
Nissan Laurel / Cefiro standalone ECUs
Nissan's rear-wheel-drive mid-size sedans sharing RB-series straight-six engines with the Skyline.
- Chassis
- A31 · C33 · C34 · C35
- Years
- 1988–2002
- Engines
- RB20DE / RB20DET / RB25DE · RB20DET / RB25DE · RB25DE / RB25DET · RB20DE NEO / RB25DE NEO / RB25DET NEO
- Layout
- 6-cylinder, RWD
You have 2 plug-in ECU options for the Nissan Laurel / Cefiro from Link, 2 of them direct plug-in. The cheapest complete setup is Link at US$2,195 including the ECU. 55 wire-in ECUs can also run its 6-cylinder engine with a custom loom, from US$275.
Prices checked and include the ECU.
Your options for this car
New to this? Three ways to fit an aftermarket ECU explains each one in five minutes.
Dedicated plug-in 2
Built for this car. Goes where the factory ECU was and plugs straight into the factory loom.
From US$2,195 →
Standalone + adapter harness 0
A general-purpose ECU with an off-the-shelf harness that joins it to the factory ECU plug.
None listed for this car.
Wire-in ECU 55
Any ECU with the right features, on a new or rewired loom. Best for race cars, swaps and big changes from factory.
From US$275 plus loom →
Reflash
Keep the factory ECU and rewrite its tune. Usually the cheapest, keeps every factory feature, but limited to what the factory hardware can control.
Reflash options for this car are still being checked.
Plug-in ECUs for the Nissan Laurel / Cefiro
2 options, cheapest first. Each one links to its full specs and sellers.
NGTTX Plug-In ECU (Nissan Skyline GT-T R34 RB25DET NEO)
Grey NEO ECU header; no 4WD (ATTESA) output signal; factory TCS disabled; E-throttle needs modification
NGTRX Plug-In ECU (Nissan GT-R, E-Throttle)
RB20DET: injectors 4 & 6 need swapping; Blue ECU header (non-NEO); manual (auto: contact reseller); onboard MAP; E-throttle needs expansion connector; CANJST4 cable for CAN Blue ECU header (non-NEO); manual (auto: contact reseller); onboard MAP; E-throttle needs expansion connector; CANJST4 cable for CAN
No plug-in is listed for that chassis and year. A wire-in ECU below will still fit with a custom loom.
Wire-in ECUs that can run this engine
Cheapest current unit from each brand with at least 6 injector and ignition outputs, so it runs fully sequential.








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Shops with their own dyno that tune the brands above.
About the makers: Link