This Toyota Sienna U660E automatic transmission is a Japanese Domestic Market (JDM) replacement option for selected 3.5L V6 applications. The electronically controlled 6-speed automatic transmission is designed to provide smooth shifting and reliable power delivery when correctly matched and installed.
Key Features
- Vehicle: Toyota Sienna
- Model years: 2011–2016, subject to exact fitment
- Engine: 3.5L 2GR-FE V6
- Transmission code: U660E
- Transmission type: 6-speed automatic
- Drivetrain: 2WD / front-wheel drive (FWD)
- Origin: Japanese Domestic Market (JDM)
- Application: Replacement for compatible original transmissions
Vehicle Compatibility
Designed for selected 2011, 2012, 2013, 2014, 2015, and 2016 Toyota Sienna 3.5L FWD models. AWD versions use a different transmission variant, so confirm the original transmission identification before purchasing.
What you are buying
Restore factory performance and seamless shifting to your vehicle with this premium JDM 2007-2012 Toyota/Lexus 3.5L FWD Automatic Transmission (U660E). Sourced from pristine, low-mileage Japanese donor vehicles, this genuine OEM transmission is the professional-grade solution for replacing failed or slipping units in popular 3.5L V6 applications. Unlike domestic units that have often endured high-mileage stress, these JDM-spec transmissions are meticulously inspected for internal valve body health and solenoid responsiveness. This unit is the exact fit for your 2GR-FE powered Toyota or Lexus, providing a dependable, long-term fix that gets your vehicle back on the road with smooth, factory-certified reliability.
Vehicle Specifications
- Year Range: 2007, 2008, 2009, 2010, 2011, 2012
- Make & Model: Toyota Sienna, Highlander, Camry, RAV4; Lexus RX350
- Engine Compatibility: 2GR-FE 3.5L V6
- Transmission Type: 6-Speed Automatic (U660E Series)
- Drivetrain: Front-Wheel Drive (FWD)
- Origin: Japan (Genuine OEM Japanese Domestic Market Import)
- Condition: Premium Used Take-Off (Compression tested, valve body inspected, and verified low-mileage donor operation)
Vehicle Fitments
- Direct US-Spec Replacement: 2007-2012 Toyota Sienna, Highlander, Camry, RAV4 (3.5L V6 FWD models) and Lexus RX350 (2007-2009 / 2010-2012 FWD chassis).
- Compatibility: Engineered specifically for the 2GR-FE engine and U660E transmission architecture.
- Fitment Note: This is a direct structural swap for 3.5L FWD models. Ensure your vehicle’s Transmission Control Module (TCM) firmware is updated to match the JDM unit’s internal sensor suite for optimized shift point calibration.

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