Transmission Parts

Browse all Sonnax transmission parts here, or use the filters below to find just what you are looking for.

Find a Distributor

View Sonnax Part Instructions

Enter a Sonnax part number below to view its instructions. For general reaming instructions, click here.

722.6 Pump Bushing 68004-02

722.6

Pump Bushing 68004-02

Finish-in-Place. Oversized O.D. Also fits 722.3 and 722.5 units.

  • Material: Bimetal
  • Bushing Style: Finish-in-Place
  • Width: 0.550"
  • Shaft Dia.: 1.678"
  • Housing Bore: 2.000"
    Helps cure:
  • Bushing spins in housing
  • Pump leaks
  • Pump damaged
4R100, E4OD Oversized Rear Case Bushing 36008C

4R100 • E4OD

Oversized Rear Case Bushing 36008C

Fits '95-later units only. Late-style with 3 grooves to front.

  • Bushing Style: Precision
  • Material: Steel-backed bimetal
  • Width: 1.620"
  • Shaft Dia.: 1.470"
  • Housing Bore: 1.624"
    Helps cure:
  • Damaged case
  • Spun-out bushings
Honda, Acura 4-Speed, 2-Shaft Thrust Washer 88406-SP

Honda, Acura 4-Speed, 2-Shaft

Thrust Washer 88406-SP

Mainshaft 2nd Gear assembly

  • Material: Bronze
  • Outer Dia.: 2.027"
  • Inner Dia.: 1.427"
  • Thickness: 0.083"
    Helps cure:
  • 2nd Gear damage
  • Frequent roller bearing replacement
4T60-E, 4T65-E 3-2 Manual Downshift Valve 84754-37K

4T60-E • 4T65-E

3-2 Manual Downshift Valve 84754-37K

Fits ’94-later 4T60-E. Does not fit 4T65-E Geartronic® or Tapshift® units.

    Helps cure:
  • Erratic shifts
  • 2-3 Shuttle
  • No 3rd
  • No 4th
  • 2nd Gear starts
  • Temperature-sensitive shifts
HD 4000 Series Pump Bushing S29527102

HD 4000 Series

Pump Bushing S29527102

Early-style

  • Material: Bimetal
  • Bushing Style: Precision
  • Housing Bore: 2.944"
  • Shaft Dia.: 2.625"
  • Width: 0.700"
↑