A13DTC Diesel Injectors
Compatible with Alfa Romeo MiTo, Fiat Doblo, Fiat Punto, and 4 more
- OEM Tested & Calibrated
- 12-Month Warranty
- Free UK Delivery
Select the correct injector for your A13DTC engine below
Fits Alfa Romeo MiTo, Fiat Doblo, Fiat Punto, Vauxhall Astra J and more
Top injectors for A13DTC
Compatible Injectors for A13DTC
- OEM Tested
- 12-Month Warranty
- Free UK Delivery
Common problems solved by these injectors
About the A13DTC engine
The A13DTC is a 1.3l cdti/multijet 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 A13DTC Engine
| Vehicle | Engine | Years |
|---|---|---|
| Alfa Romeo MiTo injector | 1.3 JTDM | 2010–2018 |
| Fiat Doblo injector | 1.3 Multijet | 2010–2015 |
| Fiat Punto injector | 1.3 Multijet | 2010–2018 |
| Vauxhall Astra J injector | 1.3 CDTi | 2010–2015 |
| Vauxhall Combo D injector | 1.3 CDTi | 2012–2018 |
| Vauxhall Corsa D injector | 1.3 CDTi | 2010–2014 |
| Vauxhall Meriva B injector | 1.3 CDTi | 2010–2017 |
Common A13DTC 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.
A13DTC Technical Specifications
Displacement
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Power
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Torque
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Fuel System
Common Rail Direct Injection
The A13DTC is a 1.3l cdti/multijet common rail diesel engine. This engine uses Bosch diesel injectors.
Engine Intelligence
Vauxhall / Opel 1.3 CDTI ecoFLEX (A13DTC / A13DTE / A13DTR — Bosch)
Documented failure modes
- Injector seizure in the head from carbon build-up on high-mileage units
- Nozzle wear causing over-fuelling
- Combustion leaks past the injector washer
Diagnostic guidance
- Soak injector bores before removal on high-mileage engines
- Clean seats fully and fit new washers before installing replacements
- Injector codes must be registered following the manufacturer procedure after fitting
Fitment note: A13DTC/A13DTE/A13DTR Euro 5 builds use different Bosch references from the earlier Z13 generations — confirm the 0445110 number etched on the injector.
Related A13DTC Engine Guides
Related Pages
Bosch 1.3L CDTi/Multijet — browse compatible engines, vehicles, and injectors