GM 4L80E 4L85E Transmission Shift Solenoid Set A & B (1-2 / 2-3) Replacement Kit

If your GM truck or performance vehicle with a 4L80E or 4L85E transmission is starting to shift funny, or maybe not shifting at all, these solenoids are likely the culprit.

This is a brand new, aftermarket set for the A and B shift solenoids—that's your 1-2 and 2-3 shifts.

It's a direct replacement for a ton of part numbers including 34421, 34826, 10478147, and more, so it's pretty much guaranteed to fit.

We've listed all the cross-references in the details, so double-check yours, but this is the standard kit for getting those gears changing smoothly again.

It's not a universal or vintage part; it's specifically designed for these GM transmissions.

Get your ride shifting like it should with this no-nonsense replacement kit.