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    • Allstar Performance Oxygen Sensor Plug — 18mm x 1.50 Hex Head | ALL34150
    • Allstar Performance Oxygen Sensor Plug — 18mm x 1.50 Hex Head | ALL34150
    • Allstar Performance Oxygen Sensor Plug — 18mm x 1.50 Hex Head | ALL34150
    • ALL34150.jpg

    Allstar Performance Oxygen Sensor Plug — 18mm x 1.50 Hex Head | ALL34150

    Part Number: ALL34150
    Regular Price $8.79

    In Stock

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    This Allstar Performance oxygen sensor plug has an 18mm x 1.50 male thread with a hex head for installation, made from zinc oxide-coated steel. It is used to block off an unused O2 sensor bung.

    Spec Sheet: Allstar Spec Sheet

    Compatibility

    Universal 18mm O2 sensor bung plug, fits any 18mm x 1.50 threaded oxygen sensor bung.

    FAQ

    What thread size is the ALL34150 O2 sensor plug?

    The ALL34150 has an 18mm x 1.50 male thread.

    What is the ALL34150 used for?

    The ALL34150 is used to plug an unused oxygen sensor bung on an exhaust pipe or header.

    What material is the ALL34150 made from?

    The ALL34150 is made from steel with a zinc oxide finish.

    How is the ALL34150 installed?

    The ALL34150 has a hex head, allowing it to be threaded into the O2 sensor bung with a wrench.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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