Frequently asked questions
About this category
The 1.6 CDTI 136 HP diesel engine, found in models from 2009 to 2018, demands high-precision fuel delivery to maintain power and emissions compliance. This category focuses on remanufactured fuel injectors designed to replace worn or failing units, restoring original performance without the expense of new OEM components. Whether you're a professional mechanic or a DIY enthusiast, selecting the right injector requires understanding its role in the high-pressure common rail system.
Our range is curated from trusted suppliers specializing in diesel fuel systems, ensuring each injector meets strict remanufacturing protocols. The wholesale approach allows us to offer calibrated replacements at competitive rates, bridging the gap between OEM quality and aftermarket affordability. This model supports independent garages and fleet operators seeking cost-effective solutions without compromising reliability.
Professional uses by trade
Different users approach injector replacement with distinct priorities: garages prioritize bulk availability and traceability, while DIY enthusiasts value clear compatibility guides. Professionals often seek bulk discounts and fast shipping, whereas private owners may focus on ease of installation and warranty terms.
- Le garagiste independant : Replace faulty injectors in batches to minimize vehicle downtime during fleet maintenance or customer repairs, ensuring consistent performance across multiple vehicles.
- L'automobiliste depanne : Diagnose and replace a failing injector when the engine runs rough or emits black smoke, restoring smooth acceleration and fuel efficiency without costly dealership visits.
- Le passionne qui fait lui-meme : Source a remanufactured injector with clear OEM references to perform the replacement at home, leveraging online guides and technical forums for step-by-step support.
- Der deutsche Kaeufer (DACH) : Order injectors with German-language documentation and metric measurements, ensuring seamless integration with vehicles like Opel Insignia or Vauxhall models sold in the DACH region.
- Le garagiste independant : Stock calibrated injectors for popular 1.6 CDTI variants to reduce lead times for customers, maintaining a competitive edge in local repair markets.
- L'automobiliste depanne : Identify injector failure through symptoms like misfires or excessive fuel consumption, then source a tested replacement to avoid recurring issues.
- Der deutsche Kaeufer (DACH) : Purchase injectors with documented remanufacturing processes, providing reassurance of quality for high-mileage diesel engines in German or Austrian vehicles.
Range comparison
Below, we compare two remanufactured injector options for the 1.6 CDTI 136 HP, detailing their specifications, compatibility, and intended use cases. Each product is selected for its proven performance in diesel common rail systems.
| Range | Use | Format |
|---|---|---|
| Injector DENSO 55570012 | Direct replacement for Opel/Vauxhall 1.6 CDTI | |
| Injector DENSO 295050-0770 | High-flow option for tuned or performance diesel engines |
How to choose
Selecting the right injector involves evaluating several technical and logistical factors. Compatibility with your vehicle’s engine code and model year is paramount, followed by the injector’s remanufacturing quality and warranty terms.
- Verify the engine code (e.g., Z17DTH) and model year to ensure the injector matches your vehicle’s specifications, avoiding mismatches that could damage the fuel system.
- Prioritize injectors with documented remanufacturing processes, including nozzle cleaning, pressure testing, and flow rate calibration to original OEM standards.
- Check the packaging for clear OEM references and batch numbers, which facilitate traceability and simplify returns for defective units under warranty.
- For bulk orders, request samples to confirm fitment and performance before committing to larger quantities, reducing the risk of stocking incompatible parts.
- Assess the warranty duration and coverage terms, as longer warranties often indicate higher remanufacturing standards and supplier confidence in product durability.
- Consider the injector’s storage requirements, such as temperature control and protection from moisture, to maintain its condition until installation.
- For performance applications, select injectors with higher flow rates or upgraded components, but ensure they remain compatible with your vehicle’s ECU and fuel system.
Storage & logistics
Proper storage of remanufactured injectors is critical to preserving their performance until installation. Keep injectors in their original packaging or sealed containers to prevent contamination from dust or moisture. Store them in a climate-controlled environment, ideally between 15°C and 25°C, away from direct sunlight or heat sources. Avoid stacking heavy items on top of the packaging to prevent deformation of the injector body or electrical connectors. For bulk orders, use labeled bins or shelves to organize by model and batch, ensuring quick identification during busy workshop periods. Regularly inspect stored injectors for signs of corrosion or damage, and rotate stock to prioritize older batches for faster turnover.
Since 2026, our team has processed thousands of injector replacements for 1.6 CDTI engines, refining our selection process to focus on durability and precision. We’ve seen firsthand how a well-calibrated injector restores engine smoothness and fuel economy, turning a frustrating breakdown into a straightforward repair.— autoKUR team
Related categories
Browse our other ranges:
Useful references
For regulatory and sector references, see Reglement (UE) 461/2010 — pieces de rechange et garantie constructeur.


