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  • Differential side gear thrust washer failure
  • Excess differential/axle backlash
  • Washers not serviced separately


Worn side gear thrust washers allow the gears to move away from pinions, causing backlash and clunk.


Hardened thrust washers allow differential salvage and correct set-up.

4T60, 4T60-E

Differential Side Gear Thrust Washer
Part No. 75890-30

Package Quantity: 4

View Instructions

Sonnax has designed a replacement thrust washer 75890-30 for differentials with 2-3/16" outer diameter washers when these OE washers get worn or destroyed.

  • Shims not available elsewhere.
  • Thrust washer is hardened.
  • Salvages differential assemblies.
  • Material: Steel
  • Outer Dia.: 2.188"
  • Inner Dia.: 1.410"
  • Thickness: 0.031"
  • 75890 30 combo
  • 75890 30