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Reamer 77754-SERV

  • 4L60-E
  • 4L65-E
  • 4L70-E

Reamer for SERV (GM Reman) Valve Bodies

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

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

Rear Planetary Thrust Bearing 77731-10

  • 4L60
  • 4L60-E
  • 4L70-E
  • 4L70-E
This part has been discontinued.

3-4 Clutch Boost Spring & Retainer Assembly 8667424

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • '88-Later

Sonnax offers this genuine AC Delco 3-4 clutch boost spring and retainer assembly for the 4L60 (700-R4), 4L60-E, and 4L65-E.

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4L60, 4L60-E, 4L65-E, 4L70-E 3-4 Clutch Boost Spring & Retainer Assembly 8667424

Governor 117

  • 4L60
  • Gas
This part has been discontinued.

Clip 77754-08

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

Sonnax clip 77754-08 for GM 4L60, 4L60-E, 4L65-E and 4L70-E transmissions is a hairpin-style valve body retainer that replaces lost or damaged OE components.

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4L60, 4L60-E, 4L65-E, 4L70-E Clip 77754-08

298mm Performance Converter Kit GM-RK-18

  • 298mm LU (TH250C, TH350C, 200-4R, 4L60 & E)
  • 4L60-E (298mm), Single-Plate Performance Converter
This part has been discontinued. Click here to see the part instructions.

TCC Solenoid Snout Kit 77942-02K

  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Fits '97-later PWM units. Built-in anti-drainback valve.

The plastic OE torque converter clutch solenoid snouts are prone to breakage causing them to leak oil that should be directed to the converter clutch apply valve. ...Read More

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4L60-E, 4L65-E, 4L70-E TCC Solenoid Snout Kit 77942-02K

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

Accordion Spring GM-S-12

  • 10R80
  • 258mm (Captive Clutch)
  • 280mm LU (4L60-E) “VJCX”
  • 6L45/6L50
  • 6L80 (258mm)
  • 8L45
  • 8L90
  • GM 4L60-E (280mm) “VJCX”
This part has been discontinued.

O-Ring GM-O-17V

  • 265mm LU (4T60-E, 4T80-E)
  • 280mm LU (4L60-E) “VJCX”
  • 300mm (4L60-E)

Sonnax oversized O-ring GM-O-17V can be used to prevent leakage in GM 4L60-E piston/damper assemblies and GM 265mm LU viscous damper assemblies with somewhat worn ...Read More

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265mm LU (4T60-E, 4T80-E), 280mm LU (4L60-E) “VJCX”, 300mm (4L60-E) O-Ring GM-O-17V

Thrust Washer 77409-16

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Selective, OE-Style
This part has been discontinued.

Reverse Boost Valve Kit K77898A

  • 200-4R
  • 4L60
  • Large Ratio, Factory Style, No O-Rings

Vehicles with GM 200-4R and 4L60 transmissions often have complaints of poor Reverse boost or upshifts in manual low. This complaint is generally caused by a worn ...Read More

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200-4R, 4L60 Reverse Boost Valve Kit K77898A

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

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

Roll GM-RO-480

  • 10R80
  • 258mm (Captive Clutch)
  • 280mm LU (4L60-E) “VJCX”
  • 6L45/6L50
  • 6L80 (258mm)
  • 8L45
  • 8L90
  • 4L60-E (280mm) “VJCX” torque converter

Sonnax offers roller GM-RO-480 required to rebuild the stator clutch assembly for the 4L60-E (280mm) “VJCX” torque converter. 10 Required 52100 Through-hardened bearing grade steel

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10R80, 258mm (Captive Clutch), 280mm LU (4L60-E) “VJCX”, 6L45/6L50, 6L80 (258mm), 8L45, 8L90 Roll GM-RO-480

3-2 Control Valve Spring 77754-23

  • 4L60-E
  • 4L65-E
  • 4L70-E
  • For use in '96-later on/ff style 3-2 control valve bodies. It will not work in '93–'95 PWM style 3-2 control valve bodies.

The 3-2 control valve spring in late-model GM 4L60-E, 4L65-E and 4L70-E valve bodies often breaks, and can cause a 3-2 bind and/or 2-4 band to overheat. This sprin...Read More

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4L60-E, 4L65-E, 4L70-E 3-2 Control Valve Spring 77754-23

Stator Support Bushing 35007A

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Powerglide
  • TH350C
  • TH400

Sonnax stator support bushing 35007A allows technicians to service both Sonnax and OE stator support tubes. Use the chart below to determine proper usage as a f...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E, Powerglide, TH350C, TH400 Stator Support Bushing 35007A

Enhanced Performance Accumulator Spring 77704S

  • 200-4R
  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E

Sonnax enhanced performance accumulator spring 77704S provides firmer 1-2 shifts for the enthusiast that appreciates quick, positive shift feel in listed GM units....Read More

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200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E Enhanced Performance Accumulator Spring 77704S

Throttle Valve Plunger Valve Kit 77966-93K

  • 4L60
  • Replaces OE code 093
This part has been discontinued. Click here to see the part instructions.

Reinforced Input Housing & Upgraded Input Shaft Kit 77733-05K

  • 4L60-E
  • 300mm non-reluctor style 1998-2005
This part has been discontinued. Click here to see the part instructions.

Inner Stator Race GM-HR-18

  • 245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E:S-10 only)
  • 6L80, 6L90 (300mm)
  • Converts GM 245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E:S-10 only) converter cores to a 36-tooth spline for use in 6L80, 6L90 300mm applications

Sonnax special high performance inner stator race GM-HR-18 can be used to convert  GM 245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E: S-10 only) applications t...Read More

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245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E:S-10 only), 6L80, 6L90 (300mm) Inner Stator Race GM-HR-18

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

Pump Vane 1280

  • 200-4R
  • 3T40 (TH125C)
  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E

Steel pump vane manufactured by Koyo® for use in GM 200-4R, 3T40 (125C), 4L60, 4L60-E, 4L65-E, 4L70-E units.

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200-4R, 3T40 (TH125C), 4L60, 4L60-E, 4L65-E, 4L70-E Pump Vane 1280

Oversized 3-4 Shift Valve Kit 77754-42K

  • 4L60-E
  • 4L65-E
  • 4L70-E

In GM 4L60-E, 4L65-E abd 4L70-E units, wear at the shift valve spools and bore lands causes loss of critical hydraulic pressure which, depending on the wear locati...Read More

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4L60-E, 4L65-E, 4L70-E Oversized 3-4 Shift Valve Kit 77754-42K

300mm Performance Converter Kit GM-RK-405

  • 280mm LU (4L60-E) “VJCX”
  • 300mm (4L60-E)
  • 4L60-E, 4L65-E, 4L75-E (300mm), Multi-Plate Performance Converter
  • Street/Strip applications only.
This part has been discontinued. Click here to see the part instructions.

3-4 Relay O-Ringed End Plug Kit 77964-08K

  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Fits two locations

In GM 4L60-E, 4L65-E and 4L70-E units, the hammering effect of the 3-4 relay and/or 3-4 shift valves can cause the end plugs to wear, resulting in loss of 4th sign...Read More

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4L60-E, 4L65-E, 4L70-E 3-4 Relay O-Ringed End Plug Kit 77964-08K

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

Front Planetary Pinion Pin 77732-09

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
This part has been discontinued.

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
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