4L70E Wide Reaction Sun Gear Bushing OEM 77010-01

Overview

This is a sun gear / sun shell for the GM, Chevrolet, GMC, Cadillac 4L70E automatic transmission. Built to OEM specification and engineered as a direct-fit replacement for a professional-grade 4L70E repair or rebuild. Every 4L70E order ships fast and is backed by our support team.

What's Included

• a hardened sun gear or reinforced sun shell

Fitment

Fits GM, Chevrolet, GMC, Cadillac vehicles equipped with the 4L70E automatic transmission. Please confirm your transmission model and year before ordering to ensure correct fitment.

Common Symptoms & When to Use

Consider this 4L70E part when you experience:

• loss of drive or reverse from a broken sun shell (a classic 4L60E failure)
• noise or metal debris from a stripped sun gear

Specifications

• OEM Part Number: 77010-01
• Transmission: 4L70E

Quality & Service

In-stock parts ship fast; special-order items ship within 3 business days. Free shipping on orders over $70. Backed by Core Transmission Parts — your source for 4L70E transmission parts.