• Broken parts due to excessive line pressure
  • Delayed engagement
  • Excess heat
  • Firm shifts
  • Flare shifts & bind-ups
  • Harsh engagement


Loss of oil pressure due to worn components in critical oil circuits.


Zip Kit seals critical pressure losses and restores and extends accumulator action.

ZF6HP19, ZF6HP26, ZF6HP32

Zip Kit®
Part No. ZF6-053-ZIP

Only for use in applications with a 053 separator plate.

View Instructions Find a Distributor

Sonnax Zip Kit ZF6-053-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the ZF6HP19/26/32 (Generation 1) valve bodies with a 053 separator plate. The kit contains uniquely designed parts to prevent the loss of pressures within the main line, solenoid regulator, reverse, clutch control and solenoid apply circuits with no special tools required.

The Zip Kit quick guide provides clear and easy instructions on one sheet to get the unit sealed up and back on the road fast. In addition to general rebuilding tips and technical information, the technical booklet included in this kit contains vacuum testing and additional repair options for higher mileage units or for repairing specific complaints which are beyond the scope of this kit.

  • No reaming required
  • Installs quickly with no special tools required
  • Uniquely designed parts address root causes of valve body complaints by sealing critical pressure circuits

This Zip Kit ZF6-053-ZIP is designed for Generation 1 applications with a 053 separator plate only. Separate Zip Kits, ZF6-6R60-ZIP (for ZF6HP19/26/32 Generation 1 and Ford 6R60, 6R75, 6R80) and ZF6-GEN2-ZIP (for ZF6HP21/28/34 Generation 2) are available for other applications. To verify valve bodies, see this identification guide for further details.

  • Pressure Regulator Sleeve
  • Clutch A Control Boost Valve Kit
  • Accumulator Piston Kit (6)
  • Testing End Plug
  • Solenoid O-Rings 16 pieces, 4 sizes
  • O-Ringed End Plug Kit 11 Plugs, 17 O-Rings
  • O-Ringed Internal End Plug Kit 7 Plugs, 20 O-Rings

Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. See all Sonnax valve body layouts.

ZF6HP19/26/32 (Gen. 1) with 053 Separator Plate Valve Body Layout

ZF6HP19/26/32 (Gen. 1) with 053 Separator Plate Valve Body Layout

  • ZF6HP19, ZF6HP26, ZF6HP32 Zip Kit® ZF6-053-ZIP

The Sonnax ZIP KIT®

The First Step in Correcting Common Shift Problems

It's easy to restore and extend vehicle shift quality with Zip Kits. Uniquely designed Sonnax parts target the root cause of valve body complaints and stop critical circuit pressure losses in the most common problem areas of the transmission.

Learn More About Sonnax Zip Kits