Pressure Regulator Valve and Bore Repair
With Tools
Enough parts to fix 3 valve bodies
Fits all 4T40E, 4T45E 1995-on

  1. Distributor Part Numbers
    TransGo 4T40E-PRT
    A & Reds AAR-4T40E-PRT
    Capital Core NA
    MST 4T40E-PRT
    Natpro K42989
    OTS K33918-PRT
    PDQ TG-4T40E-PRT
    PNH TG14507K
    PTW K42989
    Summit NA
    Transtar A14507K
    WIT T14165A-3
  2. Documents
  3. Related Products
  4. General Details

    Almost everything bad that happens to this transmission is caused by excessive wear in PR Valve Bore.

    Fix it while you have it so you won’t get to do it again free!

    • Pressure regulator valves and springs
    • Pump slide springs
    • Reamer and guide

    If you already have the reamer and guide, order the refill kit #4T40E-PR5  This refill kit comes with enough parts to fix five transmissions.