D4EA Diesel Injectors
Compatible with Hyundai Elantra (XD), Hyundai Santa Fe (SM / CM), Hyundai Trajet, and 3 more
- OEM Tested & Calibrated
- 12-Month Warranty
- Free UK Delivery
Select the correct injector for your D4EA engine below
Fits Hyundai Elantra (XD), Hyundai Santa Fe (SM / CM), Hyundai Trajet, Hyundai Tucson (JM) and more
Top injectors for D4EA
Compatible Injectors for D4EA
- OEM Tested
- 12-Month Warranty
- Free UK Delivery
Common problems solved by these injectors
About the D4EA engine
The D4EA is a 2.0l crdi common rail diesel engine. This engine uses BOSCH diesel injectors.
How Diesel Injectors Are Remanufactured
Watch our 3D walkthrough of the diesel injector remanufacturing process and see how injectors are professionally restored for reliable service.
Vehicles Using D4EA Engine
| Vehicle | Engine | Years |
|---|---|---|
| Hyundai Elantra (XD) injector | 2.0 CRDi | 2001–2006 |
| Hyundai Santa Fe (SM / CM) injector | 2.0 CRDi | 2001–2009 |
| Hyundai Trajet injector | 2.0 CRDi | 2001–2008 |
| Hyundai Tucson (JM) injector | 2.0 CRDi | 2004–2010 |
| Kia Carens (UN) injector | 2.0 CRDi | 2002–2006 |
| Kia Sportage (JE / KM) injector | 2.0 CRDi | 2004–2010 |
Common D4EA Injector Problems
Rough idle and engine vibration
Worn injector nozzles cause uneven fuel spray, leading to rough idle at low RPM. Most noticeable when the engine is cold.
Excessive exhaust smoke
Black or blue-grey smoke on acceleration indicates poor fuel atomisation. This is often caused by carbon buildup on the injector nozzle tip.
Poor fuel economy
A worn or leaking injector delivers incorrect fuel quantities, reducing efficiency by 10–20% in severe cases.
Engine misfire under load
Intermittent misfires during acceleration suggest one or more injectors are failing to deliver the correct fuel pressure.
Difficult cold starting
Degraded injector nozzles struggle to atomise fuel at lower cranking pressures, causing extended crank times in cold weather.
Loss of power
Gradual power loss across the rev range, particularly above 2500 RPM, can indicate injector flow rate degradation.
Increased diesel knock
Louder than normal combustion noise, especially at idle, can indicate incorrect injection timing due to worn injector internals.
D4EA Technical Specifications
Displacement
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Power
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Torque
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Fuel System
Common Rail Direct Injection
The D4EA is a 2.0l crdi common rail diesel engine. This engine uses BOSCH diesel injectors.
Engine Intelligence
Hyundai / Kia 2.0 CRDi (D4EA — Tucson, Santa Fe, Sportage, Carens)
Documented failure modes
- Injector wear or internal leakage — documented as the main weak point of this otherwise robust Bosch common-rail system
- Nozzle wear from poor-quality diesel degrading the spray pattern
- External injector leakage allowing fuel smell or fuel dilution of the oil in advanced cases
Diagnostic guidance
- Run a return-flow (leak-off) test — severe internal leakage is the classic D4EA no-start cause
- Rule out rail-pressure regulator and sensor faults, which mimic injector failure on this engine
- Monitor the engine-oil level on suspected leaking injectors
- Clean injector bores and seats and fit new sealing washers on every refit
Fitment note: The D4EA ran across multiple model years and outputs with different Bosch references — match the reference etched on the injector body before ordering.
Related D4EA Engine Guides
Related Pages
BOSCH 2.0L CRDi — browse compatible engines, vehicles, and injectors
Compatible Vehicles
Recommended Injector
0445110064
BOSCH — View product page