Description
4R70E / 4R70W / 4R75E / 4R75W Heavy Duty Forward Sun Gear, Sonnax 76612A-01.
31-Tooth, for use with 2.84/1.55 ratio gear sets.
OE Part No. 9L3Z-7A399-B
Sonnax heavy duty forward sun gear 76612A-01 is a direct replacement for all 31-tooth sun gears used in 2.84/1.55 ratio gear sets. This is the same sun gear included with Sonnax Smart-Tech® direct drum and shaft kit 76656-01K that combines high-strength direct drum with integrated intermediate stub shaft.
- Unique sun gear is precision-machined from 9310, heat-treated steel
- Can be used with stock-size shaft and drums for medium-duty or budget builds
