• 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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• 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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• 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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• 4L60
• OE plungers with code 94

Poor line rise or no detent downshifts can be common complaints in vehicles with a THM 700-R4 transmission. The steel throttle valve plunger continuously reciproca...Read More

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• 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-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

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

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• 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 for SERV (GM Reman) Valve Bodies

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• 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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• 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
• 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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• 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
• 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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• 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
• 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
• 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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• 200-4R
• 4L60
• 4L60-E
• 4L65-E
• 4L70-E
• 5L40-E
• 5L50-E
• Powerglide

Sonnax bushing 77005T is a direct replacement for the GM 4L60, 4L60-E, 4L65-E, 4L70-E pump bushing and an upgrade for the 5L40-E, 5L50-E and 200-4R. This bushing a...Read More

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• 280mm LU (4L60-E) “VJCX”
• 300mm (4L60-E)
• 4L60-E, 4L65-E, 4L75-E (300mm), Multi-Plate Performance Converter
• Street/Strip applications only.

A performance torque converter is highly specialized based on the performance characteristics of the specific vehicle. And Sonnax has several levels of kits to ens...Read More

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• 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
• 4L60-E
• 4L65-E
• 4L70-E

Reamer for 77787-03K.

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

Sonnax now offers a high performance pump slide spring 77722-01K for the 4L60, 4L60-E, 4L65-E and 200-4R. In high performance applications, when engine speed excee...Read More

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

Carbide tool kit for 77917-06 and 77917-07 will provide increased tool life over the standard, high-speed steel reamer tool kit.

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• 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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