Skip to content

Brand: Sonnax

Non-Domestic Product: No

FitmentType: Replacement

Custom Bundle: No

Manufacturer Part Number: 34821-01

MPN: 34821-01

Modified Item: No

4L80-E, 4L85-E, 4T60, 4T60-E, 4T65-E

Planetary Thrust Bearing
Part No. 34821-01

34821-01 is a direct replacement for the planetary thrust bearing in listed units. This bearing is known to fail and destroy the planet gears. Replace the bearing during a rebuild to prevent a costly failure.
  • Found in Chevy and GM trucks, vans, Astro, Safari, Blazer, Yukon, Suburban and more
  • Not available from OEM
  • Salvages costly planetary assemblies

Check bearing locations before using.

  • 4L80-E: Overdrive planet
  • 4T60, 4T60-E, 4T65-E: Input carrier
  • Bearing Style: Enclosed
  • Material: Hardened Steel
  • Outer Dia.: 1.802"
  • Thickness: 0.168"
  • Inner Dia.: 1.132"

Use this text to share information about your product.

Blog posts

See more