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U660E U660 Transmission Planetary Assembly Planet Gear TW238950A for Toyota Lexus | 35780-73010
GEAR UNDERDRIVEGEAR UNDERDRIVE
U660E U660 Transmission Planetary Assembly Planet Gear TW238950A for Toyota Lexus | 35780-73010
Product Overview
The TW238950A is a professional-grade automatic transmission planetary gear assembly (planetary carrier) designed strictly for the 6-speed U660E / U660 electronic automatic transaxle system. Functioning as the core speed-reduction and torque-multiplication hub, this planetary carrier features finely ground pinion gears and high-strength bearings, ensuring reliable multi-ratio gear changes and durable driving load distributions across Toyota and Lexus V6 platforms.
Technical Specifications
- Product Name: Automatic Transmission Planetary Gear Carrier Assembly
- Model Code: U660E / U660 / TW238950A
- Common OE Numbers: 35780-73010, 35780-73020, 35780-73011, 3578073010
- Transmission Type: 6-Speed Automatic Transmission (FWD / AWD)
- Manufacturer: Guangzhou Transton Company
Vehicle Application Guide
Direct fit for U660E transmissions matched with 3.5L V6 engines:
- Toyota Camry 3.5L V6 (2007-On)
- Toyota Avalon 3.5L V6 (2008-On)
- Toyota RAV4 3.5L V6 (2006-2012)
- Toyota Highlander 3.5L V6 (2008-On)
- Toyota Sienna 3.5L V6 (2007-On)
- Lexus ES350 3.5L V6 (2007-On)
- Lexus RX350 3.5L V6 (2010-On)
Key Features & Advantages
- Premium Forged Pinions: The small pinion gears inside the carrier are heat-treated and hardened to eliminate micro-pitting and prevent catastrophic tooth breakage under heavy acceleration loads.
- Strict Mechanical Tolerance: Perfectly aligned internal spline geometry guarantees immediate engagement with the transmission sun gear and output shaft assembly.
- Optimized Lubrication Passages: Built with tailored internal fluid paths to ensure steady automatic transmission fluid (ATF) flow to the pinion needle bearings, preventing heat build-up.
- Direct B2B Supply Capacity: Sourced straight from Guangzhou Transton, offering international transmission rebuild shops competitive wholesale pricing and secure ocean/air batch shipping logistics.
Previous : U660E U760E Transmission Rear Planet Bearing / Rear Planetary Carrier Thrust Bearing
Next : CSQ-U660 U660E Automatic Transmission Differential Assembly for Toyota Lexus | OE 41310-33160
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