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    Vintage Air 2 Way In Line Bulkhead #6 and #8 O-Ring | Black Anodized Aluminum | 389603

    Vendor: Vintage Air
    Part Number: 389603
    Regular Price $59.99

    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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    The Vintage Air Streamline 2-Way Bulkhead Plate mounts through the firewall for A/C hose lines in a low-profile 2-port pattern. This 389603 version is black anodized aluminum with a #6 AN male O-ring port and a #8 AN male O-ring port, and needs only two individually drilled holes to install.

    Installation Instructions (PDF)

    California Proposition 65 Warning

    Specifications:

    • Type: Streamline 2-way bulkhead plate
    • Ports: #6 AN male O-ring, #8 AN male O-ring
    • Material: Aluminum
    • Finish: Black anodized
    • Application: A/C hose lines
    • Part Number: 389603

    FAQ

    What is the Vintage Air 389603 bulkhead plate used for?

    It mounts through the firewall to pass A/C hose lines from the engine bay to the evaporator, using a 2-port pattern with #6 and #8 AN male O-ring fittings.

    What finish does the 389603 come in?

    This bulkhead plate is finished in black anodized aluminum.

    How many holes does installation require?

    The lower-profile design requires drilling two individual holes through the firewall.

    Does the 389603 include installation instructions?

    Yes, Vintage Air provides a printable installation instruction sheet for this part.

    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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