Skip to content
Sonnax 77731-01 Pinion Gear 4L60, 4L60-E, 4L65-E, 4L70-E Rear Planetary

Sonnax 77731-01 Pinion Gear 4L60, 4L60-E, 4L65-E, 4L70-E Rear Planetary

by Sonnax
SKU S74584A-2
$17.87 - $17.87
$17.87
$17.87 - $17.87
$17.87
Availability:
in stock, ready to be shipped

Delivery time

You will receive your package in 2–5 business days within the contiguous U.S.

Brand: Sonnax

Product Type: Performance Transmission Parts

Items Included: One NEW Pinion Gear - fits Rear Planet 

Manufacturer Part Number: 77731-01

Material: Steel

Universal Fitment: Yes

Vintage Part: No

Performance Part: No

700R4, 4L60, 4L60-E, 4L65-E, 4L70-E Transmission

Pinion Gear (1PC)
Part No. 77731-01

Rear Planetary

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.


Use this text to share information about your product.