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Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-12KA

  • 4L60-E
  • 4L65-E
  • 4L70-E
  • NEW VERSION AVAILABLE UNDER PART #77733-12KB. For units with 300mm converter, reluctor-style shaft.
This part has been discontinued. Click here to see the part instructions.

Isolator Sleeve Kit 77754-ISO

  • 4L60-E
  • 4L65-E
  • 4L70-E

In listed GM transmissions, severe wear of the TCC regulator valve bore from the OE valve allows regulated converter apply pressure to exhaust. This is a primary c...Read More

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4L60-E, 4L65-E, 4L70-E Isolator Sleeve Kit 77754-ISO

Reamer 77754-R2

  • 4L60-E
  • 4L65-E
  • 4L70-E

Reamer for 77754-03K, 77754-04K and 77754-ISO

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4L60-E, 4L65-E, 4L70-E Reamer 77754-R2

Reamer 77754-RM5

  • 4L60-E
  • 4L65-E
  • 4L70-E

Reamer for 77754-ISO, 77754-03K & 77754-04K

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4L60-E, 4L65-E, 4L70-E Reamer 77754-RM5

Oversized Accumulator Pin & Reamer Kit 77754-02K

  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Includes 10 pins & reamer.
This part has been discontinued. Click here to see the part instructions.

Replacement Seal Kit 77987-SK

  • 4L60-E
  • 4L65-E
  • 4L70-E

Replacement seal kit for 77987-01K

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4L60-E, 4L65-E, 4L70-E Replacement Seal Kit 77987-SK

Tool Kit F-77964-TL14

  • 4L60-E
  • 4L65-E
  • 4L70-E

Tool Kit for 77964-14K.

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4L60-E, 4L65-E, 4L70-E Tool Kit F-77964-TL14

Vacuum Test Plate Kit Seal 77754-VTP-S

  • 4L60-E
  • 4L65-E
  • 4L70-E

Sonnax vacuum test plate kit seal 77754-VTP-S is a replacement silicone seal for a worn or damaged original seal in vacuum test plate kit 77754-VTP.

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4L60-E, 4L65-E, 4L70-E Vacuum Test Plate Kit Seal 77754-VTP-S

Tool Kit F-77754-TL62

  • 4L60-E
  • 4L65-E
  • 4L70-E

Tool Kit for 77754-62K.

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4L60-E, 4L65-E, 4L70-E Tool Kit F-77754-TL62

Tool Kit F-77754-TL4

  • 4L60-E
  • 4L65-E
  • 4L70-E

Tool Kit for 77754-03K, 77754-04K, 77754-ISO

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4L60-E, 4L65-E, 4L70-E Tool Kit F-77754-TL4

Tool Kit F-77754-TL42

  • 4L60-E
  • 4L65-E
  • 4L70-E

Tool Kit for 77754-42K

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4L60-E, 4L65-E, 4L70-E Tool Kit F-77754-TL42

Tool Kit F-77754-TL58

  • 4L60-E
  • 4L65-E
  • 4L70-E

Tool Kit for 77754-58K

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4L60-E, 4L65-E, 4L70-E Tool Kit F-77754-TL58

Torx® Plus Bit 77000-HBK

  • 4L60-E
  • 4L65-E
  • 4L70-E

Sonnax now offers a specially designed Torx® Plus bit 77000-HBK for removing 4L60-E bell housing bolts. The bit has a tighter fit with the drive head of the bolt. ...Read More

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4L60-E, 4L65-E, 4L70-E Torx® Plus Bit 77000-HBK

Replacement Seal Kit 77701-04SK
4L60, 4L60-E, 4L65-E, 4L70-E Replacement Seal Kit 77701-04SK

Apply Plate & Seal Service Kit 77733-06SVC

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E

Sonnax apply plate and seal service kit 77733-06SVC includes replacement components for Smart-Tech® input housing kits 77733-06KA, 77733-10KB, 77733-11KB, 77733-12...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Apply Plate & Seal Service Kit 77733-06SVC

Replacement Seal Kit 77767K-SK

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E

Sonnax replacement seal kit is used to replace worn out or damaged seals in Sonnax kit 77767K.

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4L60, 4L60-E, 4L65-E, 4L70-E Replacement Seal Kit 77767K-SK

Smart-Tech® Input Housing Kit 77733-06KA

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Does not include input shaft.

Limitations of the GM 4L60 series OE input housing are the root cause of 3-4 burnup in performance applications. The weak OE backing plate’s limited space. Stop th...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Smart-Tech® Input Housing Kit 77733-06KA

Wide Reaction Sun Gear Bushing 77010-01

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • May not work in some late-production sun gears with OE finish-in-place bushings.

The Sonnax wide reaction sun gear bushing 77010-01 for listed GM units, is one-and-a-half times the width of the OE version and fills the entire sun gear bushing g...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Wide Reaction Sun Gear Bushing 77010-01

Reamer 77787-RM3

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E

Reamer for 77787-03K.

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4L60, 4L60-E, 4L65-E, 4L70-E Reamer 77787-RM3

3-4 Accumulator Sleeve Kit 77998-01K

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E

The 3-4 accumulator bore on GM 4L60 and 4L60-E series cases can become scored, resulting in the loss of 4th servo feed and 4th accumulator pressure. Scoring is cau...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E 3-4 Accumulator Sleeve Kit 77998-01K

Forward Piston Installation Tool 77764-INSTL

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E

Sonnax forward piston installation tool 77764-INSTL is used in place of GM Kent-Moore J-29883 for applications which have an input drum reinforcement sleeve instal...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Forward Piston Installation Tool 77764-INSTL

Shim 77409-15

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Front bearing

Sonnax has designed .015" thick front endplay shim 77409-15 for listed GM units to better help the needs of the rebuilder in the selection of shims when checking f...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Shim 77409-15

3rd Accumulator Checkball & Seat 74480D

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E

Wear or debris can prevent the third accumulator checkball and seat from correctly sealing the 3-4 apply circuit.  Installing Sonnax 3rd accumulator checkball and ...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E 3rd Accumulator Checkball & Seat 74480D

Metal Clad Viton® Seal 77911-02

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Press in

Metal-clad Viton® seal restores hydraulic integrity at a worn 2nd apply servo piston.

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4L60, 4L60-E, 4L65-E, 4L70-E Metal Clad Viton® Seal 77911-02

1-2 or 3-4 Accumulator Spring 74926

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E

Sonnax offers accumulator spring 74926 for use in the 1-2 or 3-4 accumulator of GM 4L60 and 4L60-E series transmissions. The Sonnax spring has identical performanc...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E 1-2 or 3-4 Accumulator Spring 74926

Stator Support Bushing Kit 77918SBK

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • For 77918S-K Stator Support Shaft
This part has been discontinued.

Rear Stator Support Bushing 77002B

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Wider than OE

Sonnax rear stator support tube bushing 77002B allows technicians to service both Sonnax and OE stator support shafts. The wider bushing provides more support than OE.

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4L60, 4L60-E, 4L65-E, 4L70-E Rear Stator Support Bushing 77002B

Replacement Seal Kit 77911-03SK

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E

For 77911-03K 2nd Gear Superhold Servo

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4L60, 4L60-E, 4L65-E, 4L70-E Replacement Seal Kit 77911-03SK

Servo Release Check Valve Kit 77701-076

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • 2nd Gear Servo Release

Technicians would like to find a way to successfully extend the life of 3-4 clutches, and improve the 2-3 shift feel. They have been trying, with limited success, ...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Servo Release Check Valve Kit 77701-076

Inner Stator Race GM-HR-17

  • 258mm LU (4L60-E, 5L40-E)
  • 265mm LU (4T60-E, 4T80-E)
  • 4L80-E (Early Single Stator)
  • 4L80-E (Late Single Stator)
  • 6L80, 6L90 (300mm)
  • Converts GM 6L80, 6L90 (300mm), GM 258mm LU (4L60-E, 5L40-E) or GM 265mm LU (4T60-E, 4T80-E) converter cores to a 37-tooth internal spline for use in GM 4L80-E single stator applications.

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258mm LU (4L60-E, 5L40-E), 265mm LU (4T60-E, 4T80-E), 4L80-E (Early Single Stator), 4L80-E (Late Single Stator), 6L80, 6L90 (300mm) Inner Stator Race GM-HR-17
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