroën C4 2.0 16V Applications (engine-dependent)
- Product Codes: 9643568280, 143437
- Additional Numbers: NFP
Typical Lifespan And Symptoms Of Failure
Intake hoses and inlet necks are subject to heat, vibration and chemical exposure from engine bay vapors. They typically last many years but can become brittle or develop cracks after prolonged service. Common symptoms of a failing inlet neck include hissing or whistling noises from the intake area, rough idle, loss of low-end power, unexpected Check Engine Light related to air metering, and poor fuel economy.
Installation Recommendation
- Park the vehicle on a level surface and allow the engine to cool. For safety, open the hood and work with the ignition off.
- Locate the air filter housing and follow the intake tract to the inlet neck. If present, carefully unplug the Mass Air Flow (MAF) sensor connector before loosening clamps—avoid pulling on the wiring.
- Loosen the hose clamps securing the inlet neck, remove any retaining clips, and detach the old neck from both the airbox and throttle body or turbo inlet.
- Compare the new part to the old one to confirm correct orientation and fit. Fit the new inlet neck, seating it fully on mating surfaces, then tighten clamps evenly to ensure an airtight seal.
- Reconnect the MAF sensor connector if applicable. Start the engine and listen for air leaks; re-check clamp tightness after a short test drive.
Tip: Replace corroded or weak clamps and inspect surrounding intake components (airbox seals, hoses, vacuum lines) while performing the job to avoid repeated failures.
Why The Part Most Often Fails
- Age And Heat Degradation: Plastic and rubber materials become brittle over time due to continuous heat cycles.
- Chemical Exposure: Oil vapor and fuel residues can weaken the material.
- Vibration And Mechanical Stress: Engine movement and improper clamp tension cause abrasion or cracking.
- Poor Previous Repairs: Incorrectly fitted clamps or kinked hoses create stress points that accelerate failure.
This inlet neck is a practical, direct-replacement solution for mechanics and DIYers who need a reliable part to restore intake integrity on compatible Citroën and Peugeot 2.0 16V engines. When searching, use the product codes 9643568280 or 143437 to find the exact match quickly.
