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Fuel injector SEAT Leon 3 (5F1) 1.6 TDI 115 hp

1.6 TDI 115 hp

4 exchange-standard reference(s) match the SEAT Leon 3 (5F1) 1.6 TDI 115 hp (85 kW diesel). Output is the deciding criterion: a part meant for another output of the same displacement will not fit.

Engine specification: 1598 cm³, diesel, built from 11/2016 to 08/2020. 4 matching part numbers: 0445110473 (Bosch), 0445110477 (Bosch), 28506046 (SIEMENS-VDO), 28577054 (DELPHI). 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

The Volkswagen 1.6 TDI 115 hp injector category addresses a critical need for reliable fuel system components in this widely used diesel engine. Designed for both professional mechanics and DIY enthusiasts, this range includes remanufactured injectors that restore engine efficiency while avoiding the high cost of new OEM replacements. Whether you're troubleshooting a misfire, excessive smoke, or power loss, these injectors provide a proven solution backed by technical precision.

This injector range is built on partnerships with leading suppliers like Bosch and Delphi, ensuring each unit meets strict remanufacturing standards. The wholesale model allows garages to maintain stock levels efficiently, while the exchange standard system simplifies returns of used cores, reducing waste and operational costs for businesses.

Professional uses by trade

Different users approach the 1.6 TDI 115 hp injector category with distinct priorities: garages prioritize bulk availability and fast turnaround, DIYers seek cost savings and ease of installation, and German buyers value precision engineering and long-term reliability.

  • Le garagiste independant : Replace faulty injectors in bulk to minimize vehicle downtime and maximize workshop efficiency during scheduled maintenance.
  • Le garagiste independant : Use exchange standard injectors to reduce inventory costs while offering customers a budget-friendly alternative to new OEM parts.
  • L'automobiliste depanne : Diagnose and replace a failing injector yourself to avoid costly garage fees and restore smooth engine operation quickly.
  • L'automobiliste depanne : Purchase a remanufactured injector as a temporary fix to keep a high-mileage vehicle running until a permanent solution is feasible.
  • Le passionne qui fait lui-meme : Source Bosch or Delphi remanufactured injectors for a project car, ensuring performance matches original specifications without overspending.
  • Der deutsche Kaeufer (DACH) : Order injectors with precise German engineering standards to maintain the reliability expected in Volkswagen diesel engines.
  • Der deutsche Kaeufer (DACH) : Opt for exchange standard injectors to align with local environmental regulations and reduce waste through core recycling programs.

Range comparison

The following table compares remanufactured injectors for the 1.6 TDI 115 hp by compatibility, brand, and practical application for professionals and enthusiasts alike.

RangeUseFormat
Injector DELPHI 28506046Direct replacement for common failure cases
Injector DELPHI 28577054High-flow variant for tuned applications
Injector Bosch 0445110473OEM-equivalent remanufactured injector
Injector Bosch 0445110477Extended-life variant for heavy-duty use

How to choose

Selecting the right injector for the 1.6 TDI 115 hp requires evaluating compatibility, remanufacturing quality, and intended use to ensure long-term reliability and performance.

  1. Prioritize injectors with a proven track record in similar Volkswagen diesel applications to avoid compatibility issues or premature failure.
  2. Check the remanufacturing process details to confirm the use of genuine Bosch or Delphi components rather than generic replacements.
  3. Assess the packaging format—bulk packs for garages or single units for DIYers—to align with your operational or project needs.
  4. Verify the injector’s condition code or remanufacturing date to ensure it meets your workshop’s quality standards for customer vehicles.
  5. Consider the core deposit policy for exchange standard injectors, as this can impact your upfront costs and return logistics.
  6. Evaluate the injector’s resistance to carbon buildup, especially for vehicles operating in urban or stop-and-go conditions.
  7. For performance applications, select high-flow variants only after confirming they are compatible with the engine’s ECU and fuel system modifications.

Storage & logistics

Proper storage of remanufactured injectors for the 1.6 TDI 115 hp is essential to maintain their condition before installation. Keep units in a dry, temperature-controlled environment away from direct sunlight and contaminants. For bulk stock, use sealed containers with desiccant packs to prevent moisture damage. Garages should rotate inventory based on first-in, first-out principles to ensure injectors are used within their recommended shelf life. Avoid storing injectors near batteries or other sources of electrical interference, as this can affect internal components. Always inspect packaging for damage before accepting delivery to prevent premature wear.

With over a decade of sourcing high-quality remanufactured injectors for Volkswagen’s 1.6 TDI engines, our team has seen firsthand how the right component can restore a vehicle’s performance while keeping costs predictable for both garages and customers.— autoKUR team

Related categories

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Useful references

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