4L60-E Valve Body Identification

Valve Body Xpress

Questions? Email Sonnax Tech Support about this article.

Part Number Chart

'93-'94 1995
'96-'01
4 Solenoids, Non-PWM Type The year is cast behind the EPC solenoid. The year is cast behind the EPC solenoid. The PWM solenoid can be either tan or gray (see GREEN ARROW).
Part No. GM046 Part No. GM047 Part No. GM048

'01-'02 Annular Lockup
'03-Later
The year is cast behind the EPC Solenoid.
The worm tracking of the annular lockup style is different! See below for details.
'03-Later have a Bosch Style EPC.
Part No. GM049 Part No. GM051
Colorado, Hummer
Must visually identify this valve body by the cut off corner or the front drive shaft positioned under the transmission pan.
Part No. GM052


Annular Lockup Identification

GM added a fully annular lockup style of the 4L60-E in 2001. The worm tracking of the annular lockup style is different!

Please verify that your worm track looks exactly like the area that is HIGHLIGHTED IN BLUE!

Related Part(s)
Related Unit(s)
Subject(s) Included
  • Identification Guides

While Sonnax makes every effort to ensure the accuracy of technical articles at time of publication, we assume no liability for inaccuracies or for information which may become outdated or obsolete over time.

Was this helpful? No

Thanks for your feedback! Contact Sonnax tech support for assistance.

Thanks for your feedback!