🔧 New 2.3L Fuel Injector – 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 reconditioned or exchange units
✅ Bosch Common Rail high-pressure injection system
✅ Ultra-precise spray pattern for optimal combustion
✅ Compliant with Euro 5 / Euro 6 standards
✅ Iveco original reference: IVE504389548
✅ Ready to install – compatible with gasket kits available on our 2.3L injector gasket 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 across injectors, some operate outside their tolerance range, causing irregular combustion and rapid degradation.
🚨 Critical case – injection pump debris: when the fuel injection pump deteriorates, it can send metal shavings throughout the entire fuel circuit. This contamination affects the injectors, diesel hoses, the high-pressure rail, and can even reach 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 a Faulty Injector on Iveco Daily
❌ Engine runs very rough – unstable idle, hesitation, vibration
❌ Notable acceleration stumbles, lack of response
❌ Hard starting, especially when cold
❌ Abnormal diesel overconsumption
❌ Black smoke from the exhaust
❌ Check engine light on – injection fault detected by ECU
❌ Imbalanced injector return visible on OBD diagnosis (flow difference > 3–4 mm³)
🔩 Replacement Advice
🔹 Before any installation: check the condition of the fuel injection pump. If it is faulty or has emitted debris, completely flush the circuit (hoses, rail, filters) before installing 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 tool if required by the ECU.
💡 If confirmed return imbalance, replacing injectors in pairs or as a complete set is often more cost-effective in the long term.
🛒 Recommended Complementary Parts
For a complete and durable repair, consider adding:
✅ 2.3L Injector Gasket – must be changed at each installation
✅ 2.3L High-Pressure Hydraulic Rail – must be inspected if debris suspected
✅ Diesel Hoses – check or replace if contamination suspected
✅ See also our complete Daily injector range
🏆 Why Choose RAXOR Parts?
✅ New injector, never reconditioned or exchanged
✅ Exclusive Iveco Daily specialist – field expertise on recurring failures
✅ Systematic compatibility verification before shipping
✅ 8,500 references in stock – next-day delivery
✅ Responsive customer service, technical advice included
🚚 Order your new 2.3L fuel injector today and restore your Daily to healthy, balanced engine performance.