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    Derale LS Engine Oil Cooler Block-Off Adapter | GM LS | 35601

    Vendor: Derale
    Part Number: 35601
    $64.35

    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.
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    Product DetailsFAQReviewsRelated Products

    The Derale 35601 is an oil cooler block-off adapter for GM LS engines. It seals off the factory oil cooler location when the factory cooler is removed or is not being used, keeping the oil passage closed so the engine runs cleanly without a cooler at that spot. It is a direct-fit LS block-off.

    Specifications:

    • Type: Oil cooler block-off adapter
    • Fitment: GM LS engines
    • Function: Seals the factory oil cooler location
    • Part number: 35601

    FAQ

    What does the Derale 35601 do?

    It blocks off the factory oil cooler location on GM LS engines when the cooler is removed or unused.

    What engines does it fit?

    GM LS engines.

    Why use a block-off adapter?

    It seals the oil passage so the engine runs without an external cooler at the factory location.

    Is it a direct fit?

    Yes, it is a direct-fit LS block-off adapter.

    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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