Searching for a TOYOTA / LEXUS NX Transmission 2.0 L 6-Speed Automatic (8AR-FTS, OEM Part 30500-78010) with accurate specifications and verified compatibility? You’re in the right place. This 6-speed automatic transmission assembly is engineered to match the drivetrain, torque characteristics, and electronic control requirements of the Toyota / Lexus NX series equipped with the 2.0 L 8AR-FTS turbo petrol engine, delivering smooth gear shifts, responsive acceleration, and reliable performance whether you’re cruising in the city, navigating highways, or enjoying long drives with confidence and control.

Built to integrate precisely with the 2.0 L 8AR-FTS turbo petrol engine and the NX’s drivetrain architecture, this automatic transmission supports adaptive shift logic, optimized gear ratios, and integrated hydraulic control mapping to ensure consistent drivability, refined performance, and long-term durability. The transmission control unit (TCU/ECU) communicates seamlessly with the engine management system, delivering precise electronic coordination that enhances performance, fuel economy, and overall vehicle responsiveness under varied driving conditions.

Owners searching for a replacement transmission commonly do so when experiencing symptoms such as delayed or harsh gear changes, slipping under load, unusual drivetrain noise or vibration, inconsistent throttle response, persistent transmission warning lights, or reduced overall drivability and efficiency. Because modern automatic transmissions are precision-engineered systems designed to work with specific engine torque curves, hydraulic control strategies, and electronic communication protocols, confirming correct fitment and specifications before purchase is essential to ensure dependable performance and long service life.

This automatic transmission assembly is ideal for buyers searching for a TOYOTA / LEXUS NX 2.0 L 6-Speed Automatic Transmission replacement, genuine OEM gearbox solution, or complete unit that restores smooth operation and dependable drivability in compatible NX models. Automatic transmission systems are carefully calibrated to work with engine output characteristics, torque converter engagement behavior, electronic shift scheduling, vehicle speed inputs, and load-based control strategies to maintain the refined driving experience Lexus and Toyota are known for.

Installing an incompatible or mismatched unit can lead to persistent diagnostic fault codes, rough or unpredictable shifting behavior, reduced fuel economy, overheating risk, erratic throttle response, and premature wear of internal transmission components—particularly under higher load or sustained driving conditions. Ensuring correct transmission match and specification helps prevent unnecessary complications and protects overall drivetrain reliability.

Before you buy, always verify the vehicle make, model, and generation as TOYOTA / LEXUS NX with 2.0 L 8AR-FTS engine, confirm the correct 6-speed automatic transmission configuration, and match the exact OEM part number 30500-78010. Proper verification ensures accurate electronic communication, correct hydraulic and control system mapping, and smooth integration with the vehicle’s drivetrain—delivering dependable performance you can trust mile after mile.