Description
Overview
Premium Turbo Intake Hose for 1.6 HDI engines fitted to Citroën and Peugeot vehicles. This direct-fit hose (OEM references 9656953680, 143453, 1434E1) ensures reliable airflow between the turbocharger, intercooler and engine inlet. Designed for professional workshops and DIY enthusiasts who need a dependable replacement to recover engine responsiveness and fuel economy.
Key Benefits
- Direct fit for specified Citroën and Peugeot 1.6 HDI models — simplifies installation and reduces downtime.
- High-temperature and pressure-resistant construction for long service life under boost conditions.
- Restores correct turbo air path to improve throttle response, power delivery and fuel consumption.
- Often searched by product codes: 9656953680, 143453, 1434E1 — enter these codes to find the exact replacement quickly.
Function And Common Failure Modes
The turbo intake hose routes pressurised (and often cooled) air from the turbocharger or intercooler to the engine intake. Over time the hose can develop cracks, splits or hardening due to heat cycles, oil contamination or vibration. Common symptoms of a failing hose include loss of boost, poor acceleration, increased fuel consumption and occasional hissing or whistling noises under load.
When And Why To Replace
Inspect the intake hose during scheduled maintenance or when boost-related symptoms appear. Replace the hose if you find visible cracks, soft spots, oil-swollen rubber, loose connections or damaged clamps. Timely replacement prevents air leaks that can harm turbocharger efficiency and engine performance.
Installation Tips (For Mechanics And DIY)
Before starting, let the engine cool and relieve any residual pressure in the intake system. Typical replacement steps:
- Locate the hose between the turbo/intercooler and the intake manifold; note clamp positions and any vacuum or sensor lines attached.
- Loosen or remove hose clamps and carefully detach any sensor or small vacuum fittings to avoid damage.
- Remove the old hose, clean mating surfaces and inspect adjacent components (clamps, intercooler joints, turbo outlets).
- Fit the new hose in the correct orientation, reattach sensors/vacuum lines and secure clamps. Tighten clamps to manufacturer specifications where available, otherwise ensure a firm leak-free seal without over-tightening.
- Start the engine, check for leaks under load, and re-check clamp tightness after a short test drive.
Who Should Buy
This turbo intake hose is suitable for professional auto technicians and competent DIYers working on 1.6 HDI Citroën and Peugeot engines who need a reliable OE-fit replacement identified by the listed product codes.
Technical information
- Manufacturer: PSA (Peugeot-Citroën)
- Model: Citroën C3, Citroën C3 Picasso, Citroën C4, Citroën C4 Picasso, Citroën C5, Citroën C5 X7, Peugeot 206, Peugeot 207, Peugeot 307, Peugeot 308, Peugeot 407, Peugeot Partner
- Product Codes: 9656953680, 143453, 1434E1
- Additional Numbers: This part corresponds to the OEM references listed above.
Regular inspection of the turbo intake hose, clamps and related joints helps maintain turbocharger efficiency and prevents drivability issues. Replace at first signs of wear to keep the 1.6 HDI engine running smoothly and efficiently.
