Delphi EJBR03801D Diesel Injector
PSA 2.0 HDi (DW10 platform) · EJBR03801D
PSA Peugeot / Citroen 2.0 HDi (DW10 platform) Delphi Remanufactured Common-Rail Injector. Cross-brand note: DW10BTED4/CTED4/RHR/RHF/RHL/RHD engine codes also shipped with Siemens VDO 5WS40156-Z from factory — confirm OEM markings before fitting.
1
Engine codes
15
OE / cross-refs
5
Vehicle fitments
12mo
Warranty
Common failure symptoms
On the PSA 2.0 HDi (DW10 platform) platform, a failing Delphi EJBR03801D injector typically presents as: hard starting, particularly when warm; uneven idle; loss of power with rail-pressure faults; excess smoke under acceleration; engine stalling at idle.
When two or more of these appear together, suspect the injector before peripheral systems — a comparative leak-off test and live-data cylinder-balance review will isolate the failed unit without tear-down.
When two or more symptoms appear together, suspect the injector before peripherals (EGR, glow plugs, turbo). A live-data leak-off test on each cylinder is the fastest route to the failed unit.
What Causes These Injectors To Fail
The documented failure modes on this platform are: injector back-leak beyond specification on high-mileage units; nozzle wear causing over-fuelling and smoke; fuel contamination damage on neglected systems.
Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.
How Workshops Diagnose EJBR03801D Faults
This is an early common-rail platform — verify low-pressure supply and check for air ingress before condemning injectors. Run a comparative leak-off test across all four injectors. Use new sealing washers on every refit.
Never condemn a common-rail injector on a fault code alone — codes identify the circuit or cylinder, while leak-off volumes and correction values identify the component.
How Every Unit Is Tested Before Despatch
Each remanufactured EJBR03801D is fully stripped, ultrasonically cleaned and inspected; worn components are replaced with OE-grade parts. The rebuilt unit is then calibrated on a common-rail test bench against the manufacturer's specification sheet — delivery, back-leak and response are all verified before the injector is sealed and despatched with its calibration data on file.
Every unit carries a 12-month parts warranty and free UK delivery.
Vehicle Coverage At A Glance
The EJBR03801D trusted family covers 5 verified vehicle fitments across 2 makes: Peugeot and Citroen. Every fitment listed on this page is registry-verified — no scraped or assumed applications.
OE & Cross-References
EJBR03801D supersedes or cross-references 14 further OE numbers, including EJBR06001D, R06001D, R03801D, HRD344, 1980S3, 1980 S3, 1980.S3 and 1980K3. Always match the reference etched on your failed unit's body — cross-references within a family are verified equivalents, but etched numbers remain the source of truth.
Related fault codes & engine guides
Engine guides
Trusted compatibility
Engine codes
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Frequently asked
Related engine guides
Other Delphi and same-platform injector families worth checking.
All cross-references in this family
Every reference below resolves to a PDP linked to this trusted family. EJBR03801D, EJBR06001D, R06001D, R03801D, HRD344, 1980S3, 1980 S3, 1980.S3, 1980K3, 1980.K3, 1980W6, 1980.W6, 1980W9, 1980.W9, 9656389980.
Delphi know-how from the Knowledge Centre
Identification, coding, fitting and the mistakes that cause comebacks.