GM 6F50 / 6F55 / 6T70 / 6T75 (Generation 1) Transmission Isolator Valve Kit fits Chevy, GMC, Cadillac, Buick.

Part No:124740-03K

This is a brand new never installed item, the photos usually show the actual products to be shipped.

This part may fit other models not listed.


One (1) Sonnax Brand Transmission Isolator Valve Kit. fits GM 6F50 / 6F55 FWD transmissions and 6T70 / 6T75 (Generation 1) FWD Transmissions.

O-rings added to valve and end plug to ensure positive seal.

Annular grooves help center valve in bore to reduce future side-load wear.

Spring shot-peened to reduce fatigue and eliminate premature failure.

Direct replacement, no special tools necessary.

This Isolator Valve Kit Contains
One (1) Isolator Valve
One (1) Isolator Valve Spring
One (1) Isolator Valve End Plug
Three (3) O-Rings (1 extra)

Keep your 6F50 in tip-top shape with Sonnax Brand Parts. Transmission Jobber Supply is an authorized Sonnax distributor.