Description
Bosch injector set for 1.6 eHDI 68 kW engines. Recorded mileage: 64,000 km.
This Bosch injector kit (part numbers 0445110340, 1980S5, 1980S6) is a direct-fit solution for 1.6 eHDI 68 kW PSA engines used in a range of Citroën and Peugeot models. Ideal for professional workshops and experienced DIY mechanics, the set offers a cost-effective way to restore fuel delivery precision, improve combustion stability and reduce rough idling or misfires associated with worn or contaminated injectors. Customers frequently search by product code, so the main references are highlighted to help with quick identification and compatibility checks.
Technical Information
- Manufacturer: Bosch
- Model: 1.6 eHDI 68 kW (Fits Citroën Berlingo B9; Citroën C3 Picasso; Citroën C4 II; Citroën C4 Picasso; Peugeot 301; Peugeot 308; Peugeot Partner Tepee)
- Product Codes: 0445110340, 1980S5, 1980S6
- Additional Numbers: Commonly referenced under Bosch CR injector family numbering for PSA 1.6 HDi/eHDI applications
Installation Recommendations
- Work should be carried out by a qualified technician or an experienced DIY mechanic with appropriate tools.
- Relieve fuel system pressure before starting. Wear protective gloves and eye protection.
- Disconnect the negative battery terminal before disassembly and follow manufacturer procedures to avoid electrical damage.
- Replace all injector seals and copper washers with new items to ensure leak-free installation.
- Clean the fuel rail and surrounding area to avoid contaminating new injectors during fitment.
- After installation, prime the fuel system, check for leaks, and run the engine to confirm correct idle and response.
- Injectors in modern common-rail systems may require coding or adaptation after replacement. It is recommended to use PSA diagnostic tools (DiagBox) to perform any necessary injector adaptations or to verify injector-related fault codes.
Why The Part Commonly Fails
- Fuel contamination and deposits: Particulate matter, varnish and carbon deposits can clog nozzles and alter spray patterns.
- Poor fuel quality or inconsistent filtration accelerates wear and nozzle blockage.
- Seals and O-rings age and harden, causing external or internal leaks that affect pressure and spray.
- Electrical faults in injector coils or connectors can result in misfiring or loss of injection control.
- Extended service intervals, frequent DPF regeneration cycles or excessive idling can contribute to injector fouling and shortened service life.
Replacement Procedure (Overview)
- Relieve fuel pressure and disconnect the negative battery terminal.
- Remove engine covers and components blocking access to the fuel rail.
- Carefully disconnect electrical connectors from each injector and label if needed.
- Unbolt the fuel rail, support it to avoid strain on lines, then remove injectors using proper tools.
- Install new seals/washers and fit new injectors into the rail, ensuring correct seating and alignment.
- Reinstall the fuel rail, reconnect electrical connectors and reassemble removed components.
- Prime the fuel system, reconnect the battery, start the engine and check for leaks or fault codes. Perform injector adaptation/coding if required.
Search Tip: Buyers often use the part numbers (0445110340, 1980S5, 1980S6) when looking for compatible injectors—having these codes handy speeds up identification in catalogs and online searches.








