Product Name: Input Drum Assembly (245mm, 27-Spline)
Core Part Number: 8678716
Transmission Models: 4L60E, 4L65E, 4L70E
Product Type: Used
Origin: China
Dimensions: 40*20*20 cm
Weight: 9 kg
⚙️ Critical Power Transfer Component
The input drum transfers engine torque to clutch packs and planetary gearsets, enabling gear shifts.
27-spline shaft and 245mm diameter match 2006–2009 GM transmissions for Hummer, Colorado, and Canyon models.



