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Prins Otogaz

Turkish brand of LPG/autogas conversion systems offering sequential injection kits such as EcoMax, Technomax and VSI-2.

Last updated September 27, 2026

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Overview

Prins Otogaz is a Turkish brand specialising in autogas (LPG) conversion systems for vehicles. Operating through its official website prins.com.tr, the brand markets a range of sequential gas injection kits designed to let petrol-engined cars run on LPG, a lower-cost alternative fuel. Its product line includes EcoMax, Technomax, VSI2-LPG, VSI-2 DI, VSI-3 DI, Silverline, ValveCare and Technomax DI systems, covering different engine types and performance levels. The brand positions itself around "high quality alternative fuel systems," a description also used in its Wikidata entry. Its kits are described as carrying R67-01 certification, a European regulation for LPG vehicle components, and as offering compact design and easy installation. The VSI2-LPG system is highlighted as having been developed in cooperation with Japanese injector manufacturer Keihin Corporation, a detail the brand uses to underline its technical credentials. Prins Otogaz serves the Turkish market, where LPG conversion is popular due to fuel cost savings. The website includes tools such as a dealer locator ("En Yakın Prins Bayimiz"), a product selector ("Bana En Uygun Prins'i Bul") and a savings calculator ("Tasarrufumu Hesapla"), reflecting a consumer-focused retail approach. The brand also publishes videos explaining its conversion kits. Ownership, founding date and corporate structure are not specified in the available evidence. The brand should not be confused with other companies using the Prins name, such as the Dutch Prins Autogassystemen, though a relationship is possible and would require further sourcing.

History

Prins Otogaz is a Turkish brand active in the autogas (LPG) conversion market. Its official website, prins.com.tr, presents a range of sequential gas injection systems for petrol vehicles. The brand's history is not documented in the available evidence; no founding date, founder or corporate parent is provided. The name "Prins" is shared with other entities in the LPG sector, notably Prins Autogassystemen of the Netherlands, but the Turkish operation is presented as a distinct local brand. The product portfolio has evolved to include electronically controlled sequential injection kits such as VSI2-LPG, developed with Keihin Corporation, and later DI (direct injection) variants VSI-2 DI and VSI-3 DI, indicating adaptation to newer engine technologies. The brand also offers valve protection products like ValveCare and entry-level kits like EcoMax and Silverline. Its market focus is Turkey, where LPG conversion is a widespread practice for reducing fuel costs.

Products and positioning

High quality alternative fuel systems; cost-saving LPG conversion with certified components and easy installation.

  • EcoMax

    Sequential autogas conversion system for 4-cylinder multi-point injection vehicles; R67-01 certified, compact design, low cost and high performance.

  • Technomax

    High-tech sequential autogas conversion system with OBD connection for new-generation 4-cylinder multi-point injection vehicles; R67-01 certified.

  • VSI2-LPG System

    Vapour Sequential Injection system developed in cooperation with Keihin Corporation; advanced software strategy for high performance.

  • VSI-2 DI LPG System

    Direct injection LPG system variant.

  • VSI-3 DI LPG System

    Direct injection LPG system variant.

  • Silverline

    LPG conversion product line.

  • ValveCare

    Valve protection product for LPG-converted engines.

  • Technomax DI LPG System

    Direct injection variant of the Technomax system.

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