Is your Infiniti or Nissan with a 3.5L VQ35DE engine idling rough or having throttle issues? This AUQDD electronic throttle body might be the solution. It's a direct replacement for part numbers TB1001 and 161198J100, and it fits a range of models including 2003-2008 Infiniti FX35, 2003-2006 Nissan 350Z, 2002-2006 Altima, 2002-2008 Maxima, 2003-2007 Murano, and more (make sure to check the full compatibility list for your specific vehicle). It comes as a complete assembly with throttle actuator, idle air control, and throttle position sensor pre-installed. Made in ISO-certified facilities, it's built to meet or exceed OE specs. Important note: After installation, you may need to perform an ECU reset or idle relearn procedure so the engine computer can adapt to the new throttle body. A quality, cost-effective repair part to restore smooth engine performance.