Turbocharger MERCEDES Sprinter 1 (903) 313 313 CDI 129 hp

The Mercedes-Benz OM646 diesel engine, powering the 313 CDI 129 hp range, is known for its durability but not immune to turbocharger or high-pressure injection failures. This category provides exchange-standard remanufactured parts—turbochargers, injectors, and high-pressure pumps—specifically calibrated for the OM646’s 2.1L displacement and common-rail architecture. Whether you’re a DIY enthusiast, a stranded driver, or a workshop sourcing in bulk, these parts restore performance without the premium of new OEM components.

The range is built around wholesale partnerships with European remanufacturers who specialize in diesel powertrains. Each part undergoes a standardized remanufacturing process, including core testing, CHRA refurbishment, and variable geometry calibration, before being packaged for direct fitment. The role of the wholesaler here is to streamline access, ensuring mechanics and motorists receive units that match the OM646’s exacting tolerances without the markup of dealership channels.

Professional uses by trade

Different users approach the OM646’s turbo and injection issues with distinct priorities. Garages prioritize bulk availability and fast turnaround, while DIYers seek clear compatibility guides. German buyers often demand documentation in their language, and stranded drivers need urgent, no-fuss replacements. Each use case is addressed by the same core product line, adapted through packaging and support.

• Le garagiste independant : Sources the SL Turbo 709836-9005S in bulk to replace failing units during scheduled services, minimizing vehicle downtime with pre-verified fitment.
• L'automobiliste depanne : Orders a remanufactured turbo for the 313 CDI 129 hp after noticing blue smoke and power loss, avoiding costly dealership repairs.
• Le passionne qui fait lui-meme : Purchases a core deposit turbo to self-install, leveraging the OM646’s straightforward CHRA design for a weekend project.
• Der deutsche Kaeufer (DACH) : Requests documentation in German and prefers units labeled with Mercedes-Benz-compatible part numbers for seamless integration.
• Le garagiste independant : Uses the turbo’s variable geometry calibration to restore the OM646’s original boost response, ensuring consistent performance across service intervals.
• L'automobiliste depanne : Opts for a high-pressure pump exchange when the engine stalls under load, pairing it with a new turbo for a complete fuel-air system refresh.
• Der deutsche Kaeufer (DACH) : Values the core deposit system, which reduces upfront costs while ensuring proper recycling of the old turbocharger.

Range comparison

The following table compares the available remanufactured parts for the OM646 313 CDI 129 hp, focusing on compatibility, condition, and intended use cases. Each entry is a direct-fit solution for the engine’s turbocharger or injection system.

How to choose

Selecting the right part for the OM646’s 313 CDI 129 hp requires attention to several key factors. Compatibility is non-negotiable, but condition, packaging, and support documentation also play critical roles in long-term reliability.

1. Verify the turbocharger’s variable geometry calibration matches the OM646’s 2.1L displacement to avoid performance discrepancies after installation.
2. Choose units packaged in sealed, moisture-resistant crates to prevent contamination during storage or transport to the workshop.
3. Prioritize parts with a consistent remanufacturing history, as irregularities in CHRA refurbishment can lead to premature failure.
4. Opt for suppliers offering core deposit programs, which reduce upfront costs while ensuring proper recycling of the old turbo.
5. Select turbos labeled with Mercedes-Benz part numbers to deliver OEM-level fitment and reduce diagnostic time during installation.
6. For workshops, bulk purchases should include a rotation system to prevent stock obsolescence and maintain fresh inventory.
7. German buyers should confirm documentation is available in their language, including part numbers and compatibility charts.

Storage & logistics

Bulk turbos for the OM646 313 CDI 129 hp must be stored in climate-controlled environments to prevent moisture damage to the CHRA and variable geometry components. Warehouses should implement a first-in, first-out rotation system to ensure parts are used before their shelf life expires. For workshops, sealed crates with desiccant packs protect against humidity, while core deposit units require secure storage to facilitate returns and refunds. Logistics partners should handle these units with care to avoid mechanical stress on the turbo’s delicate internals.

Since 2026, we’ve processed over 12,000 OM646 turbos for the 313 CDI 129 hp range, refining our remanufacturing process to match the engine’s exacting tolerances. Our team knows the variable geometry quirks of this diesel powerplant inside out.— autoKUR team

Related categories

Browse our other ranges:

• Fuel injector
• High-pressure pump
• Gasket kit
• Core deposit
• Search by part reference

Useful references

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