Description
Air intake connector clamp for 1.6 HDI engines of Citroën and Peugeot vehicles.
This high-quality intake connector clamp is designed for 1.6 HDi diesel engines used in Citroën and Peugeot models. Ideal for professional workshops and experienced DIY mechanics, the part restores a reliable, leak-free connection in the intake tract—helping to maintain proper turbo response, boost pressure and engine performance. Commonly searched under original part numbers, it is a direct-replacement component compatible with many factory configurations.
Technical Information
- Manufacturer: Stellantis / Citroén / Peugeot
- Model: 1.6 HDi
- Product Codes: 9649999680
- Additional Numbers: 0382EN
- Common Fitment: Citroën C4, Peugeot 307 (and other 1.6 HDi applications)
Function
The clamp secures an air/hose connection in the intake system of the 1.6 HDi engine—typically between intake pipes, intercooler outlets, turbocharger connections or the throttle body. Its purpose is to provide a tight, vibration-resistant seal to prevent unmetered air ingress or boost leaks that can cause poor running, loss of power or diagnostic trouble codes.
Why The Part Most Often Fails
Failure is usually caused by age-related material degradation, heat cycling and contamination from oil or fuel that softens and cracks the hose or clamp interface. Repeated boost pressure spikes, improper installation (under- or over-tightening) and mechanical abrasion from vibration or misaligned pipes also accelerate failure.
Replacement Interval And Inspection
There is no fixed mileage interval for this clamp; replace it when you detect visible cracks, hardening, deformation or when boost/air leaks are suspected. Inspect during routine intake, turbo or intercooler service, and after any event that disturbed intake plumbing (turbo replacement, accident repair, etc.).
Installation Recommendations
– Work on a cool engine and ensure the intake system is depressurized before removing hoses.
– Loosen the old clamp, remove the hose and inspect both mating surfaces for damage, oil deposits or deformation. Clean the contact areas thoroughly.
– Fit the new clamp in the correct orientation and ensure the hose is fully seated on the pipe. Tighten evenly to achieve a secure seal—avoid overtightening which can damage the hose or clamp.
– After installation, perform a visual check and a low-load engine test to confirm there are no air leaks. Recheck clamps after one heat cycle or short test drive.
Suitability For Mechanics And DIY
Designed for easy replacement by professional technicians and competent DIYers. Keep original part numbers (9649999680 / 0382EN) handy when searching or ordering to ensure correct fitment. Using the correct clamp restores intake integrity and helps maintain proper engine performance and fuel economy.
