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Fuel injector CITROËN C5 2 2.0 HDi 136 hp

2.0 HDi 136 hp

The CITROËN C5 2 2.0 HDi 136 hp (100 kW diesel) is covered by 7 exchange-standard reference(s). Check output before displacement: it determines the part.

Engine specification: 1997 cm³, diesel, built since 02/2008. 7 matching part numbers: R03801D (DELPHI), 5WS40156-4Z (SIEMENS-VDO), 5WS40200 (SIEMENS-VDO), 5WS40156-5Z (SIEMENS-VDO), 5WS40156-6 (SIEMENS-VDO), 5WS40156-Z (SIEMENS-VDO), 5WS40441 (SIEMENS-VDO). Compare with the code stamped on your part.

Other engines of the CITROËN C5 2: 3.0 HDi 241 hp, 2.2 HDi 204 hp, 2.7 HDi 204 hp. If the code stamped on your part is legible, search by reference remains the safest route. 24-month warranty.

Available products

7 references

Frequently asked questions

About this category

The 2.0 HDi 136 hp engine, widely used in Citroën models from the mid-2000s onward, is known for its direct-injection diesel technology that delivers both power and efficiency. When injectors fail—often signaled by rough idling, misfires, or excessive smoke—replacement becomes urgent. This category offers exchange-standard injectors designed to restore factory-level performance without the premium of new OEM parts, making them ideal for independent garages, DIY enthusiasts, and fleet managers seeking cost-effective solutions.

Each injector in this range is sourced from reputable remanufacturers who rebuild components to original specifications, ensuring durability and compatibility. As a wholesale supplier, we aggregate these high-quality parts to provide garages with the flexibility to stock only what they need while maintaining a broad selection for diverse vehicle applications.

Professional uses by trade

Whether you’re a professional mechanic diagnosing a faulty injector or a car owner tackling repairs yourself, this category addresses the specific needs of each user with precision-engineered solutions.

  • Le garagiste independant : Replace worn injectors during routine maintenance to prevent costly engine damage and customer complaints about performance drops.
  • L'automobiliste depanne : Order the correct injector online and fit it yourself to avoid workshop delays and high labor costs for a straightforward repair.
  • Le passionne qui fait lui-meme : Use exchange-standard injectors to restore your 2.0 HDi’s responsiveness and fuel efficiency without compromising on quality.
  • Der deutsche Kaeufer (DACH) : Bestellen Sie generalüberholte Injektoren für Ihren Citroën 2.0 HDi 136 PS, um die Motorleistung ohne teure Werkstattkosten zu sichern.
  • Le garagiste independant : Stock bulk-packaged injectors to reduce downtime when multiple vehicles in your workshop require the same replacement part.
  • L'automobiliste depanne : Verify injector compatibility with your vehicle’s engine code before ordering to ensure a seamless fit and immediate performance recovery.
  • Der deutsche Kaeufer (DACH) : Nutzen Sie die Austauschteil-Option, um die Lebensdauer Ihres Motors zu verlängern und teure Neuteile zu vermeiden.

Range comparison

Below, you’ll find a selection of exchange-standard injectors compatible with the 2.0 HDi 136 hp, each listed with its exact reference for precise identification.

RangeUseFormat
Injector SIEMENS-VDO 5WS40156-5ZHigh-flow replacement for performance models
Injector DELPHI R03801DStandard fit for common failure cases
Injector SIEMENS-VDO 5WS40441Direct replacement for 2006-2010 models
Injector SIEMENS-VDO 5WS40200OEM-grade remanufactured injector
Injector SIEMENS-VDO 5WS40156-6High-precision for turbocharged variants
Injector SIEMENS-VDO 5WS40156-ZUniversal fit for multiple Citroën models
Injector SIEMENS-VDO 5WS40156-4ZLong-life injector for high-mileage engines

How to choose

Selecting the right injector depends on factors like engine code, model year, and expected usage—whether for a daily driver or a performance-tuned vehicle.

  1. Verify the engine code stamped on your cylinder head to match the injector reference precisely and avoid compatibility errors.
  2. Choose bulk-packaged injectors for workshops to reduce per-unit costs and streamline inventory management during high-demand periods.
  3. Opt for single-unit purchases if you’re a DIY mechanic or owner replacing just one faulty injector to minimize upfront investment.
  4. Prioritize injectors labeled for your specific model year to ensure optimal fit and performance in your Citroën’s fuel system.
  5. Check for remanufactured injectors with a documented core deposit system to simplify returns of your old part and reduce hassle.
  6. Select injectors from brands with a reputation for consistent quality to ensure long-term reliability and minimal risk of repeat failures.
  7. For turbocharged variants, choose injectors designed for higher flow rates to maintain power output and prevent premature wear.

Storage & logistics

Bulk-packaged injectors should be stored in a dry, temperature-controlled environment away from direct sunlight to preserve their seals and internal components. For garages, organizing injectors by vehicle model and engine code in labeled bins streamlines retrieval and reduces the risk of misplacement. Always handle injectors with care, avoiding drops or impacts that could damage the delicate internal mechanisms, and ensure packaging remains intact until installation to prevent contamination.

With over a decade of experience supplying remanufactured injectors to independent workshops across Europe, our team understands the urgency of keeping diesel engines running smoothly—no shortcuts, just reliable parts that meet the mark every time.— autoKUR team

Related categories

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Useful references

For regulatory and sector references, see Reglement (UE) 461/2010 — pieces de rechange et garantie constructeur.