*One-way shipping only. Not valid for AK or HI.
Sonnax round washer 77731-04 is a direct replacement for worn or damaged OE washers in four-pinion rear planetary assemblies in listed GM transmissions. The Sonnax washer is made from through-hardened steel to help eliminate needle roller thrust wear.
Symptoms:
Cause:
Insufficient lube oil and/or excessive clearances.Correction:
This kit offers replacement parts for rebuilding damaged rear planet assemblies and gives rebuilders the option of replacing only the worn components.You must login to post a review.
Write the First Review!