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Remanufactured Valve Body
Gm027

4L80-E, 4L85-E
Remanufactured Valve Body GM027

'92-'96, Temp Sensor in Wire Harness

Internal
Sbk g10

Bearing Kit SBK-G10

1976-1997

Sbk g20

Bearing Kit SBK-G20

1991 & later

34838 01k

Direct Drum Sleeve Kit 34838-01K

In 4L80-E units, part can be used in either early or late-model drums.

    Helps cure:
  • Direct clutch failure
  • Code 87, 730, 756, 1811
  • Maximum line presssure
  • No 4th
  • Delayed 3rd
  • Delayed Reverse
  • No 3rd
  • No Reverse
  • 2nd Gear starts w/MIL on
  • TCC slip codes
34322 01

Forward Clutch Hub 34322-01

Heavy Duty

34298 078

Forward Clutch Hub Washer (Front) 34298-078

Forward Hub

  • Material: Steel
  • Thickness: 0.078"
  • Outer Dia.: 1.781"
  • Inner Dia.: 1.289"
34301 078

Forward Clutch Hub Washer (Rear) 34301-078

Forward Clutch Drum

  • Material: Steel
  • Thickness: 0.078"
  • Outer Dia.: 1.780"
  • Inner Dia.: 1.405"
    Helps cure:
  • Excess front endplay
  • Forward clutch & sealing ring failure
  • Reduced bearing, thrust washer & sealing ring life
34301 094

Forward Clutch Hub Washer (Rear) 34301-094

Forward Clutch Drum

  • Material: Steel
  • Thickness: 0.094"
  • Outer Dia.: 1.780"
  • Inner Dia.: 1.405"
    Helps cure:
  • Excess front endplay
  • Forward clutch & sealing ring failure
  • Reduced bearing, thrust washer & sealing ring life
34500 z

Front Unit Endplay Shim 34500-Z

Updated design tang style , 1997 & later, .010" Thick

  • 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
34880 01

Output Speed Sensor Reluctor Ring 34880-01

    Helps cure:
  • Failsafe mode
  • Speed sensor plausibility codes
34716 01

Oversized Seal Rings 34716-01

  • Material: PTFE
  • Seal Style: Solid
  • Height: 0.096"
  • Width: 0.101"
  • Outer Dia.: 0.918"
    Helps cure:
  • Wear grooves in the Forward drum ID bore
  • Burnt Forward clutch
  • Delayed engagement
34880 03

Pinion Batwing Washer 34880-03

Output & reaction planetaries, 1999 & Later

    Helps cure:
  • Output & reaction planet assembly wear
  • Output and planet assembly failure
34880 02

Pinion Roller 34880-02

Output & reaction planetaries, 1999 & Later

    Helps cure:
  • Output & reaction planet assembly wear
  • Output and planet assembly failure
34880rk

Planetary Rebuild Kit 34880RK

Output & reaction planetaries, 1999 & Later

    Helps cure:
  • Output & reaction planet assembly wear
  • Output and planet assembly failure
34006 05

Shim 34006-05

Rear Unit Endplay, .005" Thick

  • Material: Steel
  • Inner Dia.: 2.375"
  • Thickness: 0.005"
  • Outer Dia.: 3.250"
34821 01

Thrust Bearing 34821-01

Overdrive Planetary

  • Bearing Style: Enclosed
  • Material: Hardened Steel
  • Outer Dia.: 1.802"
  • Thickness: 0.168"
  • Inner Dia.: 1.132"
Pump
34200 03k

Boost Valve Kit 34200-03K

Fits '91-later units with factory-style sleeve. Can be retrofit to '89-91 units. See instructions for details.

    Helps cure:
  • Broken parts
  • Buzzing noise
  • Uncontrollable line rise
  • High line pressure
34200 01k

Boost Valve Kit 34200-01K

O-ring style

    Helps cure:
  • Broken parts
  • Buzzing noise
  • High line pressure
  • Uncontrollable line rise
34200 10k

Boost Valve Kit 34200-10K

With built-in relief

    Helps cure:
  • Damaged case
  • Broken servo
  • Broken clutch piston
  • High line pressure
34200 14k

Lube Regulated Pressure Regulator Valve 34200-14K

    Helps cure:
  • Low cooler flow
  • Engine surge at idle
  • Low TCC release pressure
34200 05k

O-Ringed End Plug Kit 34200-05K

TCC & PR Valves

  • Dia.: 0.625"
    Helps cure:
  • Burnt clutches
  • Harsh shifts
  • Pressure loss
  • Soft shifts
  • TCC apply concerns
34994 14k

O-ringed End Plug Kit 34994-14K

TCC Valve Bore

  • Dia.: 0.668"
34200 36k

Oversized Line-to-Lube Pressure Regulator & Boost Valve Kit 34200-36K

Fits ‘99-later

    Helps cure:
  • Engine surge at idle
  • Low cooler flow
34201e sp

Pump Gear Set 34201E-SP

34016 w

Stator Support Bushing 34016-W

Front Stator Support

  • Bushing Style: Precision
  • Material: Steel-backed bimetal
  • Width: 0.675"
  • Shaft Dia.: 1.123"
  • Housing Bore: 1.244"
    Helps cure:
  • Overheated fluid
  • No Overdrive
  • No lockup
  • TCC slip codes
34203 01k

Stator Support Sleeve 34203-01K

    Helps cure:
  • Damaged stator support turbine shaft sleeve
Valve Body
34994 02k

1-2 & 2-3 Shift Valve Spring Kit 34994-02K

    Helps cure:
  • Repeated Solenoid B code 86
  • Repeated Solenoid B code 87
  • 3-4 Neutral
  • No 4th
  • No 3rd
  • No 4th
  • 2nd Gear starts
24230288

1-2 Shift Solenoid 24230288

1991 & Later

34200 47k

3rd & Reverse Checkball Sleeve Kit 34200-47K

Fits units '95-later. Fits units '95-later.

    Helps cure:
  • 3rd Slip
  • 4th Slip
  • Direct clutch burned
  • Gear ratio codes
  • Reverse slip
34994 17k

AFL Filter End Plug & O-Ring Kit 34994-17K

    Helps cure:
  • Broken AFL filters
  • Leaking AFL end plug
  • 2nd Gear starts
  • Code 68, 85, 86, 87
  • No upshifts
34200 16k

Actuator Feed Limit Valve Kit 34200-16K

    Helps cure:
  • Clutch failure
  • Band failure
  • Solenoid performance codes
  • Low solenoid feed pressure
  • 2-3 Neutral
  • No 4th
  • 2nd Gear starts
  • Code 68, 85, 86, 87
  • Wrong gear starts
10000 08

Checkball 10000-08

Imidized Plastic, .250" Dia.

  • Material: Imidized Plastic
  • Dia.: 0.250"
34994 11

End Plug 34994-11

  • Dia.: 0.500"
34994 16  1

Manual Valve 34994-16

    Helps cure:
  • Bent valves
  • Low line rise
  • Delayed engagement
  • Gear loss
34994 16k

Manual Valve Kit 34994-16K

    Helps cure:
  • Bent valves
  • Broken AFL filters
  • Leaking AFL end plug
  • Low line rise
  • 2nd Gear starts
  • Code 68, 85, 86, 87
  • Delayed engagement
  • Gear loss
  • No upshifts
34994 22k

Oversized Accumulator Control Valve Kit 34994-22K

    Helps cure:
  • High line pressure in Drive
  • Low line rise in Reverse
  • Soft shift & low accumulator pressure
34994 18k

Oversized TCC Regulator Valve Kit 34994-18K

    Helps cure:
  • Burnt converter
  • Converter shudder
  • TCC apply & release concerns
  • TCC codes
24222077

Pressure Switch Manifold 24222077

'91-Later

34200 38

Reverse Checkball Sleeve 34200-38

Fits units '95-later. Fits units '95-later.

    Helps cure:
  • Direct clutch burned
  • Gear ratio codes
  • No Reverse
  • 4th Slip
  • 3rd Slip
  • Reverse slip
34200 40k web

Smart-Tech® Overrun Clutch Valve Kit 34200-40K

Fits units '97-later.

    Helps cure:
  • No Forward
  • OD roller clutch failure
  • Overrun clutch distress
34994 15

Snap Ring 34994-15

  • Housing Bore: 0.669"
34994 01k

TCC Regulator Valve Kit 34994-01K

    Helps cure:
  • Burnt converter
  • Converter shudder
  • TCC apply & release concerns
  • TCC codes
Sc 4l80e

The Sure Cure® Kit SC-4L80E

    Helps cure:
  • Burnt converter
  • Bushing walks out
  • Case damage
  • Clutch failure
  • Band failure
  • Solenoid performance codes
  • Broken parts due to excessive line pressure
  • Buzzing noise
  • Metal contamination
  • Output shaft & case damage
  • High line pressure
  • Uncontrollable line rise
  • 2-3 Neutral
  • 3-4 Neutral
  • No 4th
  • 2nd Gear starts
  • Wrong gear starts
  • Converter shudder
  • TCC apply & release concerns
  • TCC slip codes
Case
34006 os

Case Bushing 34006-OS

Case Case,Oversized, “No Walk Out"

  • Material: Bronze
  • Bushing Style: Precision
  • Width: 0.690"
  • Shaft Dia.: 1.990"
  • Housing Bore: 2.171"
    Helps cure:
  • Bushing walks out
  • Case damage
  • Metal contamination
  • Output shaft & case damage
34006 sp

Case Bushing 34006-SP

Case Case, No Walk Out

  • Material: Bronze
  • Bushing Style: Precision
  • Width: 0.690"
  • Shaft Dia.: 2.006"
  • Housing Bore: 2.129"
    Helps cure:
  • Bushing walks out
  • Case damage
  • Metal contamination
  • Output shaft & case damage
38511 04k

Manual Shift Shaft Kit 38511-04K

'95-Later with external neutral safety swich

34913 01

Shift Cable Mount Bracket 34913-01

    Helps cure:
  • Damaged OE shifter bracket bosses
  • Early cases without shifter bracket bosses cannot be used in 1996 - 97 vehicles
Servo/Band
34989 01

Retaining Clip 34989-01

Rear Servo Piston

34528 01k

Reverse Servo Spacer Kit 34528-01K

    Helps cure:
  • Broken Low/Reverse servo piston
  • No Reverse
Other
34805 01k

4th Accumulator Repair Kit 34805-01K

Includes Sleeve, Pinless Piston & Seals

    Helps cure:
  • Damaged accumulator bore
  • Poor shift quality
  • Loss of accumulator control
34838 tl

Installation Tool 34838-TL

for 34838-01K Sleeve

34716 tl

Sizing Tool 34716-TL

For 34716-01 Seal Rings

77754 tl

Tool Kit 77754-TL

F 34994 tl18

Tool Kit F-34994-TL18

F 34200 tl36

Tool Kit F-34200-TL36

For 34200-36K

F 34994 tl22

Tool Kit F-34994-TL22

34998 01k

Wiring Harness Connector Bracket 34998-01K

    Helps cure:
  • Connector pushed into pan area
  • Retention tabs break off wiring harness connector