Frequently asked questions
About this category
The Mercedes 200 CDI 136 hp high-pressure pump category addresses a critical component in the common-rail diesel system, where failure leads to immediate drivability issues. This section targets professionals and owners who prioritize accuracy over generic replacements, offering a curated selection of exchange units designed for direct fitment. The pumps listed here are sourced from reputable suppliers and are intended for the 200 CDI engine family, covering model years where this motorization was prevalent.
Our high-pressure pump range for the Mercedes 200 CDI 136 hp is built around three core Delphi references, selected for their widespread use in the aftermarket. The wholesale approach ensures garages and distributors receive consistent supply, while the exchange model minimizes downtime for end-users. This structure reflects our commitment to supporting the repair ecosystem with reliable, ready-to-install components.
Professional uses by trade
Different users approach the Mercedes 200 CDI 136 hp high-pressure pump exchange for distinct reasons, whether it’s a garage managing multiple repairs or a DIY owner restoring a project vehicle. The following breakdown highlights how each group leverages this category to resolve issues efficiently.
- Independent garage: Replace a failing pump to restore full power delivery and eliminate diagnostic guesswork.
- DIY owner: Source an exchange unit to avoid costly dealership delays while ensuring proper fitment.
- German buyer: Access a high-pressure pump that meets Mercedes’ technical standards without language barriers.
- Fleet manager: Minimize vehicle downtime by stocking exchange pumps for the 200 CDI 136 hp fleet.
- Trucking workshop: Use exchange pumps to service commercial vehicles with Mercedes diesel engines.
- Classic car restorer: Find a pump compatible with older 200 CDI models where OEM parts are scarce.
- Performance tuner: Upgrade the high-pressure pump to support modified engine setups without compromising reliability.
Range comparison
The table below compares the three high-pressure pump references available for the Mercedes 200 CDI 136 hp, each tailored to specific use cases. These options are presented with their core attributes to simplify selection for professionals and owners alike.
| Range | Use | Format |
|---|---|---|
| High-pressure pump DELPHI 28447441 | Direct replacement for standard applications | |
| High-pressure pump DELPHI R9421A000A | High-flow variant for tuned engines | |
| High-pressure pump DELPHI R9424A020A | OEM-spec pump for warranty-compliant repairs |
How to choose
Selecting the right high-pressure pump for the Mercedes 200 CDI 136 hp requires evaluating several technical and logistical factors. The following criteria help buyers align their choice with the vehicle’s requirements and their own operational needs.
- Compatibility with the engine code OM611 or OM646 ensures the pump integrates seamlessly with the fuel system.
- Condition of the exchange unit—general overhaul status delivers performance without hidden defects.
- Packaging integrity protects the pump during transit, especially for bulk orders to workshops.
- Rotation of stock ensures fresh units are available, reducing the risk of latent issues.
- Technical documentation included with the pump aids in correct installation and troubleshooting.
- Bulk pricing tiers make high-pressure pumps cost-effective for garages managing multiple repairs.
- Supplier reputation for consistency in quality across batches of exchange units.
Storage & logistics
For B2B buyers, proper storage of high-pressure pumps is essential to maintain their condition until installation. These units should be kept in a dry, temperature-controlled environment away from direct sunlight, with seals intact to prevent contamination. Rotate stock regularly to avoid prolonged storage, and inspect packaging for damage before accepting delivery. This approach ensures the pump remains in optimal condition for immediate use in repairs.
Since 2026, our team has processed hundreds of Mercedes 200 CDI 136 hp high-pressure pump exchanges, refining our process to match the exacting standards of German diesel engines. We focus on delivering a product that meets the technical demands of the market without overpromising—just reliable performance.— autoKUR team
Related categories
Browse our other ranges:
Useful references
For regulatory and sector references, see Reglement (UE) 461/2010 — pieces de rechange et garantie constructeur.