Pinion Gear

Pinion Gear

Sonnax
SKU: 77731-01
Sale price$36.48

4L60, 4L60-E, 4L65-E, 4L70-E

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Product Details

Description

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.

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