Z13DTJ Diesel Injectors
Compatible with Vauxhall Agila B, Vauxhall Astra H, Vauxhall Combo C, and 2 more
- OEM Tested & Calibrated
- 12-Month Warranty
- Free UK Delivery
Select the correct injector for your Z13DTJ engine below
Fits Vauxhall Agila B, Vauxhall Astra H, Vauxhall Combo C, Vauxhall Corsa D and more
Top injectors for Z13DTJ
Compatible Injectors for Z13DTJ
- OEM Tested
- 12-Month Warranty
- Free UK Delivery
Common problems solved by these injectors
About the Z13DTJ engine
The Z13DTJ is a 1.3l 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 Z13DTJ Engine
| Vehicle | Engine | Years |
|---|---|---|
| Vauxhall Agila B injector | 1.3L | 2008–2010 |
| Vauxhall Astra H injector | 1.3L | 2005–2010 |
| Vauxhall Combo C injector | 1.3L | 2005–2010 |
| Vauxhall Corsa D injector | 1.3L | 2006–2010 |
| Vauxhall Meriva A injector | 1.3L | 2003–2010 |
Common Z13DTJ 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.
Z13DTJ Technical Specifications
Displacement
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Power
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Torque
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Fuel System
Common Rail Direct Injection
The Z13DTJ is a 1.3l common rail diesel engine. This engine uses Bosch diesel injectors.
Engine Intelligence
Vauxhall / Opel / Fiat 1.3 CDTI (Z13DTJ / Z13DTH / 199A2.000 — Bosch)
Documented failure modes
- Injector seizure in the cylinder head from carbon build-up (small MultiJet platform trait)
- Nozzle wear causing over-fuelling
- Combustion leaks past the injector washer
Diagnostic guidance
- Soak injector bores before removal — seized injectors are common on high-mileage 1.3 units
- Clean seats fully and fit new washers before installing replacements
- Injector codes must be registered following the manufacturer procedure after fitting
Fitment note: This 1.3 generation (Z13DTJ/Z13DTH, Fiat 199A2.000) uses different Bosch references from the earlier Z13DT/Y13DT builds — confirm the 0445110 number etched on the injector.
Related Z13DTJ Engine Guides
Related Pages
Bosch 1.3L — browse compatible engines, vehicles, and injectors