High-pressure pump AUDI A8 D3 (4E2 / 4E8) 4.2 TDI Quattro 320 hp

The 4.2 TDI Quattro 320 hp category addresses a critical pain point for Audi owners and professionals: the high-pressure pump’s role in fuel delivery and engine efficiency. Whether you’re a mechanic diagnosing a misfire or a driver noticing hesitation, this section provides the technical clarity needed to select the right exchange-standard pump. The range includes Bosch and equivalent models, all remanufactured to restore precision and longevity.

This category is built for professionals who demand consistency in bulk orders, with each pump sourced from suppliers adhering to strict remanufacturing standards. The wholesale approach ensures garages receive units ready for immediate installation, while DIY users gain access to the same quality at a fraction of the new part cost. The focus remains on compatibility and reliability, not brand allegiance.

Professional uses by trade

Different users approach the high-pressure pump challenge with distinct needs: garages prioritize bulk availability and fast turnaround, while DIY enthusiasts seek clarity on installation steps. German buyers, in particular, value precision and documentation. This section breaks down how each group benefits from the exchange-standard solution.

• Le garagiste independant : Replace a failing pump in under two hours using the Bosch 0445010119, minimizing vehicle downtime and maximizing workshop efficiency.
• L'automobiliste depanne : Diagnose symptoms like rough idling or power loss by cross-referencing your engine code with the pump’s OEM reference before ordering.
• Le passionne qui fait lui-meme : Follow step-by-step guides to remove the old pump, install the remanufactured unit, and reset the engine control unit for seamless operation.
• Der deutsche Kaeufer (DACH) : Verify compatibility with your Audi’s motorization by checking the engine code and model year against the provided references before purchase.
• Le garagiste independant : Order pumps in bulk to stock core inventory, reducing lead times and leveraging wholesale pricing for competitive quotes.
• L'automobiliste depanne : Request a core deposit return when purchasing to offset costs and ensure responsible recycling of the old pump.
• Der deutsche Kaeufer (DACH) : Use the detailed technical sheets to confirm the pump’s specifications match your vehicle’s requirements before finalizing the order.

Range comparison

The following table compares the available high-pressure pumps by reference, format, and intended use. Each unit is remanufactured to original specifications, ensuring reliable performance for your Audi 4.2 TDI Quattro 320 hp.

How to choose

Selecting the right high-pressure pump requires attention to compatibility, condition, and cost. Professionals should evaluate packaging, storage life, and supplier reliability, while DIY users benefit from clear documentation and return policies.

1. Verify the engine code and model year to ensure the pump’s compatibility with your Audi 4.2 TDI Quattro 320 hp before ordering.
2. Check the pump’s condition—remanufactured units should show no signs of corrosion or mechanical wear to deliver consistent performance.
3. Opt for suppliers offering core deposit returns to reduce costs and support sustainable recycling of used pumps.
4. Prioritize pumps with documented remanufacturing processes, including cartridge and CHRA inspections, for long-term reliability.
5. For bulk orders, request samples to test fitment and performance before committing to a full shipment.
6. Ensure the pump’s packaging protects against moisture and impact during transit, preserving its condition until installation.
7. Compare pricing across suppliers, but avoid units priced significantly below market value, which may indicate substandard remanufacturing.

Storage & logistics

Storing high-pressure pumps requires controlled conditions to prevent degradation. Keep units in their original packaging, away from direct sunlight and extreme temperatures, with humidity levels below 60%. For workshops, organize inventory by reference and model year to streamline retrieval. Always inspect pumps upon arrival for damage or contamination, and store them vertically to avoid stress on seals. Regularly rotate stock to ensure older units are used first, maintaining freshness and reliability.

With over 15 years in the turbo and injection remanufacturing sector, our team has seen how a failing high-pressure pump can cripple an engine’s performance. We don’t just sell parts—we restore the confidence of mechanics and drivers alike by delivering units that meet the original equipment’s standards.— autoKUR team

Related categories

Browse our other ranges:

• 4.2 TDI Quattro 326 hp
• 4.0 TDI Quattro 275 hp
• 3.0 TDI Quattro 233 hp
• 3.0 TDI Quattro 211 hp

Useful references

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