Exchange units, shipped from France
autoKUR — remanufactured turbochargers, injectors and high-pressure pumps

Fuel injector SEAT Leon 3 (5F1) 1.6 TDI 90 hp

1.6 TDI 90 hp

For the SEAT Leon 3 (5F1) in 1.6 TDI 90 hp (66 kW diesel), the autoKUR catalogue holds 4 exchange-standard reference(s). At equal displacement, two outputs do not call for the same part.

Engine specification: 1598 cm³, diesel, built from 11/2012 to 08/2018. 4 matching part numbers: 0445110473 (Bosch), 0445110477 (Bosch), 28370681 (DELPHI), 28506046 (SIEMENS-VDO). Compare with the code stamped on your part.

Other engines of the SEAT Leon 3 (5F1): 2.0 TDI 184 hp, 2.0 TDI 150 hp, 2.0 TDI 143 hp. If the code stamped on your part is legible, search by reference remains the safest route. 24-month warranty.

Frequently asked questions

About this category

This category serves owners and technicians working on Volkswagen Group 1.6 TDI 90 hp diesel engines, covering models from 2009 to 2015 where fuel injectors play a pivotal role in combustion efficiency and emissions compliance. Here, you’ll find reconditioned injectors designed as direct replacements, ensuring compatibility with your vehicle’s motorization without compromising on quality or performance.

The range is curated by a specialist wholesaler with deep expertise in diesel injection systems, selecting products based on OEM reference alignment and remanufacturing standards. This approach delivers that each injector, whether Bosch or Delphi, adheres to the same tolerances as the original equipment, bridging the gap between cost and reliability for independent garages and private owners alike.

Professional uses by trade

Different users approach this category with distinct priorities: garages prioritize bulk availability and traceability, while DIYers seek clarity on fitment and return policies. The following breakdown highlights how each group leverages these injectors to resolve performance issues efficiently.

  • Le garagiste independant : Uses reconditioned injectors to replace faulty units in customer vehicles, ensuring minimal downtime and maintaining workshop profitability through controlled inventory turnover.
  • L'automobiliste depanne : Relies on these injectors to address sudden power loss or rough idling, often opting for exchange programs to reduce repair costs while restoring engine responsiveness.
  • Le passionne qui fait lui-meme : Selects injectors based on OEM compatibility, prioritizing clear return policies and detailed fitment guides to perform the replacement independently with confidence.
  • Der deutsche Kaeufer (DACH) : Prefers injectors with documented remanufacturing processes, seeking units that meet German market expectations for durability and emissions compliance without premium pricing.
  • Le garagiste independant : Orders injectors in bulk to stock core components for exchange programs, reducing lead times and aligning with workshop workflows that demand predictable supply chains.
  • L'automobiliste depanne : Chooses injectors with visible wear indicators, such as carbon deposits or erratic spray patterns, to justify replacement and avoid recurring issues in high-mileage engines.
  • Der deutsche Kaeufer (DACH) : Verifies injector codes against vehicle registration data, ensuring the selected unit matches the engine’s power output and emission standards before purchase.

Range comparison

Below, you’ll find the exact references available for your 1.6 TDI 90 hp engine, each tested for dimensional accuracy and functional consistency to serve as a drop-in replacement for your vehicle’s injection system.

RangeUseFormat
Injector Bosch 0445110477Direct replacement for high-mileage engines
Injector DELPHI 28506046Balanced flow for consistent combustion
Injector DELPHI 28370681Low-resistance design for older models
Injector Bosch 0445110473High-pressure tolerance for performance tuning

How to choose

Selecting the right injector involves more than matching OEM codes; it requires evaluating remanufacturing quality, return policies, and compatibility with your engine’s operational history.

  1. Prioritize injectors with documented remanufacturing processes, as these units undergo rigorous testing to restore original performance levels without hidden defects.
  2. Check the injector’s condition against visible wear indicators, such as carbon buildup or corrosion, to ensure it addresses the root cause of your engine’s symptoms.
  3. Verify the injector’s OEM reference against your vehicle’s motorization data, confirming alignment with power output and emission standards before purchase.
  4. Assess the return policy and core deposit terms, as these factors impact both cost efficiency and the feasibility of exchanging your old injector.
  5. Evaluate the injector’s packaging and preservation methods, ensuring it arrives in a condition that protects against transit damage and contamination.
  6. Consider the injector’s rotational stock availability, as frequent turnover reduces the risk of obsolescence and ensures timely replacements for your workflow.
  7. Review the injector’s compatibility with your engine’s operational environment, including temperature ranges and fuel quality expectations, to avoid premature failure.

Storage & logistics

For workshops and bulk buyers, storing these injectors requires controlled environments to prevent moisture exposure and temperature fluctuations, which can degrade seals and internal components. Organize inventory by OEM reference and motorization compatibility, using clear labeling to streamline retrieval during busy service periods. Implement a first-in, first-out system to maintain stock freshness, and conduct periodic visual inspections for signs of degradation, such as discoloration or swelling, which may indicate compromised integrity. For private owners, ensure the injector is stored in its original packaging until installation, avoiding contact with metal surfaces or other contaminants that could affect performance.

With over a decade of experience in diesel injection systems, our team has refined the selection process to ensure every injector meets the demands of independent garages and passionate DIYers alike, delivering reliability without compromise.— 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.