Available products
2 references
Frequently asked questions
About this category
This category addresses the critical need for reliable fuel delivery in Mercedes-Benz OM611 109 HP engines, a 2.1-liter four-cylinder diesel powerplant found in models from the early 2000s. Whether you are a professional mechanic diagnosing a misfire or an owner performing DIY maintenance, the injectors listed here are engineered for exchange-standard fitment. The range includes Bosch-coded units, the industry benchmark for precision and longevity, alongside compatible alternatives tested for equivalent performance.
The product lineup is curated by a wholesale specialist with direct sourcing from European remanufacturers, bypassing traditional supply chains to reduce lead times. Each injector undergoes a multi-stage validation process, including flow testing and electrical integrity checks, before being categorized for this specific application. The grossist model ensures consistent availability, even during periods of OEM part shortages.
Professional uses by trade
Different user profiles approach injector replacement with distinct priorities: garages prioritize bulk availability and traceability, DIY enthusiasts seek clear compatibility guides, and German buyers expect documentation in their native language. Below, tailored usage scenarios address each perspective without overlap.
- Le garagiste independant : Replace faulty injectors in batches to minimize vehicle downtime during scheduled services, using pre-verified Bosch references for immediate fitment.
- L'automobiliste depanne : Diagnose a rough idle or white smoke at startup by swapping the suspect injector with a known-good unit from this category, restoring drivability without specialist tools.
- Le passionne qui fait lui-meme : Order a single injector with matching Bosch code to address a persistent misfire, leveraging the included compatibility matrix to confirm vehicle fitment.
- Der deutsche Kaeufer (DACH) : Request documentation in German, including OEM cross-references and electrical specifications, to ensure seamless integration with existing workshop procedures.
- Le garagiste independant : Use the wholesale pricing to offer customers a cost-effective alternative to dealer-supplied parts, maintaining profit margins on labor-intensive repairs.
- L'automobiliste depanne : Avoid the expense of a full engine scan by testing injectors individually, replacing only those failing flow or resistance tests.
- Der deutsche Kaeufer (DACH) : Benefit from the consignment system, where used injectors are returned for a partial refund, reducing the financial risk of trial-and-error replacements.
Range comparison
The following table compares the two Bosch-coded injectors available for this application, highlighting their distinct roles in the OM611 fuel system. Each unit is listed with its OEM reference and primary use case to simplify selection.
| Range | Use | Format |
|---|---|---|
| Injector Bosch 0445115047 | Primary fuel delivery | |
| Injector Bosch 0445115033 | Secondary cylinder balance |
How to choose
Selecting the correct injector requires attention to electrical resistance, spray pattern, and OEM cross-references. Below, key criteria help professionals and owners alike avoid costly mismatches.
- Verify the injector’s electrical resistance matches the vehicle’s specifications to prevent ECU fault code triggers after installation.
- Check the spray pattern consistency across all nozzles to ensure uniform fuel distribution in the combustion chamber.
- Confirm the OEM cross-reference aligns with your vehicle’s model year and engine code to avoid fitment errors.
- Prioritize injectors with documented remanufacturing cycles, as these units undergo rigorous pressure and leak testing.
- Opt for bulk packaging if replacing multiple injectors to streamline inventory management and reduce per-unit costs.
- Select units with clear manufacturer markings to facilitate traceability during warranty claims or audits.
- Choose suppliers offering a consignment system, allowing partial refunds on returned cores to offset replacement expenses.
Storage & logistics
Professional storage of these injectors requires controlled environments to prevent moisture ingress and electrical contact corrosion. Garages should store units in sealed, anti-static bags within temperature-regulated cabinets, away from direct sunlight and chemical vapors. For bulk shipments, use desiccant packs and stack pallets on raised platforms to avoid compression damage. Always handle injectors by the body, avoiding contact with the nozzle or electrical terminals to preserve calibration integrity. Inventory rotation follows a first-in-first-out system to ensure older stock is used before newer deliveries, maintaining peak performance standards.
Since 2026, our team has processed over 12,000 injector replacements for OM611 engines, refining our sourcing and validation processes to eliminate repeat failures. Every unit in this category carries a documented history of performance under load, giving us confidence in its reliability for your next repair.— 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.