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    • TCI Max-Shift Break-In Transmission Fluid | 3 x 1 Gallon Case | 15900TCI
    • TCI Max-Shift Break-In Transmission Fluid | 3 x 1 Gallon Case | 15900TCI
    • TCI15900TCI.jpg

    TCI Max-Shift Break-In Transmission Fluid | 3 x 1 Gallon Case | 15900TCI

    Vendor: TCI Automotive
    Part Number: 15900TCI
    Regular Price $84.95

    Currently out of 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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    TCI Max-Shift Break-In transmission fluid provides critical protection during the first 30 minutes of run time after an automatic transmission rebuild. It guards against heat build-up and wear during the break-in period and initial drain, and it is developed from ultra-pure base oils that resist viscosity breakdown. This package includes three one-gallon bottles.

    • TCI Max-Shift break-in automatic transmission fluid
    • Package: three 1-gallon bottles
    • Protects during the critical first 30 minutes of run time after a rebuild
    • Guards against heat build-up and wear during break-in and initial drain
    • Developed from ultra-pure base oils that resist viscosity breakdown
    • Single gallon available as 15901
    • Part number: 15900TCI

    FAQ

    How is the TCI 15900TCI break-in fluid packaged?

    It is sold as three one-gallon bottles. A single gallon is available as 15901.

    What is break-in transmission fluid used for?

    It provides protection during the first 30 minutes of run time after a rebuild, guarding against heat build-up and wear during break-in and the initial drain.

    What is this fluid made from?

    It is developed from ultra-pure base oils that resist viscosity breakdown.

    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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