Fuel injector OPEL Astra H 1.9 CDTI 120 hp

The 1.9 CDTI 120 HP diesel injector category addresses a critical need for reliable fuel system components in vehicles from brands like Opel, Vauxhall, and Chevrolet, where engine performance hinges on precise injector function. This range includes remanufactured units designed to restore original power delivery and reduce emissions, serving both professional mechanics and DIY enthusiasts who prioritize durability and cost-effectiveness over disposable parts.

Each injector in this category is sourced from wholesale suppliers specializing in diesel fuel systems, where remanufacturing processes restore internal components to near-original condition while maintaining strict tolerances. The grossist role ensures consistent supply, competitive bulk pricing, and simplified procurement for workshops and private buyers alike.

Professional uses by trade

Professionals and car owners use these injectors to resolve performance issues such as rough idling, excessive smoke, or power loss, often after diagnosing fuel delivery faults through pressure tests or scan tool data.

• Le garagiste independant : Replaces faulty injectors in customer vehicles to restore engine smoothness and fuel efficiency without costly dealership interventions.
• L'automobiliste depanne : Installs a remanufactured injector as a temporary fix to get a stranded vehicle back on the road before scheduling professional service.
• Le passionne qui fait lui-meme : Swaps out a failing injector in a project car to improve throttle response and reduce black smoke during test drives.
• Der deutsche Kaeufer (DACH) : Orders bulk injectors for a fleet of company vehicles to minimize downtime and maintain consistent fuel economy across all units.
• Le garagiste independant : Uses injector cores as trade-ins to reduce costs when customers opt for remanufactured parts over new OEM replacements.
• L'automobiliste depanne : Purchases a single injector for a weekend repair project, prioritizing affordability and immediate availability over long-term warranties.
• Der deutsche Kaeufer (DACH) : Stocks remanufactured injectors as part of preventive maintenance kits to address common diesel engine wear patterns in company fleets.

Range comparison

Below, you will find the exact remanufactured injector references compatible with the 1.9 CDTI 120 HP engine, listed by OEM part number for precise identification and ordering.

How to choose

Selecting the right injector requires attention to compatibility, condition, and intended use, as not all remanufactured units suit every application equally.

1. Verify the engine code and vehicle model year to ensure the injector matches the exact fuel system specifications of your 1.9 CDTI 120 HP unit.
2. Inspect the injector’s condition for signs of corrosion or physical damage, as these can compromise performance even after remanufacturing.
3. Check the packaging for a core deposit label if returning a used injector, as this often reduces the net cost of the replacement part.
4. Prioritize injectors from brands with a track record in diesel fuel systems, such as Bosch, to ensure consistent spray patterns and longevity.
5. For fleet applications, order injectors in bulk to benefit from tiered pricing and reduce the frequency of emergency stockouts.
6. For private buyers, consider single-unit purchases with a focus on immediate availability rather than long-term storage needs.
7. Ensure the injector’s electrical connector matches your vehicle’s wiring harness to avoid compatibility issues during installation.

Storage & logistics

Bulk-purchased remanufactured injectors should be stored in a climate-controlled environment away from direct sunlight and moisture to prevent seal degradation or electrical corrosion. For workshops, organize injectors by vehicle model and engine code in labeled bins to streamline retrieval during repairs. Avoid stacking heavy items on top of injector trays to prevent deformation of the precision-machined nozzle assemblies. Regularly rotate stock to use older units first, reducing the risk of parts sitting unused for extended periods.

Since 2026, our team has handled thousands of 1.9 CDTI injectors, refining our sourcing to deliver parts that meet the exacting standards of independent garages and diesel enthusiasts alike.— autoKUR team

Related categories

Browse our other ranges:

• 1.9 CDTI 150 hp
• 1.7 CDTI 125 hp
• 1.7 CDTI 110 hp
• 1.7 CDTI 101 hp
• 1.7 CDTI 100 hp
• 1.9 CDTI 100 hp

Useful references

For regulatory and sector references, see Reglement (UE) 461/2010 — pieces de rechange et garantie constructeur.