Sonnax pinion gear 77731-01 is a direct replacement for worn or damaged OE pinion gears in rear planetaries in listed GM transmissions. Helical pinion gear crafted from case-hardened alloy steel for added durability.
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!