MX5LINK - MX5NB1X

Easy to install. Affordable. Reliable.
G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential from your car.
This ECU fits inside the factory OEM enclosure. Installation is a breeze, with no alteration of the factory wiring loom required for the models listed below.

Designed for the Pre-Facelift MX5 NB (MY1998-2000, 3 Plug ECU, non-VVT 1.8L Engine)

• Please check your connector matches the header in the listed photo before purchasing.
• This ECU works for manual transmissions only.
• Includes onboard 7 bar MAP sensor
• Most factory features are supported
• Check the features tab for I/O expansion options

Note: This Plug-in features a new 4 pin powered CAN connector and cannot use the old CANPCB cable for CAN connection. Use the CANJST4 (Link PN 101-0198) cable for connecting CAN devices. This new 4 pin port and cable provide not only the CAN connection, but also a protected 12V power supply and ground for powering the CAN devices. The power supply is protected by a self-resetting fuse rated at 3A continuous.

MX5LINK - MX5NB2X

Easy to install. Affordable. Reliable.
G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential from your car.
This ECU fits inside the factory OEM enclosure. Installation is a breeze, with no alteration of the factory wiring loom required for the models listed below.

Designed for the Facelift MX5 NB (MY2001-2005, VVT Naturally Aspirated Engines and non-VVT Mazdaspeed Turbo 1.8L)

• Please check your connector matches the header in the listed photo before purchasing.
• This ECU works for manual transmissions only.
• Includes onboard 7 bar MAP sensor
• Most factory features are supported
• Check the features tab for I/O expansion options

Note: This Plug-in features a new 4 pin powered CAN connector and cannot use the old CANPCB cable for CAN connection. Use the CANJST4 (Link PN 101-0198) cable for connecting CAN devices. This new 4 pin port and cable provide not only the CAN connection, but also a protected 12V power supply and ground for powering the CAN devices. The power supply is protected by a self-resetting fuse rated at 3A continuous.

RX7Link (S7) - RX7S7X

Easy to install. Affordable. Reliable.
G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential from your car.
This ECU fits inside the factory OEM enclosure. Installation is a breeze, with no alteration of the factory wiring loom required for the models listed below.

Designed for the RX7 series 7-8 13BT.

• Please check your connector matches the header in the listed photo before purchasing.
• This ECU works for manual transmissions only.
• Check the features tab for I/O expansion options.

Suitable applications:

• FD3S Series 7 RX7
• FD3S Series 8 RX7

This ECU will support naturally aspirated, parallel twin or single turbo configurations. Does not support sequential control of the stock twin turbos.

RX7Link (S6) - RX7S6X

Easy to install. Affordable. Reliable.
G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential from your car.
This ECU fits inside the factory OEM enclosure. Installation is a breeze, with no alteration of the factory wiring loom required for the models listed below.

This ECU is designed for the RX7 series 6 13BT.

• Please check your pinout connector matches the header in the listed photo before purchasing.
• This ECU works for manual transmissions only.
• Check the features tab for I/O expansion options.
• This ECU will need a modification before E-Throttle is usable.

Suitable applications:
FD3S Series 6 RX7
This ECU will support naturally aspirated, parallel twin or single turbo configurations. Does not support sequential control of the stock twin turbos.

MX5Link - MX5NAX

Easy to install. Affordable. Reliable.
G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential from your car.
This ECU fits inside the factory OEM enclosure. Installation is a breeze, with no alteration of the factory wiring loom required for the models listed below.

Designed for the MX5 B6ZE(RS) / BP 1.8L engine.

• Please check your connector matches the header in the listed photo before purchasing.
• This ECU works for manual transmissions only.
• Includes onboard 4 bar or 7 bar MAP sensor
• Knock control not available on this ECU.
• Most factory features are supported.
• Check the features tab for I/O expansion options.
• This ECU will need a modification before E-Throttle is usable.

Suitable applications:

1600 1989-1997 NA MX5

1800 1989-1997 NA MX5

1800 323 GTX

1800 323 GTR

Please note: This ECU does not fit NB, NC, ND models. This unit is only suitable for the 2 plug ECU and not the later 3 plug models).