Bosch 0445110411 Diesel Injector

1.7L CRDi · Remanufactured

Hyundai/Kia 1.7 CRDi (D4FD) Bosch CRI2 remanufactured common-rail injector

Shared engine codes

D4FD

Compatible vehicles

Common 0445110411 injector failure symptoms

Hard cold starting or extended cranking; rough idle that may improve at higher rpm; hesitation or flat spots under acceleration; black smoke under load; higher fuel consumption; diesel smell or rising oil level in advanced cases. 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

Nozzle / needle-seat wear from poor fuel quality causing excessive leak-off and starting problems; injector over-fuelling diluting the engine oil when leakage is advanced; rail-pressure faults that mimic injector failure when actual pressure deviates from target. Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.

How workshops diagnose 0445110411 faults

Compare actual vs target rail pressure in live data first — a pressure-regulator fault mimics injector failure on this engine. Run a leak-off comparison across all four injectors before condemning one. Check the engine-oil level and smell for fuel dilution on suspected leaking injectors. Injector coding is required after fitting — follow the manufacturer procedure. Never condemn a common-rail injector on a fault code alone.

How every unit is tested before despatch

Each remanufactured 0445110411 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 0445110411 trusted family covers 5 verified vehicle fitments across 2 makes: Hyundai and Kia. Every fitment listed is registry-verified.

OE & cross-references

0445110411 cross-references 7 further OE numbers, including 0445110410, 0986435279, 0433172216, 338002A800, 33800-2A800, 338002A960 and 33800-2A960. Always match the reference etched on your failed unit's body.

Related fault codes & engine guides

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