Toyota Lexus U660E Transmission Forward/Direct Drum Loaded (2007-up)

The Toyota Lexus U660E forward/direct drum (loaded) is a critical internal component designed for vehicles equipped with the U660E automatic transmission from 2007 and up. This assembly manages forward movement and direct clutch engagement by housing essential clutch packs and internal components that control torque transfer. Because this drum comes fully loaded, it includes pre-installed clutch elements, which simplifies installation and speeds up transmission rebuilds.

Over time, worn clutches or drum damage can cause slipping, delayed engagement, or harsh shifting. Replacing the forward/direct drum restores proper clutch apply pressure and improves shift performance. In addition, confirming that your vehicle uses the U660E transmission (FWD) ensures correct fitment, since the U660F AWD version uses different internal components. You can typically locate the transmission code stamped on the transmission case or referenced in the service manual.

This U660E loaded forward/direct drum works best when paired with related components such as new friction plates, steels, seals, and a complete rebuild kit. For example, installing a refreshed valve body and updated clutch packs alongside this drum supports smoother operation and long-term durability. Customers can also explore compatible parts on our site, including U660E valve bodies, transmission rebuild kits, and hard parts, to complete a comprehensive repair.
U660 Parts

Vehicle Compatibility

Toyota Applications

• Camry (V6 3.5L): 2007–2017

• Avalon (V6 3.5L): 2008–2018

• RAV4 (V6 3.5L): 2009–2012

• Highlander (V6 3.5L FWD): 2009–2016

• Venza (V6 3.5L FWD): 2009–2015

Lexus Applications

• ES 350 (V6 3.5L): 2007–2018

• RX 350 (V6 3.5L FWD): 2009–2015

Fitment Notes

This loaded forward/direct drum fits U660E front-wheel-drive transmissions only. Always verify the transmission code, engine size, and model year before purchase. Proper verification prevents installation issues and ensures smooth gear engagement.

Also, consult official Toyota or Lexus service documentation for torque specifications and installation procedures. Here is the diagram to verify what parts you’ll be needing for a U660 Transmission Rebuild.
U660 Diagram