Remanufactured Valve Body

Required

Chr107

42RH, 44RH
Remanufactured Valve Body CHR107

Hydraulic, with Tube

Sonnax rebuilt valve body CHR107 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Required

Chr105

42RH, 44RH
Remanufactured Valve Body CHR105

Hydraulic, without Tube

Sonnax rebuilt valve body CHR105 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Internal
12860 01k

Bearing & Plate Kit 12860-01K

O.D. Sungear to Planet

    Helps cure:
  • Bearing noise
  • Bearing failure
Sbk c16

Bearing Kit SBK-C16

1988 & later

    Helps cure:
  • Bearing noise
  • Bearing failure
12738

Inner Overdrive Bearing 12738

  • Bearing Style: Enclosed
  • Inner Dia.: 2.168"
  • Outer Dia.: 3.218"
  • Width: 0.190"
    Helps cure:
  • Bearing noise
  • Bearing failure
22171a 02k

Intermediate Plug & Pilot Kit 22171A-02K

    Helps cure:
  • Poor lube oil control
  • Recontamination of new parts
  • Unable to clean shaft
12510 01

Output Pilot Bushing 12510-01

'90-Later

  • Bushing Style: Precision
  • Material: Steel-backed bimetal
  • Width: 0.480"
  • Shaft Dia.: 0.601"
  • Housing Bore: 0.746"
    Helps cure:
  • Bushing wear
  • Bushing failure
12783 01k

Overdrive Shim Kit 12783-01K

  • Material: Steel
    Helps cure:
  • Not enough OE washers to properly set end clearance
12509 01

Oversized O.D. Sprag Pilot Bushing 12509-01

Fits '88-later units.

  • Bushing Style: Precision
  • Material: Steel-backed bimetal
  • Width: 0.710"
  • Shaft Dia.: 2.140"
  • Housing Bore: 2.301"
    Helps cure:
  • OD roller clutch failure
  • Aftermarket replacement bushings are a poor fit in output shaft housing
12962n 02k

Oversized Piston Retainer Kit 12962N-02K

    Helps cure:
  • Loss of lubrication oil to planetaries
  • Reverse drum, retainer & planet failure
12962n 01k

Piston Retainer Kit 12962N-01K

    Helps cure:
  • Loss of lubrication oil to planetaries
  • Reverse drum, retainer & planet failure
12802 01

Primary Governor Valve 12802-01

Fits ‘90-‘03 units only. Not for use as OE steel valve replacement.

    Helps cure:
  • Early upshifts
  • Late upshifts
  • 2nd Gear starts
12780 z

Rear Planet Endplay Shim 12780-Z

For 3- or 4-tanged OE washers.

  • Material: Steel
  • Inner Dia.: 2.000"
  • Thickness: 0.010"
  • Outer Dia.: 2.810"
    Helps cure:
  • Excess total transmission endplay