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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42RE, 42RH The Sure Cure® Kit SC-42RHE

42RE • 42RH

The Sure Cure® Kit SC-42RHE

    Helps cure:
  • Low cooler flow
  • Lube failures
  • Build up of release pressure during lockup
  • Converter bushing failure
  • Lockup shudder
  • Overheated converter
  • Soft TCC apply
40TE, 40TES, 41AE, 41TE, 41TES Shim 92965-Z5

40TE • 40TES • 41AE • 41TE • 41TES

Shim 92965-Z5

Output & Transfer Shaft , .005" Thick

  • Material: Steel
  • Thickness: 0.005"
  • Inner Dia.: 1.253"
  • Outer Dia.: 1.510"
    Helps cure:
  • Gear train noise
  • Bearing failure
4L80-E, 4L85-E, TH400 Front/Rear Unit Endplay Shim 34500-Z

4L80-E • 4L85-E • TH400

Front/Rear Unit Endplay Shim 34500-Z

Updated 3-tang style shim fits all units, including '97-later 4L80-E and 4L85-E units.

  • Material: Steel
  • Tang Count: 3
  • Inner Dia.: 1.165"
  • Thickness: 0.010"
  • Outer Dia.: 1.940"
    Helps cure:
  • Excess front endplay
  • Excess rear endplay
  • Burnt Forward clutch
  • Premature seal ring failure
Honda, Acura 4-Speed, 2-Shaft Thrust Washer 88406B

Honda, Acura 4-Speed, 2-Shaft

Thrust Washer 88406B

Mainshft 2nd Gear assembly

  • Material: Bronze
  • Outer Dia.: 2.185"
  • Inner Dia.: 1.427"
  • Thickness: 0.083"
    Helps cure:
  • 2nd Gear damage
  • Frequent roller bearing replacement
4L80-E, 4L85-E, TH400 Pinion Pin 34875-01

4L80-E • 4L85-E • TH400

Pinion Pin 34875-01

Fits output and reaction planetaries for all model years.

    Helps cure:
  • Lost or damaged component
4T60, 4T60-E Differential Side Gear Thrust Washer 75890-30

4T60 • 4T60-E

Differential Side Gear Thrust Washer 75890-30

  • Material: Steel
  • Outer Dia.: 2.188"
  • Inner Dia.: 1.410"
  • Thickness: 0.031"
    Helps cure:
  • Excess differential/axle backlash
  • Differential side gear thrust washer failure
  • Washers not serviced separately
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