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For the MERCEDES Vito (W638) in 116 CDI 163 hp (120 kW diesel), the autoKUR catalogue holds 1 exchange-standard reference(s). At equal displacement, two outputs do not call for the same part.
Engine specification: 2143 cm³, diesel. Matching part number: R9424A020A (DELPHI). Compare with the code stamped on your part.
Other engines of the MERCEDES Vito (W638): 122 CDI 224 hp, 113 CDI 136 hp, 112 CDI 122 hp. If the code stamped on your part is legible, search by reference remains the safest route. 24-month warranty.
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Frequently asked questions
About this category
The high-pressure pump category for the Mercedes-Benz 116 CDI (OM651, 163 hp) addresses a common failure point in diesel engines, where wear on the pump’s internal components leads to reduced fuel delivery, poor combustion, and eventual loss of power. This section targets mechanics, DIY enthusiasts, and stranded drivers seeking a reliable exchange-standard solution that restores the engine’s original performance without the expense of a brand-new OEM unit.
The range is built around the OM651’s specific requirements, with pumps sourced from specialist remanufacturers who strip, inspect, and rebuild each unit to OEM specifications. The role of the wholesaler here is to aggregate these high-quality remanufactured parts, ensuring workshops and private buyers access the right pump with minimal lead time and maximum reliability.
Professional uses by trade
Different users approach the high-pressure pump replacement with distinct priorities: garages prioritize bulk availability and fast turnaround, while DIYers seek clear compatibility and straightforward installation. German buyers, in particular, value precision-engineered components that meet the OM651’s stringent tolerances.
- Le garagiste independant : Replaces the high-pressure pump during routine maintenance to prevent unexpected breakdowns, using exchange-standard units that reduce downtime and labor costs.
- L'automobiliste depanne : Orders a remanufactured pump after diagnosing a fuel delivery issue, ensuring the engine regains power without the cost of a dealership visit.
- Le passionne qui fait lui-meme : Sources a compatible high-pressure pump for a DIY swap, relying on clear OEM references to avoid mismatched parts.
- Der deutsche Kaeufer (DACH) : Prefers exchange-standard pumps with documented remanufacturing processes, ensuring long-term reliability for the OM651’s common-rail system.
- Le garagiste independant : Uses the pump’s OEM reference (e.g., DELPHI R9424A020A) to confirm compatibility with the 116 CDI’s engine code, avoiding costly misorders.
- L'automobiliste depanne : Checks the pump’s condition by monitoring symptoms like excessive smoke or rough idling before ordering an exchange-standard replacement.
- Der deutsche Kaeufer (DACH) : Values pumps with a core deposit system, allowing the return of the old unit to offset the cost of the remanufactured part.
Range comparison
The following table compares exchange-standard high-pressure pumps for the Mercedes-Benz 116 CDI (OM651, 163 hp), listing each unit’s OEM reference, intended use, and packaging format to simplify selection for professionals and private buyers alike.
| Range | Use | Format |
|---|---|---|
| High-pressure pump DELPHI R9424A020A | Workshop stock for immediate fitment |
How to choose
Selecting the right high-pressure pump for the 116 CDI requires attention to OEM compatibility, remanufacturing standards, and packaging options that suit your workflow, whether you’re a garage ordering in bulk or a DIYer needing a single unit.
- Verify the pump’s OEM reference (e.g., DELPHI R9424A020A) matches the engine code of your 116 CDI to avoid installation issues or performance discrepancies.
- Prioritize pumps with documented remanufacturing processes, ensuring internal components meet the OM651’s original tolerances for consistent fuel delivery.
- Choose bulk packaging if you’re a workshop to reduce per-unit costs and streamline inventory management for frequent replacements.
- Opt for single-unit packaging if you’re a DIYer or occasional buyer, balancing cost with the convenience of a smaller order.
- Check the pump’s core deposit system availability, allowing you to return the old unit and reduce the net cost of the exchange-standard part.
- Confirm the pump’s compatibility with your 116 CDI’s model year and power output (163 hp) to ensure seamless integration with the common-rail system.
- Select suppliers with a track record in diesel injection components, as their expertise directly impacts the pump’s longevity and performance.
Storage & logistics
For workshops, storing exchange-standard high-pressure pumps requires a dry, temperature-controlled environment to prevent moisture damage to seals and internal components. Bulk boxes should be stored on shelves with clear labeling by OEM reference, while single units benefit from individual protective packaging to avoid contamination. Regular stock rotation ensures older units are used first, maintaining the integrity of the remanufactured components. German buyers should note that storage conditions in humid climates may require additional precautions to preserve the pump’s condition until installation.
Since 2026, our team has specialized in sourcing remanufactured high-pressure pumps for the OM651, ensuring each unit undergoes rigorous testing to meet the strict standards of Mercedes-Benz diesel engines.— autoKUR team
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Useful references
For regulatory and sector references, see Reglement (UE) 461/2010 — pieces de rechange et garantie constructeur.