• Description:
  • 100% New and High Quality
  • Direct Replacement
  • 1 Year Warranty
  • For Ford 9" Trac Lock Posi 31 Splines All Ratios 4-Pinion Design Hi-Energy Friction Plates Location: Rear
  • Gear Ratio: All Ratios
  • Profession install is highly recommend
  •  Fitment:
  • For Ford 9" Trac Lock Posi 31 Splines All Ratios
  •  
  • OE Number:  D4TZ4026A, 542036, 913A586
  •  Package Include:
  • 1× 9" Inch Ford 31 Spline Posi Unit Trac Lok Loc Traction Lock
  • W/O Product Instruction
  •  Notes:
  • 1.Due to manual measurement, please allow an error of 1-3mm.
  • Mmmoreparts

    Item Specifics
    Brand auto-summer
    Type Traction Unit
    Material Metal
    Placement on Vehicle Rear
    Manufacturer Part Number AS533444MM
    Fitment Type Direct Replacement
    Gear Ratio All Ratios
    Color Silver
    Superseded Part Number F9-31-TLNF
    Manufacturer Warranty 1 Year
    Interchange Part Number D4TZ4026A/542036/913A586

    Payment

    We accept Paypal,Google Pay,VISA,Master Card,American Express,Discover,eBay Mastercard payment .

    We process your order within 3 business day upon payment

    Shipping
    We process and dispatch your purchase within 3 business day after payment clearance.
    Please contact us if you have special requirements (combination of packaging etc.). 
    We offer free USPS or FEDEX Package as default.
    If you choose express post, we charge a flat rate and we Express Post, which can be delivered in 1-3 business days, depending on your location. If you require another company, please contact us.
    Returns

    Please contact us first when return, exchange and refund is required.

    Any direct return of purchased items will not be processed.

    Buyer is responsible for the return cost.

    Change-of-mind return can only be accepted within 7 days after purchase.

    All other returns can be accepted in 30 days.

    Contact Us
    Before leaving us neutral or negative feedback, please contact us first.
    We will do everything we can to give you a satisfying solution.
    Please don't open case via eBay or PayPal.
    Please don't open any return request before contact us.
    We do our best to resolve any issue. Leaving negative feedback and low ratings doesn't get things solved.
    So please talk with us and we will not let you down.

    Mmmoreparts

    Help & Info
    Payment Policy
    Shipping Policy
    Return Policy
    FAQ
    About Us
    For Ford 9" Inch 31 Spline Posi Unit - All Ratios - No Ring Gear Bolts Included


    We accept Paypal,Google Pay,VISA,Master Card,American Express,Discover,eBay Mastercard payment .

    We process your order within 3 business day upon payment

    We process and dispatch your purchase within 3 business day after payment clearance.
    Please contact us if you have special requirements (combination of packaging etc.). 
    We offer free USPS or FEDEX Package as default.
    If you choose express post, we charge a flat rate and we Express Post, which can be delivered in 1-3 business days, depending on your location. If you require another company, please contact us.

    Please contact us first when return, exchange and refund is required.

    Any direct return of purchased items will not be processed.

    Buyer is responsible for the return cost.

    Change-of-mind return can only be accepted within 7 days after purchase.

    All other returns can be accepted in 30 days.

    Before leaving us neutral or negative feedback, please contact us first.
    We will do everything we can to give you a satisfying solution.
    Please don't open case via eBay or PayPal.
    Please don't open any return request before contact us.
    We do our best to resolve any issue. Leaving negative feedback and low ratings doesn't get things solved.
    So please talk with us and we will not let you down.

    All rights reserved.



    On Jan 26, 2026 at 03:37:35 PST, seller added the following information:

    Datacaciques