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    Union Bolt

    Product number: 03.3516-0602.1
    ART: 03.3516-0602.1 / EAN: 4006633312493

    ATE
    Advised products
    Price incl. vat.
    € 3,24
    Add to cart
    Leverdatum: 01-05-2026

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    DPD Nederland

    Expresslevering
    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    Manufacturer Productnumber
    MERCEDES-BENZ 000 428 03 72 , 0004280372
    MERCEDES-BENZ A 000 428 03 72 , A0004280372
    PORSCHE 356 42 122 , 35642122
    PORSCHE 356 42 214 , 35642214
    STEYR 300 12 541 , 30012541
    STEYR 710 1 36 453 1 , 7101364531
    VAG 113 611 731 , 113611731
    VAG 1J0 611 731 , 1J0611731
    VAG 811 611 731 , 811611731
    VAG WHT 000 078 , WHT000078
    Usage numbers
    390412

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    Union Bolt

    The Union Bolt (03.3516-0602.1) secure critical vehicle components under precise clamping force. Replacing them with Porza-quality screws restores fastening strength and mechanical reliability.  

    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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    Venlo
    The Netherlands

    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
    The Netherlands

    info@porza.nl
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