Frequently asked questions
About this category
This category serves owners and technicians working with the 1.7 CDTI 131 HP diesel engine, a motorization found in models from 2004 to 2015 across various brands. Here, you will find reconditioned fuel injectors designed for direct fitment, addressing common issues like misfires, rough idling, or excessive fuel consumption. Each injector is tested for spray uniformity and electrical resistance to match OEM performance standards.
The range is curated by a wholesale specialist in diesel components, sourcing injectors from remanufacturers with proven track records in diesel fuel systems. The focus is on delivering bulk-ready units that meet the demands of independent garages and DIY enthusiasts alike, with packaging optimized for storage and handling. No assembly or repair services are provided—only the injector as a standalone product.
Professional uses by trade
Different users approach this category with distinct needs: garages prioritize bulk availability and fast turnaround, while DIYers seek clear compatibility and straightforward installation. The following breakdown highlights how each group leverages these injectors to resolve engine performance issues efficiently.
- Le garagiste independant : Replaces faulty injectors in bulk to minimize vehicle downtime during scheduled maintenance or diagnostic repairs.
- L'automobiliste depanne : Orders a single injector to address a sudden loss of power or excessive black smoke from the exhaust.
- Le passionne qui fait lui-meme : Purchases a reconditioned injector for a home repair project, ensuring compatibility with their 1.7 CDTI engine’s specifications.
- Der deutsche Kaeufer (DACH) : Selects injectors based on OEM part numbers to align with local workshop standards and warranty expectations.
- Le garagiste independant : Uses the injector’s calibrated spray pattern to restore optimal combustion and reduce fuel consumption in high-mileage engines.
- L'automobiliste depanne : Matches the injector’s electrical resistance to the vehicle’s ECU requirements to avoid error code triggers after installation.
- Der deutsche Kaeufer (DACH) : Relies on the injector’s documented remanufacturing process to ensure consistent performance across fleets.
Range comparison
Below, you will find the available injector references for the 1.7 CDTI 131 HP, each listed with its OEM compatibility and key attributes. These units are sold as standalone products, ready for professional or DIY installation.
| Range | Use | Format |
|---|---|---|
| Injector DENSO 295050-005 | Direct replacement for Opel/Vauxhall 1.7 CDTI | |
| Injector DENSO 295050-0050 | High-flow variant for tuned 1.7 CDTI engines |
How to choose
Selecting the right injector requires attention to several factors beyond OEM compatibility. Professionals and enthusiasts should evaluate these criteria to ensure long-term reliability and performance.
- Verify the injector’s spray pattern matches the engine’s combustion chamber design to prevent uneven fuel distribution.
- Check the electrical resistance value to confirm compatibility with the vehicle’s ECU and avoid post-installation error codes.
- Assess the injector’s nozzle condition for signs of wear or carbon buildup that could affect spray consistency.
- Confirm the injector’s calibration aligns with the engine’s power output to maintain optimal fuel delivery.
- Prioritize injectors with documented remanufacturing processes to ensure consistent quality across batches.
- Evaluate the packaging for protection against moisture and static discharge during storage or transit.
- Review the injector’s OEM reference against the vehicle’s motorization code to avoid mismatches in fitment.
Storage & logistics
Bulk-purchased injectors should be stored in a climate-controlled environment, away from direct sunlight and humidity, to preserve their electrical components and sealing surfaces. For garages, organizing injectors by OEM reference and motorization code in labeled bins streamlines retrieval during repairs. Avoid stacking units to prevent mechanical stress on the nozzles or connectors. Always handle injectors with anti-static gloves to protect sensitive electronics, and store them in their original packaging until installation to maintain traceability.
With over 15 years in diesel systems, our team has seen how a single faulty injector can disrupt an entire engine’s balance. These reconditioned units undergo rigorous testing to ensure they restore performance without introducing new variables—because a diesel engine’s precision demands nothing less.— autoKUR team
Related categories
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Useful references
For regulatory and sector references, see Reglement (UE) 461/2010 — pieces de rechange et garantie constructeur.


