🔧 New Fuel Injector 2.3L – Iveco Daily | Ref. IVE504389548
Brand new fuel injector for 2.3L Common Rail Bosch engine in the Daily, compatible with MY2012, MY2016, MY2019, MY2022 and MY2024 generations. Euro 5 / Euro 6 compliant. VIN verification recommended to confirm exact compatibility.
⚙️ Technical Specifications
✅ Injector 100% new – no remanufactured or exchange units
✅ Bosch Common Rail high-pressure injection system
✅ Ultra-precise atomization for optimal combustion
✅ Compliant with Euro 5 / Euro 6 standards
✅ Iveco original reference: IVE504389548
✅ Ready to fit – compatible with gasket kits available on our fuel injector gasket 2.3L page
⚠️ Why Do Daily 2.3L Injectors Fail?
On the Iveco Daily 2.3L, injector failures are frequent and often misdiagnosed. The main issue is an imbalance in the injector return circuit: when return pressure is no longer uniform between injectors, some operate outside their tolerance range, causing irregular combustion and rapid degradation.
🚨 Critical case – fuel pump metal debris: when the fuel injection pump deteriorates, it can send metal shavings throughout the entire fuel system. This contamination affects injectors, diesel fuel hoses, the high-pressure rail, and can spread to the fuel tank. In this case, simply replacing one injector is not enough: the entire circuit must be inspected and flushed before installing the new part.
❌ Symptoms of Failing Injector on Iveco Daily
❌ Engine runs very rough – unstable idle, hesitation, vibration
❌ Marked acceleration gaps, sluggish response
❌ Hard starting, especially when cold
❌ Abnormally high diesel consumption
❌ Black smoke from exhaust
❌ Engine warning light on – injection fault detected by ECU
❌ Unbalanced injector return visible on OBD diagnostic (flow deviation > 3–4 mm³)
🔩 Replacement Tips
🔹 Before installation: verify the fuel injection pump condition. If it is faulty or has shed metal debris, thoroughly flush the circuit (hoses, rail, filters) before fitting the new injector.
🔹 Always replace the injector gasket at each intervention (available here).
🔹 Clean and inspect the injector bore before installation.
🔹 Respect the Iveco manufacturer torque specification (do not over-tighten).
🔹 Perform injector coding via diagnostic scanner if required by the ECU.
💡 If unbalanced return is confirmed, replacing injectors in pairs or as a complete set is often more cost-effective in the long run.
🛒 Recommended Complementary Parts
For a complete and lasting repair, consider adding:
✅ Fuel injector gasket 2.3L – must be changed at each installation
✅ High-pressure hydraulic rail 2.3L – inspect if metal debris suspected
✅ Diesel fuel hoses – check or replace if contamination suspected
✅ See also our complete Daily fuel injector range
🏆 Why Choose RAXOR Parts?
✅ Brand new injector, never remanufactured or exchanged
✅ Exclusive Iveco Daily specialist – field expertise on recurring failures
✅ Systematic compatibility verification before shipment
✅ 8,500+ references in stock – next-day delivery
✅ Responsive customer service, technical advice included
🚚 Order your new 2.3L fuel injector now and restore your Daily to healthy, balanced engine operation.