• AMP Research Replacement PowerStep Step Assembly, 79in 2-Rib Board | 20-03752-79
    • AMP Research Replacement PowerStep Step Assembly, 79in 2-Rib Board | 20-03752-79
    • AMP Research Replacement PowerStep Step Assembly, 79in 2-Rib Board | 20-03752-79
    • AMP Research Replacement PowerStep Step Assembly, 79in 2-Rib Board | 20-03752-79

    AMP Research Replacement PowerStep Step Assembly, 79in 2-Rib Board | 20-03752-79

    Vendor: AMP Research
    Part Number: 20-03752-79
    $169.99

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    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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    Product DetailsFAQReviewsRelated Products

    Direct-replacement step board assembly for AMP Research PowerStep running boards. Sold individually (one side); two are needed to cover both sides of the truck. The board mounts to the existing PowerStep linkage assembly with no bracket or motor modification required.

    Specifications:

    • 79in 2-Rib replacement step board with a pair of end caps (mounting hardware not included)
    • High-strength die-cast aluminum alloy components with an anodized, PTFE-coated military-spec finish to resist corrosion
    • Maintenance-free, self-lubricating bushings for all-weather performance
    • Precision stainless steel pivot pins for rock-solid stability
    • Low-profile integrated LED light system standard
    • 5-year/60,000-mile warranty
    • Used on select PowerStep installs including Cadillac Escalade and related GM full-size trucks/SUVs
    • Part Number: 20-03752-79

    FAQ

    What does the 20-03752-79 step assembly include?

    A single 79in 2-Rib replacement step board with a pair of end caps; mounting hardware is not included.

    Do I need two of these?

    Yes. This assembly covers one side of the vehicle only, so two are required for both running boards.

    Does this require modifying the PowerStep motor or brackets?

    No. The board mounts directly to the existing PowerStep linkage assembly.

    What is the warranty on this part?

    AMP Research PowerStep components carry a 5-year/60,000-mile warranty.

    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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