Frequently asked questions
About this category
This category covers exchange-standard turbochargers and high-pressure injection pumps specifically designed for the Mercedes-Benz OM646 diesel engine (314 CDI 143 hp). These components are essential for maintaining optimal engine performance, whether you are a professional mechanic, a DIY enthusiast, or a vehicle owner facing a breakdown. The parts listed here are remanufactured to original specifications, ensuring durability and compatibility with your vehicle’s motorization.
The range is built in collaboration with leading remanufacturing specialists, who source cores from across Europe to ensure a steady supply of high-quality exchange-standard units. As a wholesale supplier, we provide these parts to garages and retailers, enabling them to offer cost-effective solutions to their customers without sacrificing performance or reliability.
Professional uses by trade
Different professionals rely on these components in distinct ways. Garages use them to repair customer vehicles efficiently, while DIY enthusiasts source them for personal projects. German buyers, in particular, value the precision and compatibility of these parts for their Mercedes-Benz engines.
- Le garagiste independant : Replace a failing turbocharger or high-pressure pump in a Mercedes-Benz 314 CDI to restore full engine power and prevent further damage.
- L'automobiliste depanne : Order an exchange-standard turbocharger to address sudden loss of acceleration or excessive black smoke from the exhaust.
- Le passionne qui fait lui-meme : Source a remanufactured high-pressure pump to complete a DIY engine repair project with confidence in part quality.
- Der deutsche Kaeufer (DACH) : Purchase a standardized turbocharger for a Mercedes OM646 engine, ensuring long-term reliability and adherence to German automotive standards.
- Le garagiste independant : Use exchange-standard parts to reduce repair costs for customers while maintaining high service standards and vehicle performance.
- L'automobiliste depanne : Opt for a remanufactured high-pressure pump to avoid the expense of a new OEM unit while ensuring consistent fuel delivery.
- Der deutsche Kaeufer (DACH) : Select a turbocharger from this category to address performance issues in a 314 CDI without compromising on quality or compatibility.
Range comparison
Below, you will find the available exchange-standard units for the Mercedes-Benz OM646 (314 CDI 143 hp), listed with their specific references and intended uses.
| Range | Use | Format |
|---|---|---|
| SL Turbo AL0049 | Turbocharger for OM646 engines | |
| SL Turbo 1000 988 0074 | High-pressure pump for OM646 engines |
How to choose
Selecting the right exchange-standard part requires attention to compatibility, condition, and intended use. Professionals should prioritize units that match the engine’s specifications and show no signs of external damage.
- Verify the engine code and vehicle model to ensure the turbocharger or pump is compatible with your Mercedes-Benz OM646 (314 CDI 143 hp).
- Inspect the condition of the exchange-standard unit for any cracks, corrosion, or missing components before installation.
- Check the packaging for proper sealing and protection to prevent contamination during transport and storage.
- Confirm the part’s rotation direction and connection points to avoid installation errors in the workshop.
- Prioritize suppliers with a track record of consistent quality and reliable returns for defective units.
- Ensure the part’s reference matches the OEM or equivalent specifications for seamless integration.
- For high-pressure pumps, confirm the fuel delivery rate aligns with the engine’s requirements to maintain optimal performance.
Storage & logistics
Proper storage of exchange-standard turbochargers and high-pressure pumps is critical to preserving their condition before installation. Keep units in a dry, temperature-controlled environment away from direct sunlight and contaminants. For garages, store parts in sealed packaging until ready for use to prevent moisture or dust accumulation. When handling, avoid dropping or applying excessive force to prevent damage to the cartridge or CHRA components. Regular inventory rotation ensures older stock is used first, maintaining freshness and reliability for every repair job.
With over a decade of experience in diesel engine components, our team has seen how a single remanufactured turbocharger or pump can restore a vehicle’s performance without the cost of a new OEM part. We focus on delivering parts that meet the highest standards of compatibility and durability.— 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.


