Delphi EJBR04401D Diesel Injector

2.7L · Remanufactured

Remanufactured Delphi EJBR04401D (R04401D) common-rail diesel injector for the SsangYong 2.7 XDi D27DT engine (Euro 4, OE A6650170221). Fits SsangYong Kyron, Rexton and Rodius/Stavic 2.7-litre diesels. Fully tested and calibrated to OEM specification with 12 months warranty.

Shared engine codes

D27DT, 665.925, 665.926, 665.950

Compatible vehicles

Common EJBR04401D injector failure symptoms

Hard starting or extended cranking; rough or uneven idle; loss of power under load; excess smoke from the exhaust; cylinder misfire or contribution fault codes. When two or more appear together, suspect the injector before peripherals — a comparative leak-off test isolates the failed unit without tear-down.

What causes these injectors to fail

Injector back-leak beyond specification; nozzle wear degrading the spray pattern; combustion gas leaks past the injector seat washer. Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.

How workshops diagnose EJBR04401D faults

Run a comparative leak-off (back-leak) test across all injectors before condemning a single unit. Compare requested vs actual rail pressure in live data at idle and under load. Inspect injector connectors and wiring before replacing hardware. Never condemn a common-rail injector on a fault code alone.

How every unit is tested before despatch

Each remanufactured EJBR04401D is fully stripped, ultrasonically cleaned and inspected; worn components are replaced with OE-grade parts. The rebuilt unit is calibrated on a common-rail test bench against the manufacturer's specification — delivery, back-leak and response verified — and despatched with a 12-month parts warranty and its calibration data on file.

Vehicle coverage at a glance

The EJBR04401D trusted family covers 3 verified vehicle fitments across 1 makes: SsangYong. Every fitment listed is registry-verified.

OE & cross-references

EJBR04401D cross-references 3 further OE numbers, including R04401D, A6650170221 and 6650170221. Always match the reference etched on your failed unit's body.

Related fault codes & engine guides

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