• 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

Reamer for SERV (GM Reman) Valve Bodies

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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
• 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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• 258mm LU (4L60-E, 5L40-E)

Sonnax offers GM-O-13 piston seal, a direct OE replacement for GM 258mm (5L40-E, 4T65-E) and GM 300mm (4L60-E) applications. 

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• 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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• 280mm LU (4L60-E) “VJCX”

Sonnax impeller hub GM-90-76G offers another optional length for rebuilding GM 280mm (4L60-E) “VJCX” converters, which are experiencing higher-than-normal pump rot...Read More

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• 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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• 4L30-E
• 4R70E
• 4R70W
• 4R75E
• 4R75W
• AOD
• AODE
• TH180
• TH180C (3L30)

Severe wear of the servo apply pin bore due to continuous pin oscillation can result in burned clutches, shift complaints and destroyed cases. Sonnax servo pin bor...Read More

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• 4L30-E
• 4R70E
• 4R70W
• 4R75E
• 4R75W
• AOD
• AODE
• TH180
• TH180C (3L30)

Tool Kit for 76890-24K

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• 280mm LU (4L60-E) “VJCX”

The three lugs welded to the OE stamped steel cover in GM 280mm LU (4L60-E) “VJCX” converters are prone to flexing and cracking. Made from a fully machined forging...Read More

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

Sonnax round washer 77731-04 is a direct replacement for worn or damaged OE washers in four-pinion rear planetary assemblies in listed GM transmissions. The Sonnax...Read More

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• 4L60-E
• 4L65-E
• 4L70-E
• 280mm or 300mm Converter, reluctor style, '04-later.

Sonnax stator support shaft assembly 77918S-09K in GM 4L60-E, 4L65-E and 4L70-E transmissions eliminates sleeve rotation by securing the sleeve in place with Locti...Read More

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• 4L60-E
• 4L65-E
• 4L70-E
• 298mm Converter, reluctor style

Sonnax stator support shaft assembly 77918S-08K for GM 4L60-E, 4L65-E and 4L70-E transmissions eliminates sleeve rotation by securing the sleeve in place with Loct...Read More

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• 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

This high-quality, high performance pressure regulator spring 77917-10 from Sonnax fits GM 4L60-E, 4L65-E and 4L70-E transmissions. The spring increases line press...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
• Early style, .490" dia., increased ratio, factory style

GM 4L60-E and 4L65-E transmissions frequently have poor line rise, which can result in 3-4 clutch, 2-4 band failure or poor shift quality. The duty cycle of the EP...Read More

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• 4L60-E
• 4L65-E
• Early style, .470" dia., OE ratio, O-ring style

GM 4L60-E and 4L65-E transmissions frequently have poor line rise, which can result in 3-4 clutch, 2-4 band failure or poor shift quality. The duty cycle of the EP...Read More

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• 4L60-E
• 4L65-E
• Early style, .470" dia., OE ratio, factory style

GM 4L60-E and 4L65-E transmissions frequently have poor line rise, which can result in 3-4 clutch, 2-4 band failure or poor shift quality. The duty cycle of the EP...Read More

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• 4L60-E
• 4L65-E
• Early style, .490" dia., increased ratio, O-ring style

GM 4L60-E and 4L65-E transmissions frequently have poor line rise, which can result in 3-4 clutch, 2-4 band failure or poor shift quality. The duty cycle of the EP...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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