Product Description
Sonnax part number: 77731-01
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
- 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.
Contents
- Pinion Gear (1)
Product Videos
Custom Field
Transmission Model(s) 700R4, 4L60E, 4L65E, 4L70E
