Professional Replacement Fuel Filter Housing Suitable For Workshop Use And DIY Repairs. This fuel filter housing is designed as a direct replacement for vehicles equipped with 2.0 and 2.2 HDi diesel engines. Frequently searched by OE numbers, the housing secures the filter element and routes inlet and outlet lines while maintaining correct fuel flow to the low‑pressure and high‑pressure circuits. Clear OE references in the listing make it easy for mechanics and independent technicians to find the right part quickly.

Function And Application

The housing holds the fuel filter cartridge and provides connections for fuel supply, return and drainage. Proper sealing and integrity of the housing are essential to prevent air ingress, fuel leaks and contamination of the high‑pressure common rail system. This unit is used on a range of Citroën and Peugeot models fitted with 2.0 and 2.2 HDi engines and is commonly replaced together with the filter element during fuel system servicing.

How Replacement Is Performed

Replacement Should Be Performed By A Trained Technician Or An Experienced DIY Mechanic Following Standard Safety Procedures. Typical steps include:

• Depressurize The Fuel System And Relieve Fuel Pressure According To Manufacturer Recommendations.
• Disconnect The Battery To Reduce Risk Of Sparks While Working On The Fuel System.
• Remove Any Engine Covers Or Brackets Blocking Access To The Filter Housing.
• Disconnect Fuel Lines And Electrical Connectors, Catching Fuel To Avoid Spills.
• Remove The Old Housing, Replace Seals And O‑Rings, Fit New Housing And Reconnect Lines.
• Prime The Fuel System Following Replacement (manual pump/ignition cycles or diagnostic tool) And Check For Leaks And Proper Engine Start‑Up.

Installation Recommendations

• Use New O‑Rings And Seals When Installing The Housing To Ensure Leak‑Free Operation.
• Always Clean Surrounding Area Before Opening The Fuel System To Prevent Contamination.
• Tighten Fasteners To Manufacturer Specifications Where Available; Avoid Over‑Tightening Plastic Components.
• Prime The System Carefully To Remove Air; If Necessary, Use Service Equipment To Assist Bleeding.
• Inspect Fuel Lines And Clamps For Wear Or Damage And Replace If Required.

Why This Part Fails Most Often

Common Causes Of Failure Include Age‑Related Degradation Of The Plastic Housing, Stress From Heat And Vibration, Damaged Or Hardened Seals, And Contamination From Dirty Or Water‑Contaminated Fuel. Cracks Or Leaks Around Hose Connections And Failed Seals Are The Most Frequent Reasons For Replacement, Often discovered during routine filter changes or when the vehicle shows fuel pressure loss, rough idle, or visible leaks.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Vehicles With 2.0 And 2.2 HDi Engines (Various Citroën And Peugeot Models)
• Product Codes: 9642105180, 9638780280
• Other Numbers: 190162, 190430

Keywords For Search Optimisation: Fuel Filter Housing, HDi Fuel Housing, Citroën Fuel Filter Housing, Peugeot Fuel Filter Housing, 9642105180, 9638780280, 190162, 190430.