Fuel injector VOLKSWAGEN Touareg 2 (7P5 / 7P6) 4.2 v8 TDI 340 hp

The 4.2 V8 TDI 340 HP engine, found in Audi models from the mid-2000s to early 2010s, is renowned for its robustness and performance. However, its fuel injectors—responsible for atomizing diesel under extreme pressure—are subject to wear from carbon buildup, internal leaks, or electrical failures. This category addresses the growing demand for high-quality, remanufactured injectors that restore original engine behavior without the expense of OEM replacements. Whether you’re a professional mechanic or a DIY enthusiast, finding the right injector means matching the exact motorization, power output, and vehicle model year to avoid costly mismatches.

Our range is curated from leading manufacturers, with each injector undergoing a rigorous remanufacturing process that includes ultrasonic cleaning, component replacement, and precision calibration. The wholesale approach ensures that garages and repair shops have access to bulk quantities at competitive rates, while the direct-to-consumer option caters to individual owners seeking reliable, cost-effective solutions. The focus remains on compatibility and longevity, with every part tested for performance before leaving our facility.

Professional uses by trade

Different professionals approach injector replacement with distinct priorities. Garages prioritize speed and reliability to minimize vehicle downtime, while DIY enthusiasts seek detailed compatibility guidance and straightforward installation. German buyers, familiar with the 4.2 V8 TDI’s reputation, often demand parts that meet or exceed OEM standards without the markup of dealerships.

• Garage mechanic: Replace worn injectors in under two hours using OEM-matched remanufactured units to restore full engine power and efficiency.
• Independent workshop: Source bulk injectors for multiple Audi models to reduce inventory costs and streamline repair workflows.
• DIY owner: Diagnose misfires by swapping suspect injectors with remanufactured units, avoiding costly dealership visits.
• German buyer: Purchase injectors that meet strict European emission standards, ensuring compliance and long-term reliability.
• Passionate tuner: Upgrade injector performance for higher fuel delivery precision, enhancing throttle response in modified engines.
• Fleet manager: Maintain consistent injector quality across a vehicle lineup to prevent unexpected breakdowns and reduce maintenance costs.
• Classic car restorer: Source period-correct injectors that restore original engine behavior in restored Audi models from the 2000s era.

Range comparison

Below, you’ll find a selection of remanufactured injectors specifically designed for the 4.2 V8 TDI 340 HP engine. Each option is listed with its exact reference, ensuring seamless compatibility with your vehicle’s motorization and power output.

How to choose

Selecting the right injector involves more than matching the reference number. Consider the condition of the core part, the remanufacturing process used, and the supplier’s reputation for consistency. Bulk buyers should also evaluate packaging, storage conditions, and return policies for defective units.

1. Condition of the core: Opt for injectors with minimal wear on the nozzle and electrical connectors to ensure longevity after installation.
2. Remanufacturing process: Prioritize suppliers who use ultrasonic cleaning and replace internal components like needles and solenoids for optimal performance.
3. Packaging integrity: Choose injectors sealed in anti-static bags and sturdy cartons to prevent damage during transit and storage.
4. Supplier consistency: Work with wholesalers who maintain a steady supply chain to avoid delays in critical repairs.
5. Return policy: Ensure the supplier offers a hassle-free core return process for defective units, reducing financial risk.
6. Compatibility verification: Double-check the injector’s motorization code and power output against your vehicle’s specifications before purchase.
7. Bulk pricing tiers: Negotiate discounts for large orders to reduce per-unit costs while maintaining quality standards.

Storage & logistics

Proper storage of remanufactured injectors is essential to preserve their functionality until installation. Keep units in a climate-controlled environment, away from direct sunlight and moisture, to prevent corrosion or seal degradation. For bulk buyers, organize inventory by reference number and motorization code to streamline picking and reduce errors. Always handle injectors with care, avoiding drops or impacts that could misalign internal components. Regularly inspect stored units for signs of damage or contamination, and rotate stock to ensure older batches are used first. Suppliers should provide clear storage guidelines to maintain part integrity throughout the supply chain.

With over 15 years in diesel injection systems, our team has seen how a single faulty injector can disrupt an entire engine’s performance. We don’t just sell parts—we provide solutions that restore confidence in every repair, whether it’s for a daily driver or a high-performance Audi.— autoKUR team

Related categories

Browse our other ranges:

• 3.0 v6 TDI 262 hp
• 3.0 TDI 245 hp
• 3.0 v6 TDI 245 hp
• 3.0 TDI 204 hp
• 3.0 v6 TDI 204 hp

Useful references

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