Description
Air Connection 1.6 e-HDi Citroën Peugeot
Product Description
This air connection hose is designed for the 1.6 e-HDi diesel engines used across various Citroën and Peugeot models. It forms part of the intake/charge-air system and provides a secure path for air between turbocharger, intercooler and intake tract where applicable. The part is often searched for and ordered by its product codes, so you will frequently encounter the item under the listed reference numbers.
Compatibility
Fits the following models (common applications):
- Citroën Berlingo B9
- Citroën C4 II
- Citroën C4 Picasso
- Peugeot 3008 I
- Peugeot 308
- Peugeot 5008 I
- Peugeot Partner Tepee
- Peugeot 508
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: 1.6 e-HDi
- Product Codes: 9685598580, 9686523980, 9685598280
- Other Numbers: 0382PJ
Function
The hose connects elements of the engine air circuit and is responsible for conveying intake or boosted air without leaks. It must maintain shape and sealing under pulsating pressure, temperature changes and exposure to engine oil vapors. Proper sealing ensures correct boost pressure, engine performance and fuel economy.
Common Symptoms Of Failure
- Loss of turbo boost pressure and reduced engine performance.
- Unstable idle, hesitation or turbo spool delays.
- Visible cracks, splits or oil-soaked areas on the hose.
- Intermittent engine warning lights related to air/fuel mixture or boost sensor values.
Common Failure Causes
- Aging and material degradation due to heat cycles and engine bay conditions.
- Oil contamination from crankcase ventilation or turbocharger leaks that soften and weaken the rubber.
- Mechanical damage during previous service or from loose clamps and mounting points.
- Excessive boost or turbocharger issues that subject the hose to pressures beyond design limits.
Installation Recommendations
- Allow Engine To Cool: Replace the hose only when the engine is cool to avoid burns and to ensure clamps can be handled safely.
- Inspect Adjacent Components: Check clamps, pipes, intercooler connections and mounting brackets. Replace damaged clamps or seals to ensure a reliable fit.
- Remove Old Hose Carefully: Loosen clamps, note orientation and routing, then remove the old hose to avoid damaging nearby sensors or pipes.
- Fit New Hose Correctly: Ensure correct orientation and full seat on connection lips. Use appropriate worm-gear or OE-spec clamps and tighten evenly to avoid deformation.
- Pressure Check: After Installation, start the engine and check for boost leaks at idle and under light load. Road-test the vehicle to confirm proper response and absence of fault codes.
Why Replace With This Hose
Replacing a compromised air connection hose is a cost-effective way to restore correct boost control and engine response. Because this part is commonly searched by its product codes, choosing the correct reference ensures fitment and compatibility with the 1.6 e-HDi installations in Citroën and Peugeot vehicles.
Notes
When ordering, confirm the part code matches one of the listed references to ensure fit. Regular inspection during routine service will help detect early deterioration and prevent driveability issues associated with intake leaks.








