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    • Fuel Pump Check Valve Kit Fits 12-150 HP Electric Fuel Pump Holley
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    Holley Fuel Pump Check Valve Kit, for 12-150 HP Electric Fuel Pump | 12-820

    Vendor: Holley
    Part Number: 12-820
    Save $6.24
    Sale Price $49.95 Regular Price $56.19

    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 check valve kit services Holley's 12-150 HP electric fuel pump, restoring steady pressure and quiet operation when dirt has fouled the relief valve. It's the fix if you skipped a fuel filter between the tank and pump and the pump has started running noisy or losing pressure.

    Specifications:

    • Component Type: Gasket/Check Valve Kit
    • Inlet Fitting Thread Size: 3/8 NPT
    • Outlet Fitting Thread Size: 3/8 NPT
    • Part Type: Fuel Pump Check Valve
    • Warranty: Manufacturer's Limited 90 Day Warranty
    • Part Number: 12-820

    Includes lower gasket, check valve, spring, and inlet screen filter. A companion gerotor kit (P/N 12-821) is also available to fully service the 12-150 HP pump.

    FAQ

    What pump does this check valve kit service?

    Holley's 12-150 HP electric fuel pump.

    What's included in the kit?

    A lower gasket, check valve, spring, and inlet screen filter.

    Why would I need this kit?

    If a fuel filter wasn't installed between the tank and pump, dirt can foul the relief valve, causing pressure loss or pump noise — this kit restores proper sealing.

    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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