Skip to content
🏁 4TH OF JULY DEALS : Up to 25% Off Select Brands | Shop Now 🏎️
🏁 Memorial Day Sale: Up to 25% Off Select Brands | Shop Now 🏎️

Link ECU Engine Management (G4X Plug-In & Wire-In)

If you’re done guessing and ready to control fuel, ignition, boost, and safety strategies the right way, Link ECU is the move. We work directly with the Link team and back it up with an in-house tuning crew with 25 years of real tuning experience—so you’re not just buying a box, you’re buying a plan. Link’s ecosystem is built around PCLink software for configuration, live tuning, and data log analysis, with a proven support/reseller network behind it. 

  • Direct access to Link product guidance + dealer-level support

  • 25-year tuner team for setup direction & sanity checks

  • Plug-in ECUs for clean installs, wire-in ECUs for full custom builds

  • PCLink support: configure, tune, log, refine

Choose the right Link ECU: Plug-In vs Wire-In

Plug-In ECUs are the fastest path to a clean, OEM-like install on supported platforms (great for street cars, track cars, and mild-to-wild builds).
Wire-In ECUs are for full control: engine swaps, custom harnesses, race cars, and anything outside the normal playbook.

PCLink tuning software

Link’s PCLink is the control center—use it to configure ECU functions, tune in real time, and analyze logs so your changes are based on data, not vibes.

G4X platform note

The G4X range is widely used for performance applications, and Link positions it as a high-performance ECU choice for many builds (with feature needs determining whether you step up).

FAQ

Q1: What is a Link ECU and what does it control?
A Link ECU is the engine control unit that manages key engine parameters and lets you tune fuel, ignition, boost strategies, and integration with sensors/devices for performance and reliability.

 

Q2: Do I need a plug-in or wire-in Link ECU?
Plug-in is best when your vehicle has a supported application and you want a clean install. Wire-in is best for custom builds, swaps, or when you need full flexibility.

 

Q3: What software do I use to tune a Link ECU?
Link uses PCLink for ECU configuration, live tuning, and data log analysis.

 

Q4: Can you help me pick the right ECU for my build?
Yes—this is the whole point. We work directly with the Link team and our tuner staff has 25 years of tuning experience, so we’ll steer you to the right ECU path before you waste money.

 

Q5: Do you provide support after I buy?
Yes—setup guidance, common configuration pitfalls, and log-based troubleshooting help (when appropriate). Link also maintains a global dealer/support network.

 

Q6: Where can I find official manuals and documentation?
Link hosts official manuals for G4X/G4+ and many vehicle-specific plug-in applications.

 

✅ Shop the Link Engine Management

Filters

  • Link Engine Management Wideband O2 sensor (LSU49)

    Link Engine Management Wideband O2 sensor (LSU49)

    Link Engine Management
    $ 135.00 - $ 135.00
    $ 135.00
    $ 135.00 - $ 135.00
    $ 135.00
    In stock

    Details This sensor can be used with all wide band controllers and ECU’s that support LSU 4.9 sensors. This includes: Link G4+/G4X Fury and G4+Th...

    View full details
    $ 135.00 - $ 135.00
    $ 135.00
    $ 135.00 - $ 135.00
    $ 135.00
  • Link Engine Management XS Expansion Loom (XSL)

    Link Engine Management XS Expansion Loom (XSL)

    Link Engine Management
    $ 50.00 - $ 50.00
    $ 50.00
    $ 50.00 - $ 50.00
    $ 50.00
    In stock

    Details Want to add additional inputs/output to your Link Plugin ECU? Use the XS Loom. The Link XS Loom plugs into the expansion connector on all ...

    View full details
    $ 50.00 - $ 50.00
    $ 50.00
    $ 50.00 - $ 50.00
    $ 50.00
  • Link Engine Management Cable (USBM)

    Link Engine Management Cable (USBM)

    Link Engine Management
    $ 31.00 - $ 31.00
    $ 31.00
    $ 31.00 - $ 31.00
    $ 31.00
    In stock

    Details USB Mini Cable. Used to connect ECU to computer for tuning. Suitable for: G4X Atom G4X Monsoon G4+ Atom G4+ Kurofune G4+ Monsoon

    $ 31.00 - $ 31.00
    $ 31.00
    $ 31.00 - $ 31.00
    $ 31.00
  • Link Engine Management Trigger Wheel (TWS)

    Link Engine Management Trigger Wheel (TWS)

    Link Engine Management
    $ 95.00 - $ 95.00
    $ 95.00
    $ 95.00 - $ 95.00
    $ 95.00
    In stock

    Details Small Diameter Trigger wheel – Medium and Large sizes also available.  24 tooth 150mm diameter 40mm centre

    $ 95.00 - $ 95.00
    $ 95.00
    $ 95.00 - $ 95.00
    $ 95.00
  • Link Engine Management Trigger Wheel (TWM)

    Link Engine Management Trigger Wheel (TWM)

    Link Engine Management
    $ 95.00 - $ 95.00
    $ 95.00
    $ 95.00 - $ 95.00
    $ 95.00
    In stock

    Details Medium Diameter Trigger wheel – Small and Large sizes also available. 24 tooth 175 diameter 40mm centre

    $ 95.00 - $ 95.00
    $ 95.00
    $ 95.00 - $ 95.00
    $ 95.00
  • Link Engine Management Trigger Wheel (TWL)

    Link Engine Management Trigger Wheel (TWL)

    Link Engine Management
    $ 95.00 - $ 95.00
    $ 95.00
    $ 95.00 - $ 95.00
    $ 95.00
    In stock

    Details Large Diameter Trigger wheel – Small and Medium sizes also available. 60-2 tooth 200mm diameter 40mm centre

    $ 95.00 - $ 95.00
    $ 95.00
    $ 95.00 - $ 95.00
    $ 95.00
  • Link Engine Management Throttle Position Sensor (TPSCW/CCW)

    Link Engine Management Throttle Position Sensor (TPSCW/CCW)

    Link Engine Management
    $ 235.00 - $ 235.00
    $ 235.00
    $ 235.00 - $ 235.00
    $ 235.00
    In stock

    Details Throttle Position Sensor. Supports clockwise and counter-clockwise installations. 6 wire flying lead. Wiring instructions are provided in t...

    View full details
    $ 235.00 - $ 235.00
    $ 235.00
    $ 235.00 - $ 235.00
    $ 235.00
  • Link Engine Management Coolant Temperature Sensor (NTC12)

    Link Engine Management Coolant Temperature Sensor (NTC12)

    Link Engine Management
    $ 65.00 - $ 65.00
    $ 65.00
    $ 65.00 - $ 65.00
    $ 65.00
    In stock

    Details Includes Plug Kit - 2 way Bosch Style plug, terminals and boot M12 Thread

    $ 65.00 - $ 65.00
    $ 65.00
    $ 65.00 - $ 65.00
    $ 65.00
  • Link Engine Management Coolant Temperature Sensor (NTC1-8)

    Link Engine Management Coolant Temperature Sensor (NTC1-8)

    Link Engine Management
    $ 65.00 - $ 65.00
    $ 65.00
    $ 65.00 - $ 65.00
    $ 65.00
    In stock

    Details Includes 2-pin Deutsch DTM connector kit Aluminium and steel weld in mounting bosses available 1/8" NPT Thread

    $ 65.00 - $ 65.00
    $ 65.00
    $ 65.00 - $ 65.00
    $ 65.00
  • Link Engine Management Loom G1 / G2 LinkPlus X2ML

    Link Engine Management Loom G1 / G2 LinkPlus X2ML

    Link Engine Management
    $ 180.00 - $ 180.00
    $ 180.00
    $ 180.00 - $ 180.00
    $ 180.00
    In stock

    Details To suit G1 / G2 LinkPlus models, 2m

    $ 180.00 - $ 180.00
    $ 180.00
    $ 180.00 - $ 180.00
    $ 180.00
  • Link Engine Management Knock Sensor (KNS)

    Link Engine Management Knock Sensor (KNS)

    Link Engine Management
    $ 115.00 - $ 115.00
    $ 115.00
    $ 115.00 - $ 115.00
    $ 115.00
    In stock

    Details Donut style 8mm hole Includes plug and pin kit 

    $ 115.00 - $ 115.00
    $ 115.00
    $ 115.00 - $ 115.00
    $ 115.00
  • Link Engine Management Bosch 2 Way Plug Kit (PKB2)

    Link Engine Management Bosch 2 Way Plug Kit (PKB2)

    Link Engine Management
    $ 15.00 - $ 15.00
    $ 15.00
    $ 15.00 - $ 15.00
    $ 15.00
    In stock

    Details Bosch 2 way plug kit. Useful for a variety of applications. Most commonly paired with Bosch Fuel Injectors.Includes 2 way Bosch Style Plug,...

    View full details
    $ 15.00 - $ 15.00
    $ 15.00
    $ 15.00 - $ 15.00
    $ 15.00
  • Link Engine Management Mounting Boss Aluminium (IATBMA)

    Link Engine Management Mounting Boss Aluminium (IATBMA)

    Link Engine Management
    $ 24.00 - $ 24.00
    $ 24.00
    $ 24.00 - $ 24.00
    $ 24.00
    In stock

    Details Weld in Aluminium Boss. Bosch part. Suitable for mounting the IATB Inlet Air Temperature sensor and other sensors that mount via a Bosch st...

    View full details
    $ 24.00 - $ 24.00
    $ 24.00
    $ 24.00 - $ 24.00
    $ 24.00
  • Link Engine Management Air Temperature Sensor (IATB)

    Link Engine Management Air Temperature Sensor (IATB)

    Link Engine Management
    $ 85.00 - $ 85.00
    $ 85.00
    $ 85.00 - $ 85.00
    $ 85.00
    In stock

    Details Includes Plug Kit - 2 way Bosch Style plug, terminals and boot Aluminium and steel weld in mounting bosses available (IATBMA & IATBMS)

    $ 85.00 - $ 85.00
    $ 85.00
    $ 85.00 - $ 85.00
    $ 85.00
  • Link Engine Management Mounting Boss Steel (IAT1-8MS)

    Link Engine Management Mounting Boss Steel (IAT1-8MS)

    Link Engine Management
    $ 21.00 - $ 21.00
    $ 21.00
    $ 21.00 - $ 21.00
    $ 21.00
    In stock

    Details Weld in steel boss, 1/8" NPT Thread. Suitable for mounting Intake air temperature (IAT1-8), Coolant Temperature sensors (NTC1-8) and other ...

    View full details
    $ 21.00 - $ 21.00
    $ 21.00
    $ 21.00 - $ 21.00
    $ 21.00
  • Link Engine Management Mounting Boss Aluminium (IAT1-8MA)

    Link Engine Management Mounting Boss Aluminium (IAT1-8MA)

    Link Engine Management
    $ 24.00 - $ 24.00
    $ 24.00
    $ 24.00 - $ 24.00
    $ 24.00
    In stock

    Details Weld in Aluminium boss, 1/8" NPT Thread. Suitable for mounting Intake air temperature (IAT1-8), Coolant Temperature sensors (NTC1-8) and ot...

    View full details
    $ 24.00 - $ 24.00
    $ 24.00
    $ 24.00 - $ 24.00
    $ 24.00
  • Link Engine Management Air Temp Sensor (IAT1-8)

    Link Engine Management Air Temp Sensor (IAT1-8)

    Link Engine Management
    $ 90.00 - $ 90.00
    $ 90.00
    $ 90.00 - $ 90.00
    $ 90.00
    In stock

    Details Includes 2-pin Deutsch DTM connector kit Aluminium and steel weld in mounting bosses available 1/8" NPT Thread

    $ 90.00 - $ 90.00
    $ 90.00
    $ 90.00 - $ 90.00
    $ 90.00
  • Link Engine Management Three Channel Inductive Igniter (I3)

    Link Engine Management Three Channel Inductive Igniter (I3)

    Link Engine Management
    $ 185.00 - $ 185.00
    $ 185.00
    $ 185.00 - $ 185.00
    $ 185.00
    In stock

    Details This three channel igniter is suitable for electronic ignition applications.  Required when using coils that don't have inbuilt igniters.Co...

    View full details
    $ 185.00 - $ 185.00
    $ 185.00
    $ 185.00 - $ 185.00
    $ 185.00
  • Link Engine Management Ethanol Content Sensor (ECS)

    Link Engine Management Ethanol Content Sensor (ECS)

    Link Engine Management
    $ 265.00 - $ 265.00
    $ 265.00
    $ 265.00 - $ 265.00
    $ 265.00
    In stock

    Details Looking to run flex-fuel? Then the Ethanol Content Sensor is a must have. The Ethanol Content Sensor measures the ratio of ethanol to petro...

    View full details
    $ 265.00 - $ 265.00
    $ 265.00
    $ 265.00 - $ 265.00
    $ 265.00
  • Link Engine Management Crank Angle Sensor (CAS)

    Link Engine Management Crank Angle Sensor (CAS)

    Link Engine Management
    $ 160.00 - $ 160.00
    $ 160.00
    $ 160.00 - $ 160.00
    $ 160.00
    In stock

    Details Used in conjunction with a trigger wheel to measure crank angle, a vital measurement for engine operation. Can be used with almost any stee...

    View full details
    $ 160.00 - $ 160.00
    $ 160.00
    $ 160.00 - $ 160.00
    $ 160.00
  • Link Engine Management CAN to Serial Tuning Cable

    Link Engine Management CAN to Serial Tuning Cable

    Link Engine Management
    $ 67.00 - $ 67.00
    $ 67.00
    $ 67.00 - $ 67.00
    $ 67.00
    In stock

    Details Link CAN to Serial (DB9 Female connector) Tuning Cable. Used to connect ECU to a computer with a serial interface (DB9 Male). A USB tuning ...

    View full details
    $ 67.00 - $ 67.00
    $ 67.00
    $ 67.00 - $ 67.00
    $ 67.00
  • Link Engine Management Cable (CANPCB)

    Link Engine Management Cable (CANPCB)

    Link Engine Management
    $ 47.00 - $ 47.00
    $ 47.00
    $ 47.00 - $ 47.00
    $ 47.00
    In stock

    Details Required to add CAN/Serial communications to G4+/G4X Plugin ECU’s. Plugs directly into ECU PCB header. Use the Link CANF connector (purchas...

    View full details
    $ 47.00 - $ 47.00
    $ 47.00
    $ 47.00 - $ 47.00
    $ 47.00
  • Link Engine Management Plug (CANF)

    Link Engine Management Plug (CANF)

    Link Engine Management
    $ 31.00 - $ 31.00
    $ 31.00
    $ 31.00 - $ 31.00
    $ 31.00
    In stock

    Details Field Installable CAN Plug - Can be used to wire in to the 6 pin CAN port on Link G4/G4+/G4X ECUs that have a round 6 pin CAN communicatio...

    View full details
    $ 31.00 - $ 31.00
    $ 31.00
    $ 31.00 - $ 31.00
    $ 31.00
  • Link Engine Management BG4 - 10 pack blanking plugs

    Link Engine Management BG4 - 10 pack blanking plugs

    Link Engine Management
    $ 8.00 - $ 8.00
    $ 8.00
    $ 8.00 - $ 8.00
    $ 8.00
    In stock

    Details Blanking plugs for unused terminal positions - 10 pack. Suits A, B, C and D G4, G4+ and G4X ECU connectors.

    $ 8.00 - $ 8.00
    $ 8.00
    $ 8.00 - $ 8.00
    $ 8.00