Transmission Parts

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

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4T80-E 3-4 Accumulator Piston 72872-01

4T80-E

3-4 Accumulator Piston 72872-01

    Helps cure:
  • Worn accumulator piston pin bore
  • Damage from broken spring
  • 4-3 Kickdown
  • 2-3 Soft
  • 3rd Clutch distress
TF-80SC, TF-81SC B1 Band Control Valve Kit 39741-22K

TF-80SC • TF-81SC

B1 Band Control Valve Kit 39741-22K

Also fits Volvo (AM6); Opel (AF40); Peugeot (TF80); Saab (AF40/6); Land Rover (TF80); Ford (AF21) & Mazda (AW6A-EL).

    Helps cure:
  • 1-2 Flare
  • 2nd Slip
  • 5-6 Flare
  • 6th Slip
  • B1 band burned
  • Gear ratio & solenoid codes
AL-4, DPO E1/E2 Clutch Drum Bushing 120002

AL-4 • DPO

E1/E2 Clutch Drum Bushing 120002

E1/E2 Clutch Drum

  • Bushing Style: Precision
  • Material: Steel-backed aluminum alloy
    Helps cure:
  • Burnt clutches
  • Excess hub-to-bushing clearance
  • 2nd Quality poor
  • 2nd Erratic
4R44E, 4R55E, 5R44E, 5R55E Zip Kit® 4R44E-5R55E-ZIP

4R44E • 4R55E • 5R44E • 5R55E

Zip Kit® 4R44E-5R55E-ZIP

    Helps cure:
  • Gear ratio & solenoid codes
  • Low line rise
  • Soft shifts
  • Erratic shifts
  • No 3rd when hot
  • No 4th when hot
  • 2nd Gear starts
  • Delayed Forward
  • TCC apply concerns
AL-4, DPO Pump Bushing 120001

AL-4 • DPO

Pump Bushing 120001

  • Bushing Style: Precision
  • Material: Steel-backed aluminum alloy
  • Width: 0.533"
  • Shaft Dia.: 2.142"
  • Housing Bore: 2.241"
    Helps cure:
  • Leaking front seal
  • Low pump volume
  • Delayed engagement
  • Converter shudder & TCC slip
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