Billet Accumulator Piston Kit
Fits all 604, 606, 40, 41TE, 42LE, 62TE, 42RLE, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE Transmission Removal Not Required

  1. Distributor Part Numbers
    A & Reds NA
    Capital Core NA
    MST NA
    Natpro NA
    OTS NA
    PDQ NA
    PNH NA
    PTW NA
    Summit NA
    Transtar NA
    WIT NA
  2. Videos
  3. General Details

    Easy-to-install drop-in billet dual-sealing accumulator pistons.
    No time consuming special installation process or tooling required.


    • Two sealing rings double the sealing capacity over OE
    • Our new additional center ring seals in a previously unused area of the bore allowing reuse of the valve body or case even when damaged by side-loading of the OE design accumulator piston
    • The third ring, combined with a shallower groove in the piston, acts as a guide preventing damage from side loading the OE piston
    • Billet aluminum to avoid cracking


    • Five billet accumulator pistons
    • 15 scarf-cut PTFE rings