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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

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  • Link Engine Management CANJST4 - CAN Connection Cable for Plugin ECU's (4pin)

    Link Engine Management CANJST4 - CAN Connection Cable for Plugin ECU's (4pin)

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

    Details Required to add CAN communications & power to recently released G4X Plugin ECU’s which have the new 4 Pin powered CAN connector (not t...

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    $ 47.00 - $ 47.00
    $ 47.00
    $ 47.00 - $ 47.00
    $ 47.00
  • Link Engine Management CANJST - CAN Connection Cable for Plugin ECU's (5pin)

    Link Engine Management CANJST - CAN Connection Cable for Plugin ECU's (5pin)

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

    Details Used to add CAN communications to G4+/G4X Plugin ECU’s which have a 5 Pin CAN connector.  Plugs directly into the CAN socket on the ECU PC...

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    $ 47.00 - $ 47.00
    $ 47.00
    $ 47.00 - $ 47.00
    $ 47.00
  • Link Engine Management WB Loom for MR2 ST185 PlugIn

    Link Engine Management WB Loom for MR2 ST185 PlugIn

    Link Engine Management
    $ 40.00 - $ 40.00
    $ 40.00
    $ 40.00 - $ 40.00
    $ 40.00
    In stock

    WB Loom for MR2 ST185 PlugIn

    $ 40.00 - $ 40.00
    $ 40.00
    $ 40.00 - $ 40.00
    $ 40.00
  • Link Engine Management Adapter M10 x 1 Female to 1/8 NPT Male

    Link Engine Management Adapter M10 x 1 Female to 1/8 NPT Male

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

    Details Stainless Steel thread adapter, M10 x 1 Female to 1/8 NPT Male, Adapts popular Bosch Metric Pressure Sensors to suit 1/8 NPT threaded ports.

    $ 21.00 - $ 21.00
    $ 21.00
    $ 21.00 - $ 21.00
    $ 21.00

  • Link Engine Management FZJ100 Link - TFZJ100X

    Link Engine Management
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    In stock

    Details Easy to install. Affordable. Reliable.   G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the...

    View full details
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
  • Link Engine Management Electronic Throttle Body Kit - 54mm (ETB54)

    Link Engine Management Electronic Throttle Body Kit - 54mm (ETB54)

    Link Engine Management
    $ 285.00 - $ 285.00
    $ 285.00
    $ 285.00 - $ 285.00
    $ 285.00
    In stock

    Electronic Throttle Body Kit - 54mm

    $ 285.00 - $ 285.00
    $ 285.00
    $ 285.00 - $ 285.00
    $ 285.00
  • Link Engine Management Electronic Throttle Body Kit - 82mm (ETB82)

    Link Engine Management Electronic Throttle Body Kit - 82mm (ETB82)

    Link Engine Management
    $ 285.00 - $ 285.00
    $ 285.00
    $ 285.00 - $ 285.00
    $ 285.00
    In stock

    Details 82mm Electronic Throttle Body 82mm Bore size Dual potentiometer redundancy Bosch quality and performance Includes groove on inlet port fla...

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    $ 285.00 - $ 285.00
    $ 285.00
    $ 285.00 - $ 285.00
    $ 285.00
  • Link Engine Management E-Throttle Accelerator Pedal Module (PED)

    Link Engine Management E-Throttle Accelerator Pedal Module (PED)

    Link Engine Management
    $ 215.00 - $ 215.00
    $ 215.00
    $ 215.00 - $ 215.00
    $ 215.00
    In stock

    Details E-Throttle Accelerator Pedal Module Firewall mounted hanging design 16degree (~70mm) travel Redundant dual output potentiometers suitable ...

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    $ 215.00 - $ 215.00
    $ 215.00
    $ 215.00 - $ 215.00
    $ 215.00
  • Link Engine Management 140 Bar Pressure Sensor (HPS)

    Link Engine Management 140 Bar Pressure Sensor (HPS)

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

    Details High Pressure sensor for Liquid. Use for Fuel, Clutch, Brake etc. 140 Bar/2030PSI 45degree cone seat M10x1 Thread Includes mating connecto...

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    $ 115.00 - $ 115.00
    $ 115.00
    $ 115.00 - $ 115.00
    $ 115.00
  • Link Engine Management CIVICLink - K20X

    Link Engine Management CIVICLink - K20X

    Link Engine Management
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the p...

    View full details
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
  • Link Engine Management S2000Link - S2000X

    Link Engine Management S2000Link - S2000X

    Link Engine Management
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the ...

    View full details
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
  • Link Engine Management WRXLink (V10) - WRX107X

    Link Engine Management WRXLink (V10) - WRX107X

    Link Engine Management
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    In stock

    Details Easy to install. Affordable. Reliable. The Link G4X PlugIn ECU transforms your WRX into a precision-tuned performance machine. Enjoy the la...

    View full details
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
  • Link Engine Management WRXLink (04) - WRX104X

    Link Engine Management WRXLink (04) - WRX104X

    Link Engine Management
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    In stock

    Details Easy to install. Affordable. Reliable. The Link G4X PlugIn ECU transforms your WRX into a precision-tuned performance machine. Enjoy the la...

    View full details
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
  • Link Engine Management VR4Link - VR4X

    Link Engine Management VR4Link - VR4X

    Link Engine Management
    $ 1,400.00 - $ 1,400.00
    $ 1,400.00
    $ 1,400.00 - $ 1,400.00
    $ 1,400.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the p...

    View full details
    $ 1,400.00 - $ 1,400.00
    $ 1,400.00
    $ 1,400.00 - $ 1,400.00
    $ 1,400.00
  • Link Engine Management TTLink - TTX

    Link Engine Management TTLink - TTX

    Link Engine Management
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to maximize the potentia...

    View full details
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
  • Link Engine Management JZXLink - JZX100X

    Link Engine Management JZXLink - JZX100X

    Link Engine Management
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the ...

    View full details
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
  • Link Engine Management SupraLink - TS2JZX

    Link Engine Management SupraLink - TS2JZX

    Link Engine Management
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the p...

    View full details
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
  • Link Engine Management MiniLink - MINIX

    Link Engine Management MiniLink - MINIX

    Link Engine Management
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the p...

    View full details
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
  • Link Engine Management 350ZLink - N350X

    Link Engine Management 350ZLink - N350X

    Link Engine Management
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the p...

    View full details
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
    $ 1,950.00 - $ 1,950.00
    $ 1,950.00
  • Link Engine Management AltezzaLink - TALTX

    Link Engine Management AltezzaLink - TALTX

    Link Engine Management
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the p...

    View full details
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
  • Link Engine Management MR2Link V3 - TST205X

    Link Engine Management MR2Link V3 - TST205X

    Link Engine Management
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the p...

    View full details
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
  • Link Engine Management MR2Link V1 - TST185X

    Link Engine Management MR2Link V1 - TST185X

    Link Engine Management
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the p...

    View full details
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
  • Link Engine Management WRXLink (7-9) - WRX9X

    Link Engine Management WRXLink (7-9) - WRX9X

    Link Engine Management
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the p...

    View full details
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
    $ 2,075.00 - $ 2,075.00
    $ 2,075.00
  • Link Engine Management WRXLink - WRX6X

    Link Engine Management WRXLink - WRX6X

    Link Engine Management
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    In stock

    Details Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the p...

    View full details
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00
    $ 1,595.00 - $ 1,595.00
    $ 1,595.00