Bearings & Washers

4L80E TH400 Torrington Bearing Kit (All Years)

This a high quality new Torrington Bearing Kit for all model years of GM TH400 and 4L80E automatic transmissions.

4L80E Output Shaft to Case Thrust Washer (3-Tang) 0.092''

This is a new replacement output shaft to case thrust washer for 4L60E automatic transmissions. 3-Tang 0.092'' Thick

4L80E 4T60 4T65E Planetary Thrust Bearing (Sonnax)

34821-01 is a direct replacement for the planetary thrust bearing in listed units.  This bearing is known to fail and destory the planet gears.  REplace the bearing during a rebuild to prevent a costly failure. Found in Chevy and GM trucks and...

4L80E TH400 4T65E Pinion Thrust Washer - Pre-1998 (Pack of 8)

TH400, 4L80-E, 4T65-E Pinion Thrust WasherPart No. 34875-04 For '98-earlier GM 400, 4L80-E and 4T65-E output and reaction planetaries with .750" wide pinion gears. Package Quantity: 8

4L80E Oversized Sealing Rings (Pack of 2)

Pack of 2   GM 4L80-E and 4L85-E forward drums are often replaced due to wear of the sealing ring bore caused by contact with the input shaft. Contact between shaft and drum occurs because of looseness/wear of the support bushings and tight...

4L80E TH400 Front/Rear Unit Endplay Shim - Upgraded (Pack of 10)

It is often difficult to reduce front unit endplay on 400 or 4L80/85-E units with excessive spline wear. Normal component wear allows excess forward and direct drum travel. This travel or free-play reduces sealing ring life. These units are limited on...

4L80E TH400 HD Forward Clutch Hub Washer - Rear (Pack of 5) 0.078''

Pack of 5 Sonnax Part Number: 34301-078 A pump that has been resurfaced or accumulated shaft spline wear creates excessive endplay of the forward and direct drums. This reduces sealing ring, clutch, bearing, and thrust washer life. Having the ability to...

4L80E TH400 HD Forward Clutch Hub Washer - Rear (Pack of 5) 0.094"

A pump that has been resurfaced or accumulated shaft spline wear creates excessive endplay of the forward and direct drums. This reduces sealing ring, clutch, bearing, and thrust washer life. Having the ability to shim both the lower unit sun gear with...

4L80E TH400 HD Forward Clutch Hub Front Washer (Pack of 5) 0.078"

Pack of 5 Sonnax forward clutch hub front washer 34298-078 replaces the OE .063" thick washer between the forward clutch hub and the forward drum. It is .015" thicker than OE and is the optimal way to tighten front unit endplay in most common builds...

4L80E Thrust Washer Kit

New replacement thrust washer for GM's 4L80E automatic transmission.

TH400 4L80E Output Shaft to Case Selective Washer (3 Tang - 0.076")

This is a new AC Delco selective washer for the the TH400 and 4L80E measuring .076" thick. 1965-1998

TH400 4L80E Output Shaft to Case & Front Planet to Rear Planet Washer (1965-UP) 4-Tang Metal

TH400|4L80E Torrington Bearing Kit (1965-UP)

 New Turbo 400 and 4L80E automatic transmission torrington bearing kit.