Product Description
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.
PACKAGE CONTAINS
- Pinion Gear (1)
SYMPTOMS
- Planetary failure
- Planetary wear
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.
