High-pressure pump AUDI Q3 (8UB / 8UG) 2.0 TDI 177 hp

The 2.0 TDI 177 HP diesel engine is a workhorse found in Volkswagen Group vehicles from the mid-2000s to early 2010s, prized for its torque and efficiency. This category covers high-pressure pumps designed to deliver precise fuel quantities at pressures up to 2,000 bar, a role that directly impacts engine power, emissions, and reliability. Whether you're a mechanic diagnosing a misfire or a car owner replacing a worn component, remanufactured pumps provide a durable alternative to costly OEM replacements.

This range is built around the Bosch 0445010507 pump, a benchmark in diesel injection systems for its balance of performance and longevity. As a wholesale supplier, we source cores from European workshops, refurbish them to OE tolerances, and distribute them to garages and retailers. The process eliminates the need for costly new parts while maintaining the high standards required for TDI engines.

Professional uses by trade

Different users approach this category with distinct needs: garages prioritize bulk availability and fast turnaround, while DIY enthusiasts seek clear compatibility guides. German buyers often compare core deposit policies and warranty terms before committing to a purchase.

• Le garagiste independant : Replace a failing pump in a 2010 Audi A4 2.0 TDI to restore full power delivery and pass emissions tests without delay.
• L'automobiliste depanne : Diagnose a sudden loss of acceleration in a 2008 Volkswagen Passat 2.0 TDI by testing the high-pressure pump before considering costly repairs.
• Le passionne qui fait lui-meme : Swap a worn Bosch pump in a Mk4 Golf TDI using basic tools, leveraging remanufactured cores to save hundreds compared to OEM pricing.
• Der deutsche Kaeufer (DACH) : Compare core deposit fees and return policies for the Bosch 0445010507 pump across German suppliers to minimize upfront costs for workshop inventory.
• Le garagiste independant : Use a remanufactured pump to repair a fleet vehicle with 200,000 km, ensuring consistent performance across multiple TDI models.
• L'automobiliste depanne : Address a persistent P2002 error code in a Skoda Octavia 2.0 TDI by replacing the high-pressure pump, a common fix for limp mode issues.
• Der deutsche Kaeufer (DACH) : Order the Bosch pump in bulk for a Volkswagen dealership’s service bay, benefiting from wholesale pricing and reduced lead times for customer repairs.

Range comparison

Below, you’ll find the Bosch 0445010507 high-pressure pump, the most widely specified unit for 2.0 TDI 177 HP engines across Volkswagen Group models.

How to choose

Selecting the right high-pressure pump involves more than matching the part number—consider core condition, packaging, and supplier reliability to avoid hidden costs.

1. Verify the pump’s compatibility with your vehicle’s engine code (e.g., CBAB, CFFB) to prevent installation errors or performance mismatches.
2. Check the core deposit policy: some suppliers offer refunds for returned cores, reducing upfront expenses for workshops with high turnover.
3. Prioritize pumps with visible wear indicators or refurbishment stamps, as these often indicate thorough testing and quality control processes.
4. Compare packaging: sealed units with desiccant protect against moisture damage during transit, critical for long-term storage in garages.
5. Assess the supplier’s return window for defective units, as extended policies provide flexibility for quality assurance checks.
6. Evaluate bulk pricing tiers: larger orders often unlock discounts, making remanufactured pumps more economical for high-volume repairs.
7. Confirm the pump’s rotational direction and connector type to ensure seamless integration with your engine’s fuel system.

Storage & logistics

For workshops storing multiple high-pressure pumps, keep units in a climate-controlled environment away from direct sunlight to prevent seal degradation. Label each pump with its engine compatibility and core deposit status to streamline inventory management. Rotate stock based on first-in, first-out principles to maintain freshness, especially for pumps with rubber components prone to aging. Avoid stacking heavy items on top of pumps, as pressure can distort housings and affect performance. Regularly inspect seals and connectors for cracks or corrosion before installation to prevent fuel leaks or pressure drops.

Since 2026, we’ve seen TDI engines with over 180,000 km rely on remanufactured pumps to avoid catastrophic failures, proving that quality refurbishment can outlast even some OEM units in demanding conditions.— autoKUR team

Related categories

Browse our other ranges:

• 2.0 TDI 184 hp
• 2.0 TDI Quattro 184 hp
• 2.0 TDI Quattro 177 hp
• 2.0 TDI 150 hp
• 2.0 TDI Quattro 150 hp
• 2.0 TDI 140 hp

Useful references

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