• RUS640520.jpg
  • 640520_v1.jpg
  • 640520_v2.jpg
  • Prop65WarningGraphic.jpg
    • RUS640520.jpg
    • 640520_v1.jpg
    • 640520_v2.jpg
    • Prop65WarningGraphic.jpg

    Russell -6 AN to 1/4 in. NPSM Transmission Adapter Fitting | TH350/TH400/700R4, 2-Pack | 640520

    Vendor: Russell
    Part Number: 640520
    $29.95

    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.
    Payment & Security

    Secure, encrypted checkout. Card details go straight to the payment processor and are never stored by us.

    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    Share to:
    View Full Details
    Product DetailsFAQReviewsRelated Products

    Russell adapter fittings connect AN hose ends and hard lines to almost any system. This fitting adapts a -6 AN line to a 1/4 in. NPSM transmission cooler port and fits TH350, TH400, 700R4, and other transmissions. It is supplied as a 2-pack.

    • Type: Transmission adapter fitting
    • AN size: -6 AN
    • Thread: 1/4 in. NPSM
    • Application: TH350, TH400, 700R4 and others
    • Quantity: 2-pack
    • Part number: 640520

    FAQ

    What does the Russell 640520 adapter fitting do?

    It adapts a -6 AN line to a 1/4 in. NPSM transmission cooler port for TH350, TH400, and 700R4 to connect AN hose ends and hard lines within a plumbing system.

    Is it reusable?

    Yes. Russell adapter fittings are machined pieces that can be reused across builds.

    What is the part number?

    The catalog part number is 640520.

    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.

    Related Products

    Recently Viewed