Intake Manifold Check Valve Fault on Your Peugeot or Citroen? Replace It for $11.
The intake manifold check valve (OEM 9811908380 / 9812171780 / V763335580) on Peugeot 3008, 4008, 5008, 308, 408, 508 and Citroen C3 XR, C4, C4L, C5, C5 Aircross, C6, DS 4S/5/5LS/6 (EP6FDT/EP6CDT/EP8FDT engines) controls airflow and vacuum within the intake manifold. A failed valve causes rough idle, loss of engine braking, and intake-related fault codes.
✓ What You Get: Intake manifold check valve (OEM 9811908380) for Peugeot and Citroen PSA-platform vehicles with EP6FDT, EP6CDT, and EP8FDT engines.
What's Included
- 1× Intake manifold check valve (OEM 9811908380)
Why Replace?
- Restores Intake Vacuum: Failed check valve disrupts manifold vacuum balance and swirl flap operation.
- Clears Fault Codes: Intake manifold pressure and swirl flap error codes caused by valve failure are resolved after replacement.
- Restores Engine Braking: Proper check valve function maintains manifold vacuum for engine braking performance.
- Saves vs Manifold Replacement: The entire manifold costs $200+; this valve costs $11.
- 15-Minute Job: Locate valve on manifold, unclip, swap, reinstall.
Vehicle Compatibility
| Make | Models | Engine |
|---|---|---|
| Peugeot | 3008, 4008, 5008, 308, 408, 508 | EP6FDT / EP6CDT / EP8FDT |
| Citroën | C3 XR, C4, C4L, C5, C5 Aircross, C6 | EP6FDT / EP6CDT / EP8FDT |
| DS | 4S, 5, 5LS, 6 | EP6FDT / EP6CDT |
About This Part
Peugeot/Citroen PSA intake manifold check valve (OEM 9811908380, also 9812171780, V763335580) fits the EP6FDT, EP6CDT, and EP8FDT turbocharged petrol engines used in Peugeot 3008/5008/308/508 and Citroen C4/C5/C5 Aircross and DS models. The check valve maintains correct manifold vacuum for the swirl flap system — valve degradation is a known cause of EGR and swirl flap fault codes on these platforms.
⚠ Verify Before Ordering: Confirm OEM P/N 9811908380 or 9812171780 matches your intake manifold before purchasing.
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