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    Sale!

    AEM AN6 ORB Fuel Pulse Damper, 40-70 PSI | 25-4002

    Vendor: AEM Electronics
    Part Number: 25-4002
    Save $24.59
    Sale Price $95.36 Regular Price $119.95

    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 AEM fuel pulse damper works in tandem with an AEM fuel pressure regulator to smooth out the pressure pulsations caused by injectors opening and closing as well as fuel pump operation under load.

    Installation Instructions

    Specifications:

    • Rated for 40-70 psi operating range
    • AN6 ORB port sizing
    • Engineered to stabilize pressure pulsations, ideal for applications with large fuel injectors and high-volume fuel pumps
    • 1/8" NPT port on damper body for easy installation of a mechanical pressure gauge or pressure transducer
    • Full anodized billet aluminum construction with stainless steel springs and a fluorosilicone diaphragm, compatible with any fuel
    • Fittings included for damper/regulator and direct-mount installation
    • Part Number: 25-4002

    FAQ

    What does a fuel pulse damper do?

    It smooths out pressure pulsations caused by injectors opening and closing and by fuel pump operation under load, working in tandem with a fuel pressure regulator.

    What pressure range is this damper rated for?

    It is rated for a 40-70 psi operating range with AN6 ORB fittings.

    Can I mount a gauge to this damper?

    Yes, it includes a 1/8" NPT port on the damper body for a mechanical pressure gauge or pressure transducer.

    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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