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The Sure Cure® Kit SC-4L60

  • 4L60

Sonnax Sure Cure kit SC-4L60 for GM 4L60 (700-R4) units is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuilders r...Read More

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4L60 The Sure Cure® Kit SC-4L60

Accordion Spring GM-S-11A

  • 300mm (4L60-E)
  • 6L90 (Captive Clutch)
  • AT-500
  • MT-600
  • TH400 (3L80), AT-540

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300mm (4L60-E), 6L90 (Captive Clutch), AT-500, MT-600, TH400 (3L80), AT-540 Accordion Spring GM-S-11A

Performance Pack HP-4L60E-01

  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Fits '94-later units.

The Sonnax Performance Pack for GM 4L60-E, 4L65-E and 4L70-E transmissions is a must-have for any heavy-duty vehicle and the very best foundation for high-performa...Read More

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4L60-E, 4L65-E, 4L70-E Performance Pack HP-4L60E-01

Line Pressure Booster Kit 4L60E-LB1

  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Early-style

Line pressure booster kit 4L60E-LB1 fits early-style GM 4L60-E, 4L65-E and 4L70-E pumps. Sonnax hydraulic line pressure booster kits contain stronger pressure regu...Read More

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4L60-E, 4L65-E, 4L70-E Line Pressure Booster Kit 4L60E-LB1

Line Pressure Booster Kit 4L60E-LB2

  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Late-style

Line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E and 4L70-E pumps. Sonnax hydraulic line pressure booster kits contain stronger pressure regul...Read More

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4L60-E, 4L65-E, 4L70-E Line Pressure Booster Kit 4L60E-LB2

Planetary Rebuild Kit 77731-RK

  • 4L60
  • 4L60-E
  • Fits 4-pinion rear planetary

The rear planetary assembly in GM 4L60 (700-R4) and 4L60-E transmissions frequently wears out and must be replaced. New replacement assemblies can be costly, and t...Read More

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4L60, 4L60-E Planetary Rebuild Kit 77731-RK

Heavy Duty Input Shaft 77733-10SB

  • 4L60
  • 4L60-E
  • For ’85-later units with 298mm converter, 30-spline input shaft. For ’82–’84 units with 27-spline input shaft, converter and stator shaft will need to be updated to ’85-later design.

Input shaft failure is a common problem in GM 4L60 and 4L60-E units as power levels are increased. Sonnax heavy duty input shaft 77733-10SB for 298mm torque conver...Read More

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4L60, 4L60-E Heavy Duty Input Shaft 77733-10SB

Heavy Duty Input Shaft 77733-10S

  • 4L60
  • 4L60-E
  • NEW VERSION AVAILABLE UNDER PART #77733-10SB. For '85-later units with 298mm converter, 30-spline input shaft. For '82-'84 units with 27-spline input shaft, converter and stator shaft will need to be updated to '85-later design.
This part has been discontinued. Click here to see the part instructions.

Input Housing Overrun Sleeve Kit 77733-51KA

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

The GM 4L60, 4L60-E, 4L65-E and 4L70-E input drum assembly is known to crack and strip out splines where the input shaft is pressed into it (where the overrun pist...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Input Housing Overrun Sleeve Kit 77733-51KA

Input Drum Reinforcement Kit 77733-02K

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

The GM 4L60, 4L60-E, 4L65-E and 4L70-E input drum assembly is known to crack where the input shaft is pressed into it (where the overrun clutch rides). Sonnax offe...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Input Drum Reinforcement Kit 77733-02K

Oversized Servo Pin Kit 77787-03K

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

Sonnax oversized servo pin kit 77787-03K is for use in reconditioned GM 4L60, 4L60-E, 4L65-E and 4L70-E case bores. Matching the longest OE pin length, this chromo...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Oversized Servo Pin Kit 77787-03K

3-4 Clutch Boost Spring 77763-01

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Fits '88-later units.

Sonnax 77763-01 boost springs offer a low cost, direct replacement alternative to the OE springs in GM 4L60, 4L60-E, 4L65-E and 4L70-E units. Engineered for the ap...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E 3-4 Clutch Boost Spring 77763-01

Batwing Washer 77731-05

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Fits 4-pinion rear planetary.

Sonnax batwing washer 77731-05 is a direct replacement for worn or damaged OE washers in listed GM transmissions. Made from solid bronze, Sonnax washers eliminate ...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Batwing Washer 77731-05

Heavy Duty Reaction Shaft Kit 74602-01K

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Universal kit, fits all years and all input carrier styles.

GM 4L60E series reaction shafts used in high-torque applications — and especially in heavy vehicles — suffer from two common issues that require replacement: The s...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Heavy Duty Reaction Shaft Kit 74602-01K

Accumulator Valve Train Kit 77777M-K

  • 200-4R
  • 4L60
  • 4L60-E
  • Fits "M" version valve trains in heavy weight vehicles, .341" dia. In 4L60, fits '87-later auxiliary valve body styles only.

Vehicles with a GM 200-4R, 700-R4, or 4L60-E transmission can experience 1-2 light throttle abrupt or bang shifts, especially when using the 093 Corvette or 553 2n...Read More

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200-4R, 4L60, 4L60-E Accumulator Valve Train Kit 77777M-K

Accumulator Valve Train Kit 77777L-K

  • 200-4R
  • 4L60
  • 4L60-E
  • Fits "L" version valve trains in light/medium weight vehicles, .330" dia. Fits 4L60 '87-later auxiliary valve body styles only.

Vehicles with a GM 200-4R, 700-R4, or 4L60-E transmission can experience 1-2 light throttle abrupt or bang shifts, especially when using the 093 Corvette or 553 2n...Read More

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200-4R, 4L60, 4L60-E Accumulator Valve Train Kit 77777L-K

Pinion Pin 77731-02K

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Fits 4-pinion rear planetary.

Sonnax pinion pin 77731-02K is a direct replacement for worn or damaged OE pinion pins in rear planetaries in listed GM transmissions. Hollow design features lube holes to reduce planetary burn-up.

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4L60, 4L60-E, 4L65-E, 4L70-E Pinion Pin 77731-02K

Rear Planetary Pinion Pin 77732-02

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • 4- & 5-Pinion rear planetary

Sonnax rear planetary pinion pin 77732-02 is a direct replacement for worn or damaged OE pinion pins in GM 4L60 (700-R4), 4L60-E, 4L65-E and 4L70-E units. Solid de...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Rear Planetary Pinion Pin 77732-02

Replacement Seal Kit 77733-SK

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

Replacement seal kit 77733-SK refreshes the piston seals in Sonnax input housing overrun sleeve kit 77733-51KA and input housing forward sleeve kit 77733-52K for G...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Replacement Seal Kit 77733-SK

Billet Forward Clutch Piston 77764-01

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

Accumulator Valve Train Kit 77754-10K

  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Fits valve trains with sleeve stamp codes CX, DX or YZ only.

Vehicles with GM 4L60-E, 4L65-E or 4L70-E transmissions can experience light throttle shifts and poor shift quality as well as early 2-4 band failure. These proble...Read More

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4L60-E, 4L65-E, 4L70-E Accumulator Valve Train Kit 77754-10K

Pinion Needle Roller 77731-03

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Fits 4-pinion rear planetary.

Sonnax pinion needle roller is a direct replacement for worn or damaged OE needle rollers.  Sonnax pinion needle rollers are specifically toleranced for use with matching pins and gears.

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4L60, 4L60-E, 4L65-E, 4L70-E Pinion Needle Roller 77731-03

Heavy Duty Overrun Clutch Hub 74574-HD

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

The overrun clutch hub found in GM 4L60 (700R4), 4L60E, 4L65E and 4L70E units is highly susceptible to cracking and breaking in applications such as autocross.  ...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Heavy Duty Overrun Clutch Hub 74574-HD

Smart-Tech® Clutch Kit 77734-01K

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Recommended clutch pack for Smart-Tech input housing kits.

Sonnax Smart-Tech clutch kit 77734-01K includes the eight .067" BorgWarner high energy frictions and seven Lindered steels recommended for use with Sonnax Smart-Te...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Smart-Tech® Clutch Kit 77734-01K

Bearing Kit SBK-G12

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Fits '82-later

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4L60, 4L60-E, 4L65-E, 4L70-E Bearing Kit SBK-G12

Impeller Hub GM-90CM-49MR

  • 4L60 (700-R4), 4L60-E (298mm), Multi-Plate Performance Converter

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4L60 (700-R4), 4L60-E (298mm), Multi-Plate Performance Converter Impeller Hub GM-90CM-49MR

SmartShell® Heavy Duty Reaction Shell Kit 77749-02K

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

In GM 4L60, 4L60-E, 4L65-E and 4L70-E units, bulky aftermarket shells always fall short when splines continue to strip and the shells break under stress. A chronic...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E SmartShell® Heavy Duty Reaction Shell Kit 77749-02K

The Sure Cure® Kit SC-4L60E

  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Fully compatible with '95-later with PWM/EC3 (electronically controlled capacity clutch) control.

Sonnax Sure Cure kit SC-4L60E is a comprehensive reconditioning package for GM 4L60-E, 4L65-E and 4L70-E PWM units featuring the best Sonnax products developed to ...Read More

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4L60-E, 4L65-E, 4L70-E The Sure Cure® Kit SC-4L60E

Input Housing Forward Sleeve Kit 77733-52K

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
  • Requires Sonnax overrun sleeve and compatible overrun piston. See instructions for details.

Input housing failure at the shaft and forward piston areas is common in high-torque 4L60, 4L60-E, 4L65-E and 4L70-E transmissions. Sonnax input housing forward sl...Read More

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4L60, 4L60-E, 4L65-E, 4L70-E Input Housing Forward Sleeve Kit 77733-52K

Input Drum Reinforcement Kit 77733-51K

  • 4L60
  • 4L60-E
  • 4L65-E
  • 4L70-E
This part has been discontinued. Click here to see the part instructions.
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