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    Oxygen Sensor

    Product number: ES21101-12B1
    ART: ES21101-12B1 / EAN: 5012759575765

    DELPHI
    Advised products
    Price incl. vat.
    € 77,43
    Add to cart
    Leverdatum: 09-05-2026

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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    AUDI AUDI
    SEAT SEAT
    SKODA SKODA
    VW VW
    Manufacturer Productnumber
    SEAT 03L906262R
    VW 03L906262R
    SKODA 03L906262R
    AUDI 03L906262R
    Usage numbers
    ES21101-12B1
    5
    01276E+12

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    Oxygen Sensor

    The Oxygen Sensor (ES21101-12B1) measures exhaust oxygen levels for precise fuel mixture control. Porza ensures fast response, accuracy, and long-term durability.  

    FAQ

    Use our vehicle compatibility checker or enter your car’s make, model, and year to confirm fitment. If you’re unsure, contact our support team for assistance. Or, for extra peace of mind, purchase our 100% Fitment Guarantee service at checkout.

    While some parts are DIY-friendly, others may require professional installation. Check the product manual or consult a mechanic if unsure.

    Most installations only require basic tools, but some may need specialty tools. Check the product details or installation guide for recommendations.

    We offer both OEM and high-quality aftermarket parts. Each product listing specifies whether it's OEM or aftermarket.

    The materials vary by product but are always designed for durability and performance. Check the product details for specific material information.

    Most orders are processed within 24 hours and delivered within 2-5 business days. Expedited shipping options are also available at checkout.

    We accept returns within 30 days of delivery, provided the item is unused and in its original packaging. Visit our Returns page for more details.

    Yes! Most of our parts include a manufacturer warranty. Check the product details for specific coverage information.

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