2002-2006 Nissan 350Z VQ35DE Link Ecu G4X Xtreme
Link ECU G4X Nissan 350Z & Infiniti G35 PlugIn ECU — N350X
Upgrade your Nissan 350Z, Skyline V35 or Infiniti G35 with the Link ECU G4X N350X PlugIn ECU. This advanced standalone engine-management system comes in its own protective enclosure and connects to the original wiring loom, giving you complete control over fuel, ignition, electronic throttle, variable cam timing and advanced motorsport functions.
Designed for compatible vehicles equipped with the VQ35DE engine, the N350X delivers modern engine-management capabilities without requiring a complete standalone wiring harness.
FREE Link ECU USB Tuning Cable — $70 Value
Every N350X purchased from Kugan Tuning includes a compatible Link ECU USB tuning cable at no additional cost. Connect your laptop directly to the ECU for configuration, diagnostics, data logging and professional tuning.
Why Choose the Link G4X N350X?
- Designed for compatible Nissan and Infiniti VQ35DE applications
- Supplied in its own protective ECU enclosure
- Connects to the original engine wiring loom
- Supports manual and automatic transmissions
- Choice of onboard 4-bar or 7-bar MAP sensor
- Advanced fuel, ignition and electronic-throttle control
- Precision variable camshaft control
- Supports naturally aspirated, supercharged and turbocharged builds
- Launch control, anti-lag and flat-shift capability where applicable
- Expandable inputs and outputs
- CAN communication
- 512 MB of onboard data-logging memory
- FREE Link ECU USB tuning cable included—a $70 value
- FREE Kugan Tuning remote setup support included—a $297 value
Suitable Applications
- 2002–2006 Nissan 350Z or Fairlady Z Z33 with a VQ35DE engine
- 2003–2006 Nissan Skyline V35 with a VQ35DE engine
- 2003–2006 Infiniti G35 with a VQ35DE engine
- Manual- and automatic-transmission applications
Important Compatibility Information
- Designed for compatible VQ35DE applications
- Compare your factory ECU connector and pinout with the product photos before ordering
- Compatibility depends on the factory ECU connector and pinout—not only the vehicle’s model year or engine
- This listing should not be assumed compatible with later VQ35HR or VQ37VHR applications
- Select the appropriate onboard 4-bar or 7-bar MAP sensor when ordering
- Installing a dedicated intake-air-temperature sensor is highly recommended
- Most factory vehicle functions are supported, but availability can vary by model, market and transmission
- Modified vehicles and engine swaps may require additional wiring, sensors and configuration
- Professional installation and calibration are strongly recommended
G4X Engine-Management Features
- Up to 6D fuel and ignition mapping
- Sequential fuel injection
- Precision closed-loop camshaft control
- Independent control of up to four camshafts where applicable
- Digital triggering with support for OEM trigger patterns
- OEM idle-control hardware support
- Electronic-throttle control
- 5D boost control with three switchable tables
- Boost control based on gear, vehicle speed or throttle position
- Launch control
- Anti-lag
- Flat-shift control
- QuickTune automated fuel tuning
- Individual-cylinder correction
- Gear-based fuel, ignition and boost compensation
- Real-time selectable fuel, ignition and boost maps
- Continuous onboard barometric correction
- Staged injection
- Knock control with configurable knock windows
- Hall-effect, variable-reluctance and optical trigger-sensor support
- CAN communication
- Onboard statistics recording
- 512 MB of onboard data-logging memory
I/O Expansion Options
Expansion Connector 1
- Sensor ground
- Low-current 5V sensor supply
- Auxiliary output 15
- Auxiliary output 14
- Digital input 8
- Digital input 9
- Analog voltage input 8
Expansion Connector 2
- Temperature input 4
- Digital input 11
- Auxiliary output 16
- Auxiliary output 8
- Low-current 5V sensor supply
- Sensor ground
What’s Included
- Link ECU G4X N350X PlugIn ECU with enclosure
- Selected onboard 4-bar or 7-bar MAP sensor
- FREE Link ECU USB tuning cable—a $70 value
- FREE Kugan Tuning remote setup support—a $297 value
An external intake-air-temperature sensor is not included unless selected separately.
FREE Remote Setup Support — $297 Value
Purchase your Link ECU from Kugan Tuning and receive complimentary remote setup support to help prepare the ECU and vehicle for startup and professional tuning.
Remote setup support includes:
- Remote ECU connection and setup assistance
- Basemap selection guidance
- Initial ECU configuration assistance
- Startup configuration review
- Sensor and input verification
- Guidance preparing the vehicle for professional tuning
This support helps identify configuration and sensor problems early, reducing unnecessary troubleshooting and wasted dyno time.
Custom remote tuning and dyno tuning are not included unless separately purchased. Successful startup and vehicle operation depend on correct compatibility, installation, wiring, mechanical condition and ECU calibration.