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  • Intermediate roller clutch failure
  • Mechanical diode failure
  • Retaining ring pops out of groove


Intermediate roller clutch or mechanical diode snap ring failure during high-rpm operation.


Shore up intermediate roller clutch or mechanical diode operation and prevent high-rpm blowout by installing Sonnax spiral retaining ring kit.

4R70E, 4R70W, 4R75E, 4R75W, AOD, AODE

Spiral Retaining Ring Kit
Part No. 76554RK

Works in roller clutch or mechanical diode applications.

View Instructions

Vehicles equipped with 4R70W/4R75W and AOD/AODE transmissions often experience failure of the intermediate roller clutch or mechanical diode during high-rpm conditions. Sonnax spiral retaining ring kit 76554RK incorporates a spiral snap ring that is staked to a locking ring to ensure ring contact with groove during high-rpm conditions, eliminating blowout.

  • Wrap-around design maintains contact with groove bottom
  • Locking ring prevents spiral retaining ring expansion during high RPM
  • Locking Rings (3)
  • Spiral Retaining Rings (3)
  • 76554rk combo
  • 76554rk