Description
Original complete diesel particulate filter (DPF) 1.6 e-HDI with integrated catalyst for Citroën and Peugeot. Only 136000 km driven. In photos of the outlet it is apparent that the DPF functions perfectly; there is no soot.
This complete OEM DPF with integrated catalytic converter is designed for 1.6 e-HDI diesel engines used by Citroën and Peugeot. It replaces a clogged or damaged DPF assembly and restores exhaust flow and emissions control without the need for temporary fixes. The unit is suitable for professional workshops and experienced DIY mechanics who require a direct-fit replacement matching factory specifications and commonly searched by product codes.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Citroën Berlingo B9; Citroën C3 Picasso; Citroën C4 II; Peugeot 308; Peugeot Partner III; Peugeot Partner Tepee
- Product Codes: F026N
- Additional Numbers: 9803421780, 9808329680, 9803421880
Compatibility And Fitment
Fits 1.6 e-HDI (1.6 HDi) applications used across several Citroën and Peugeot platforms. Always match product codes listed above to the part number used on the vehicle. The assembly includes the integrated catalyst and is intended as a direct replacement for the original unit on compatible models.
Installation Recommendations
- Perform Work On A Cooled Engine: Allow Exhaust And Turbo Components To Cool Before Starting.
- Raise Vehicle Securely: Use Approved Lifting Equipment And Stands To Access The Underbody Safely.
- Disconnect Sensors Carefully: Remove Differential Pressure, Temperature And Any Lambda/NOx Sensors Before Removing The DPF. Label Connectors For Reinstallation.
- Remove Heat Shields And Clamps: Undo Exhaust Clamps, Bolts And Heat Shields Securing The DPF. Preserve Gaskets And Replace Seals Where Necessary.
- Inspect Surrounding Components: Check Downpipe, Flex Pipe, Turbo Outlet And Mounts For Damage Or Exhaust Leaks.
- Use New Gaskets And Hardware: Replace Gaskets And Any Exposed Fasteners That Show Corrosion; Use Anti-Seize On Bolts Where Appropriate.
- Relearn And Clear Codes: After Installation, clear Relevant Fault Codes And If Required Perform A Forced Regeneration Or Drive Cycle To Confirm Proper Operation.
- Safety: Wear Eye Protection And Gloves. Ensure Exhaust System Is Sealed Correctly To Avoid Exhaust Leaks.
Reasons Why The Part Most Often Fails
- Soot And Ash Buildup: Accumulation From Short Trips And Low-Speed Driving That Prevents Regular Regeneration.
- Faulty Regeneration: Problems With EGR, Injectors, Or Poor Fuel Combustion That Increase Soot Production And Prevent Effective DPF Regeneration.
- Oil Contamination: Engine Oil Entering The Exhaust (Via Worn Turbo Seals Or Valve Stem Seals) Causes Premature Clogging.
- Sensor Failures: Malfunctioning Pressure Or Temperature Sensors Can Mask Regeneration Needs Or Cause Incorrect Engine Management Responses.
- Physical Damage And Substrate Breakage: Impact, Overheating Or Thermal Shock Can Crack The Ceramic Substrate, Leading To Restriction Or Noise.
- Excessive Ash Accumulation Over Time: Even With Proper Regeneration, Non-Combustible Ash Eventually Reduces Flow And Requires Replacement.
Typical Service Life: DPF Lifespan Varies With Driving Style And Maintenance. Many Units Last Between 120,000 And 200,000 Km Under Mixed Driving Conditions; City Use With Frequent Short Trips Accelerates Wear. This Unit Has 136,000 Km On The Clock.
For workshops and experienced DIYers this DPF offers a direct-fit solution to restore exhaust flow and emissions control on compatible Citroën and Peugeot 1.6 e-HDI models. Check the product codes listed in the Technical Information to ensure exact match with the vehicle’s existing part number.







