Description
Injection pump 1.4 HDI 16V 8HY 8HV Delphi for Citroën Peugeot vehicles. With fuel regulator, without pulley.
This Delphi high-pressure injection pump is designed for 1.4 HDi 16V engines and replaces the original unit on compatible Citroën and Peugeot models. Ideal for professional workshops and DIY mechanics, the pump restores correct fuel delivery and pressure control thanks to its integrated fuel regulator. Commonly searched by part numbers (9643567280, 9652615680, 1920ET, 1921N2), this unit is a direct-replacement style pump for engines fitted with the 8HY/8HV pump type.
Installation Recommendations
Correct installation is essential for reliable operation. Follow these general steps:
- Depressurize The Fuel System And Disconnect The Battery Before Starting.
- Mark The Pump And Engine Timing Positions To Preserve Timing Alignment.
- Carefully Remove Fuel Lines, Electrical Connectors, And Mounting Fasteners.
- Install The New Pump In The Same Orientation; Torque Fasteners To Manufacturer Specifications.
- Reconnect Fuel Lines And Electrical Connectors, Then Prime/Bleed The Fuel System To Remove Air.
- After Installation, Clear Relevant Fault Codes And Verify Fuel Rail Pressure And Engine Operation.
Reason For Failure
Injection pumps on 1.4 HDi engines typically fail for a few recurring reasons: contamination From Water Or Dirt In The Fuel, Wear Of Internal Moving Parts (Plungers/Seals), Malfunction Of The Integrated Fuel Regulator, And Electrical Or Sensor Faults. Symptoms Include Hard Starting, Loss Of Power, Irregular Idling, Fuel Pressure Related Fault Codes (For Example P0087, P0089, P0191) And Visible Fuel Leaks. Maintaining Clean Fuel, Replacing Filters Regularly, And Using Low-Sulfur Diesel Helps Extend Pump Life.
Technical Information
- Manufacturer: Delphi
- Model: Citroën C3; Peugeot 1007; 1.4 HDi 16V Engines (Pump Types 8HY, 8HV)
- Product Codes: 9643567280, 9652615680, 1920ET, 1921N2
- Additional Numbers: R9042Z021A; Related Fault Codes: P0087, P0089, P0191
This pump Comes With An Integrated Fuel Regulator And Is Supplied Without A Pulley—ensure Your Engine’s Drive Or Timing Arrangement Matches The Replacement Unit. After Fitting, Always Prime The Fuel System And Check For Leaks And Correct Fuel Rail Pressure To Avoid Air Entrapment Or Pressure-Related Faults.
