Transmission Parts GM 4L60 4L60-E Pump Shaft

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Symptoms:

Overheated converter
Worn splines
TCC apply & release concerns

Cause:

Overheating and manufacturing flaws cause sleeve rotation and block oil flow, which leads to transmission failure.

Correction:

Replace worn or damaged stator shaft with Sonnax stator support shaft kit.

4L60, 4L60-E

Stator Support Shaft Kit
Part No. 77918S-K

245mm or 298mm Converter, non-reluctor style, universal bolt pattern

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Sonnax stator support shaft 77918S-K kit for GM 4L60 and 4L60-E units eliminates sleeve rotation by mechanically fastening the sleeve in place with a set screw, further securing the sleeve in place with Loctite®. The assembly is 100% leak tested by Sonnax to ensure a secure seal. Shafts have slotted bolt holes for easy alignment during installation.

Set screw and Loctite eliminate sleeve rotation
Slotted bolt holes for easy installation
No machining required
Bushings installed

Contents

Stator Support Shaft 6.830" Long
Bushings (3)

Valve Body Layout

Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. See all Sonnax valve body layouts.