High-quality Bosch common-rail injectors removed from a running 2.0 HDi engine. This complete injector set is ideal for professional workshops and technically skilled DIY mechanics who need reliable replacement parts to restore engine performance, reduce smoke and rough running, and maintain fuel economy. The units are original Bosch components and are often searched by their product numbers, making it easy to find the correct part for PSA group diesel engines.

Compatibility And Applications

• Engine Type: 2.0 HDi diesel engines (PSA group)
• Example Vehicles: Citroën C4 Spacetourer (2018) 2.0 HDi 120 kW, Citroën C5, Citroën C8, Peugeot 807 and other Citroën/Peugeot/Ford models equipped with compatible 2.0 HDi engines
• Fuel System: Bosch Common-Rail

Technical Information

• Manufacturer: Bosch
• Model: 2.0 HDi Injector Set (from Citroën C4 Spacetourer 2018, 120 kW)
• Product Codes: 9674984080, 1610280080
• Other Numbers: 120 kW; Mileage: 141000 km

Function And Benefits

Injectors meter and atomize diesel fuel into the combustion chamber at precise timing and pressure. Properly functioning injectors deliver even spray patterns for optimal combustion, cleaner emissions and stable idling. Replacing worn or leaking injectors restores engine smoothness, reduces visible smoke, and improves fuel consumption.

How To Replace

• Safety First: Work in a well-ventilated area. Relieve fuel pressure and disconnect the negative battery terminal before starting.
• Access: Remove engine cover and any components blocking access to the high-pressure fuel rail.
• Electrical Disconnect: Unplug injector electrical connectors and label them if necessary.
• Fuel Rail Removal: Loosen and remove the high-pressure fuel rail retaining bolts. Carefully lift the rail with injectors attached.
• Injector Removal: Use the correct tools or extractor to remove injectors without damaging cylinder head seats. Replace all injector seals and O-rings with new, OEM-quality seals.
• Installation: Fit new seals, install injectors into the rail or cylinder head, torque fasteners to manufacturer specification (refer to workshop manual), and reconnect electrical plugs.
• Commissioning: Prime the fuel system, check for leaks, start the engine and monitor for faults. Some vehicles may require injector adaptation or basic settings to be performed with diagnostic equipment.

Installation Recommendations

• Always Replace Seals: Replace all injector seals and copper crush washers to prevent leaks.
• Use Correct Tools: Avoid prying or levering injectors; use proper extractors to prevent damage to injector bores.
• Follow Manufacturer Procedures: Consult the vehicle workshop manual for torque values and sequence.
• Bleed And Test: After installation, bleed the system and perform a leak and performance check at idle and load.
• Diagnostic Check: Clear any stored fault codes and monitor live parameters to confirm correct injector operation.

Why This Part Commonly Fails

Diesel injectors are subject to high pressures and extreme thermal cycles. Common failure causes include fuel contamination (water, dirt, varnish), wear of internal components, leaking seals, and electrical connector faults. Symptoms of failing injectors include rough idle, misfires, hard starting, increased smoke or fuel consumption, and illuminated engine management warnings. Lifespan depends on fuel quality and maintenance; failures often occur after 100,000–200,000 km in poorly maintained systems.

Notes For Professionals

This injector set was removed from a running vehicle and is provided as a used OEM component. Mileage and provenance are stated to help evaluation. Ensure cleaning of the injector seats and confirm rail and fuel system condition before reinstallation to maximize service life.

Additional Items To Consider

• Replace Fuel Filter And Check Fuel Lines If Contamination Is Suspected
• Inspect High-Pressure Pump And Rail For Wear Or Leaks
• Consider Professional Ultrasonic Cleaning/Testing If Reusing Injectors

High-quality Siemens diesel injector designed for PSA 2.0 HDi engines, offered with key OEM reference numbers commonly searched by mechanics and DIY enthusiasts. This injector is a direct-fit option for many Citroën and Peugeot applications and also matches selected Fiat, Ford and Volvo models. Ideal for workshops and independent repairers who look up parts by product code, the listing includes the most relevant part numbers to simplify identification.

Technical Information

• Manufacturer: Siemens
• Model: 2.0 HDI
• Product Codes: 9657144580, 9647247280
• Additional Numbers: 1980J5, 1980Z0
• Compatible Vehicles: Citroën C4, Citroën C4 Picasso, Citroën C5, Citroën C5 X7, Citroën C8, Peugeot 307, Peugeot 407, Peugeot 807 and selected Fiat, Ford and Volvo models

Fitment And Function

This injector is a common-rail unit for 2.0 HDi diesel engines. It controls high-pressure fuel delivery to the combustion chamber with precise timing and metering, contributing to efficient combustion, smooth idling and responsive throttle behaviour. Correct fitment to the fuel rail and electrical connector is essential for reliable operation.

Installation Recommendations

• Relieve Fuel Pressure And Disconnect Battery Before Starting Work.
• Work In A Clean Area To Prevent Contamination Of The Injector Bore And Fuel System.
• Always Fit New Sealing Washers And O-Rings. Damaged Or Hardened Seals Are A Common Source Of Leaks.
• Carefully Remove The High-Pressure Rail Clamp, Unplug Electrical Connector And Extract Injector Straight Out To Avoid Bore Damage.
• Clean Injector Seats And Check For Carbon Build-Up. Light Honing Or Cleaning May Be Required If Deposits Are Present.
• After Installation, Prime And Bleed The Fuel System According To Manufacturer Procedure To Avoid Air In The Rail.
• Use A Diagnostic Tool To Perform Injector Coding Or Adaptation If Required By The Vehicle Electronic Control Unit.
• Test For Leaks And Verify Engine Operation Under Different Loads After Replacement.

Reason Why The Part Most Often Fails

• High Mileage Wear: Mechanical wear of internal components and nozzle erosion increases with kilometres—injectors over 100,000 km can show degraded performance.
• Fuel Contamination: Dirty fuel, water or particulates cause nozzle blockage, scoring and accelerated wear.
• Deposits And Coking: Poor combustion or low-quality fuel leads to carbon buildup that affects spray pattern and atomization.
• Sealing Failure: Hardened or damaged washers and O-rings cause external or internal leaks and pressure loss.
• Electrical Problems: Corroded connectors, damaged wiring or solenoid faults lead to misfires or non-functioning injectors.

Typical Service Life Depends On Maintenance And Fuel Quality; Many Injectors Last Well Beyond 100,000 Km With Proper Care, While others May Require Replacement Earlier. When Replacing One Injector, Check All Units And The Fuel System To Prevent Repeat Failures.

The Siemens Injector Set for 2.0 HDI engines is a reliable replacement part originally from a 2007 Citroen C8. Compatible with a wide range of vehicles including Citroen, Fiat, Ford, Peugeot, and Volvo, this set offers an excellent balance of quality and cost for both professional mechanics and DIY car enthusiasts. With an operational mileage of 212,000 km, these injectors ensure optimized fuel delivery, improving engine efficiency and reducing emissions.

Injectors play a crucial role in controlling fuel injection timing and quantity, directly impacting engine performance, fuel economy, and emission levels. Over time, injectors may fail due to wear, clogging, or contamination, leading to rough idling, misfiring, or increased fuel consumption. Replacing injectors with high-quality components like this Siemens set can restore engine responsiveness and prolong the engine’s lifespan.

Technical Information

Manufacturer: Siemens
Model Compatibility: Citroen C8; also suitable for various models from Citroen, Fiat, Ford, Peugeot, and Volvo
Product Codes: 9657144580, 1980J6
Additional Numbers: Not available
These injectors are specifically designed for 2.0 HDI engines, ensuring precise compatibility and performance.

Whether you’re a professional mechanic or a car repair enthusiast, this Siemens Injector Set provides everything needed for effective maintenance and repair of your 2.0 HDI engine. Please note that the product image is illustrative and the actual part you receive may slightly differ in appearance.

Technical Information

• Manufacturer: Siemens VDO
• Model: 2.0 and 2.2 HDI
• Product Codes: BK2Q-9K546-A, 9801125480
• Alternative Numbers: None

Regular replacement of fuel injectors is essential for maintaining engine efficiency and optimal performance. Fuel injectors typically wear out due to carbon buildup and mechanical wear, which can lead to poor fuel atomization and reduced performance. Ensure your vehicle runs smoothly by replacing injectors when necessary.

Are you in need of an injector set for your Citroën or Peugeot? Order these high-quality used Siemens 2.0 HDI injectors, which are the ideal choice for maintaining your engine’s original power and efficiency. With a mileage of 185,000 km, this product was part of a vehicle in exceptional running condition.

Compatibility with multiple models from CITROEN, FIAT, FORD, PEUGEOT, and VOLVO ensures versatile usability of this part. Experience the quality and reliability of these injectors, which operate just as effectively as you would expect from original new parts.

Technical Information

Manufacturer: Siemens
Model: 2.0 HDI
Product Codes: 9657144580, 9647247280, 1980J5, 1980Z0
Other Numbers: CL5

It is essential to regularly check and replace injectors at the appropriate time to ensure long-term and stable engine performance. This product is available for various vehicle models, which facilitates easy replacement and installation. We offer injectors that are perfectly compatible with your vehicle while providing the quality you can rely on.

Take advantage of purchasing high-quality used auto parts to ensure your vehicle continues to operate at an optimal level with our Siemens 2.0 HDI injector set. Not only will you save costs compared to buying new parts, but you will also extend the life of your vehicle. Order now and gain the reliability and performance that your car deserves!

Product Overview

High-quality used Bosch common-rail injector set for 2.2 HDi engines, suitable for a range of Stellantis diesel models. These injectors are a direct fit for engines that use Bosch part 044515025 and related OEM numbers. Ideal for professional workshops and experienced DIY mechanics looking to restore engine smoothness, recover lost performance or replace worn injectors after mileage accumulation.

Technical Information

• Manufacturer: Bosch
• Model: Citroën C8 2.2 HDi (source vehicle). Compatible With: Citroën C‑Crosser, Citroën C5, Peugeot 4007, Peugeot 807 And Other 2.2 HDi Stellantis Applications
• Product Codes: 044515025
• Other Numbers: 9659228880, 1980J8, 1980EF, 44515025

Condition And Origin

Set removed from a Citroën C8 2.2 HDi 125 kW with 128,000 km. At the time of removal the vehicle started reliably in cold conditions, showed no visible exhaust smoke and had a clean DPF. The injectors were operating correctly in the donor vehicle.

Installation Recommendations

• Relieve fuel system pressure and disconnect the battery before starting work.
• Carefully remove the fuel rail and injectors; avoid contaminating the common-rail system.
• Always fit new injector O‑rings and sealing washers/copper crush washers when installing injectors.
• Clean injector bores and rails; ensure sealing surfaces are free of debris to prevent leaks.
• Use correct torque values for rail and injector hold‑down bolts (refer to factory workshop manual for exact figures).
• After installation, prime the fuel system and check for leaks. Start the engine and observe for leaks, rough running or fault codes.
• In many PSA common‑rail systems an injector adaptation/calibration with a diagnostic tool (DiagBox or equivalent) may be required to restore optimal fueling and idle quality. If available, perform injector coding/adaptation after installation.
• For best results, have installation performed or checked by a qualified technician familiar with Bosch common‑rail systems.

Why Injectors Commonly Fail

• Contaminated Fuel: Particles and deposits from poor fuel or a degraded fuel filter cause clogging and wear.
• Wear And Tear: High mileage and repeated thermal/corrosive stress reduce spray quality and sealing.
• Fuel System Issues: Faulty high‑pressure pumps or excessive return flow can overload injectors.
• Electrical Problems: Connector corrosion, wiring faults or driver issues in the ECU may lead to misfiring.
• Excessive Soot Or DPF Backpressure: Poor combustion and DPF problems increase contaminant load and stress the injectors.

Typical Symptoms Of Failing Injectors

• Rough Idle And Misfires
• Increased Fuel Consumption
• Hard Cold Starts Or No Start Condition
• Visible Smoke Under Acceleration
• Loss Of Power And Hesitation
• Engine Fault Codes Related To Misfire Or Injector Circuit

Notes For Buyers

This is a used set of Bosch injectors removed from a running Citroën C8 with 128,000 km. Part numbers listed above are widely used when searching for compatibility. Suitable for mechanics and experienced DIY customers comfortable with diesel fuel system work. Replace all seals during installation and consider injector adaptation for precise fueling.

This injection set was originally installed in a Citroën C5 2.2 HDI with 125 kW power and 221,000 km mileage. Despite this mileage, the vehicle started reliably in freezing conditions without smoke or performance issues.

If you are searching for reliable, functional, and proven auto parts for Citroën or Peugeot models, this Bosch injection set for 2.2 HDI engines is an excellent choice for professional mechanics and car enthusiasts performing their own repairs. It offers efficient fuel delivery ensuring optimal engine performance and reduced emissions.

Thanks to its excellent cold-start performance and smoke-free operation, this injection set helps maintain engine quality and power. It includes all necessary components to restore your engine’s optimum function without the need for additional investments in new parts. Suitable for long-distance and city driving without interruption.

Technical Information

• Manufacturer: Bosch
• Models: Citroën C5, Citroën C8, Peugeot 807
• Product Codes: 044515025, 1980J8, 1980EF
• Additional Information: These injection sets are specifically designed to optimize the onboard fuel management systems of the listed models, enhancing performance while lowering fuel consumption.

The Bosch injector set is ready for installation, significantly reducing installation time and minimizing potential complications. This is a cost-effective solution for technicians seeking high-quality components that restore engine performance in Citroën and Peugeot vehicles.

Let your car perform like new with reliable parts that guarantee smooth operation and extend your vehicle’s lifespan. Order now to ensure your car stays in motion with top-notch Bosch injection technology.

When replacing the fuel injector, it is essential to disconnect the battery and relieve fuel system pressure. After removing the old injector, clean the injector seat thoroughly before installing the new unit to ensure a proper seal. Regular maintenance and timely replacement of injectors are crucial, as they can wear over time due to sediment build-up, fuel quality, and engine performance needs.

As fuel injectors are essential for delivering the correct amount of fuel for combustion, a malfunctioning injector can lead to poor engine performance, increased fuel consumption, and even engine misfires.

Technical Information

• Manufacturer: Siemens
• Model: 2.0 HDI
• Product Codes: 9652173780
• Additional Numbers: 5WS40000-Z, 1980F0

This injector comes with a guarantee of functionality, making it a reliable choice for auto mechanics and DIY car enthusiasts looking to maintain or repair their vehicles efficiently.

Priced for a complete set of four injectors, this product is not only a cost-effective solution but also a reliable choice for improving your engine’s performance and efficiency. The injectors have been tested to ensure they operate smoothly, promoting optimal fuel flow and maintaining a clean combustion process. When your vehicle experiences issues such as reduced engine power, increased fuel consumption, or excessive emissions, it may be time to consider replacing the injectors.

Technical Information:

• Manufacturer: Bosch
• Model: 2.0 HDI
• Product Codes: 0445110076, 0445110062, 9641742880, 9653594280
• Other Numbers: 198084, 198085, 198086, 1980H7, 1980H8, 1980H9

Regular maintenance and timely replacement of fuel injectors are crucial for the longevity and performance of your engine. Ensure your Citroën or Peugeot is running at peak efficiency with the Bosch 2.0 HDI Injector Set.

The injectors have been thoroughly inspected and are fully functional, offering you peace of mind with guaranteed reliability. Ideal for both professional mechanics and DIY enthusiasts, this set is compatible with various models including Citroën and Peugeot vehicles.

When replacing injectors, it’s essential to ensure proper installation to maintain engine performance. It’s recommended to replace fuel injectors if they show signs of wear, such as reduced fuel efficiency or engine misfires, typically every 100,000 km, depending on driving conditions.

Technical Information

• Manufacturer: Bosch
• Model: 2.0 HDI and 2.2 HDI
• Product Codes: 0445110036
• Other Numbers: 9653344880, 1980H4, 1980H5, 1980H6, 198073, 198074