ZF8HP70 Archives - Transmission Digest
Sonnax highlights heavy duty “E” clutch hub

Sonnax highlights the heavy duty “E” clutch hub (#35572-38T) for ZF8HP70 transmissions. This clutch hub is crafted from forged 4000-series aluminum, the same material used for high-performance engine pistons. According to Sonnax, the improved material significantly increases “E” clutch durability. Users can restore normal operation to ZF8HP70 transmissions after “E” clutch hub failure and avoid