This detailed product description refers to the Valeo IST80S059 type alternator, which is part of Stremtec's wide selection and positions itself specifically as a specialist for vehicle starting, charging, and cooling systems. This part is an excellent quality replacement that complies with strict OEM (manufacturer) requirements.
The IST80S059 is a modern alternator developed primarily for Volkswagen AG vehicles. Valeo, as a leading automotive supplier, guarantees the product's reliability and long service life. This component is crucial for the stable operation of the vehicle's electrical system, ensuring adequate battery charge and power supply for all on-board electronic systems.
This alternator belongs to the category „Alternators / Starter Motors” and is a product of the Valeo brand. The product identifier and associated factory codes ensure precise identification and compatibility.
The table below summarizes the critical technical parameters of the IST80S059 alternator, which are essential for professional installation and performance optimization.
| Parameter | Value | Note |
|---|---|---|
| Manufacturer | the wiper blade is removed and connected to the wiper blade holder. Various adapters are used to make a precise connection between the wiper blade mount and the angle measuring device. Adapters are available for all wiper arm types. (Bosch | Original or equivalent quality |
| Manufacturer Part Number (Valeo) | IST80S059 | Main product identifier |
| OEM Part Number (VW AG) | 04L903018A | Volkswagen Group factory part number |
| Factory Code (VW AG) | 4L903018A | Additional Volkswagen identifier |
| Factory Code (PSH) | 443543 | Manufacturer code (likely an internal or supplier code) |
| Category | Alternators / Starter Motors, Alternators | Product group classification |
| Brand | the wiper blade is removed and connected to the wiper blade holder. Various adapters are used to make a precise connection between the wiper blade mount and the angle measuring device. Adapters are available for all wiper arm types. (Bosch | Manufacturer of the product |
The Valeo IST80S059 alternator has several features that distinguish it in the market:
This alternator ensures the necessary current to meet the energy demands of modern vehicles. Today's vehicles feature an increasing number of electronic consumers (e.g., infotainment systems, driver assistance systems, Start-Stop technology), which require stable and sufficient charging. The IST80S059 fulfills this requirement.
The part number 04L903018A clearly indicates integration for Volkswagen Group (VW, Audi, SEAT, Škoda) vehicles. This ensures factory fitment and perfect communication with the system, especially in the case of intelligent on-board charging control systems.
As a global Tier 1 supplier, Valeo guarantees that the IST80S059 meets the highest industry standards. This includes durability, heat resistance, and resistance to vibration, which are essential under the harsh conditions found under the bonnet.
Although the text does not explicitly mention it, modern generators, especially those intended for Volkswagen systems, are often optimized for Start-Stop functions. This means they are capable of efficiently charging the battery even at low engine speeds, thereby minimizing fuel consumption and emissions.
This component is an ideal choice for professional workshops seeking a reliable replacement part that meets OEM specifications. Its inclusion in the Stremtec offering also indicates that the product fits into the ecosystem supported by diagnostic and repair tools (e.g., Rotrix testers, EV/PHEV diagnostic equipment).
The IST80S059 generator is relevant not only for vehicles equipped with traditional internal combustion engines but also in areas where Stremtec's expertise extends:
Traditional Vehicle Repair: Standard alternator replacement and maintenance.
Start-Stop Systems: For vehicles equipped with this feature, proper generator operation is critical.
Workshop Equipment: The product relates to the wider range of products offered to workshops, such as Rotrix testers and diagnostic tools.
Related Products (Similar or Supplementary Components):
Stremtec's offering includes the IST80S058 Valeo New is, which might be a similar but differently specified generator, also in the generators/starters category. This parallel offering allows workshops to tailor their procurement to precise vehicle specifications.
Stremtec's positioning as specialists in „Starting, Charging, and Cooling” emphasizes that the IST80S059 is not just a component, but part of a solution supported by deep technical knowledge. This background ensures the product can be properly integrated into systems requiring the latest technologies, including information related to EV/PHEV components and the LIN protocol.
This product is an ideal choice for professionals seeking a premium quality, reliable generator for the electrical systems of Volkswagen Group vehicles.
