Link ECU | G4X AtomX | Wire - In

Link ECU 111-4000

( 111-4000 )


Used as: An entry level aftermarket ECU for lightly modified engines.

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Link Engine Management Logo | LINK ECUS IN ESSEX

Link ECU | "G4X AtomX"

  • The Link G4X AtomX ECU is one of the latest versions of Link Engine Management's entry level ECU modules. It's more responsive and has higher bandwidth than it's predecssor, the Link G4+ Atom II, as well as using the same microprocessor as the entire G4X range.
  • This module features 512MB of data logging at 32bit using up to 250 channels, each limited to 1kHz per channel, with a maximum of 100 kSamples/sec.
  • The Link G4X AtomX can control up to two (2) rotors or four (4) cylinders with sequential injection and direct spark. It can also be used for up to 8 cylinders with batch fire. Ideal for naturally aspirated engines with no use for all the extra sensors than come with Link's higher level ECU modules. 
  • Note: Requires "A" loom.

Features | "G4X AtomX"


  • 2 x Digital Inputs
  • 2 x Temperature Inputs
  • 3 x Analog Inputs
  • 2 x Trigger Inputs
  • 1 x Knock Input(s)


  • 4 x Injector Drives
  • 4 x Ignition Drivers
  • 4 x Auxiliary Outputs*
  • +5V Sensor Power Supply

*Unused ignition drivers can be used as additional AUX outputs.


  • 1 x CAN Bus
  • 1 x USB Tuning Connection
  • 1 x thirty four (34) Pin Connector [waterproof]
  • Upgraded Communications Chip (4x faster than G4+)

Full Specification [Link ECU] 

Link ECU Supply, Installation & Calibration:

  • Redline Tuning can supply, install & calibrate both the Link G4X AtomX ECU or any other Link Engine Management Product currently available in Essex, London and the South East of England.

Contact Redline Tuning 

Important Notes:

  • This product requires an "A" Loom.
  • Please double check / cross reference your existing ECU's pinout with the images we have provided, to ensure connections are correct.

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  • Please note that we do not carry stock for all Link Engine Management products. If we do not have an item in stock it will be ordered for you, please allow up to 2 extra business days for us to process your order. If you need an item urgently, or would like to know if an item is in stock, please contact us here
  • Prices shown do not include VAT, this will be calculated and added at checkout for UK customers.
  • For international customers, sales tax will not be charged at checkout. You will be responsible for the VAT equivalent wherever you live. This will be charged by the courier prior to delivery. We have zero control over these charges and they vary by the destination country. We advise that you check before ordering if you are unsure.
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