The Link VR4X (Mitsubishi VR4 4G63T) is a mid-range plug-in engine control unit (ECU) from Link ECU. It has 6 injector and 4 ignition outputs. List price is US$1,495. 2 sellers list it from US$1,276 to US$1,495.
Prices checked . Specs from Link ECU's published data.


Key specs
DBW = drive-by-wire throttle channels · λ wideband = onboard wideband lambda (oxygen sensor) inputs · CAN = controller area network buses.
Features
- ✕Drive-by-wire
- ✕Onboard wideband
- ✕Knock control
- ✓Flex fuel
- ✓Traction control
- ✓Launch control
- ✓Boost control
- ✓Gearbox control
- ✓Onboard logging
- ?Ethernet
- ?USB
- ✕Built-in display
✓ published · ✕ not offered · ? not published. Some features, like traction control and launch control, mean different things by brand. See the glossary.
Details
- Highlights
- Fits: Mitsubishi Galant VR-4 E38A with 4G63T engine from 1987-1992., Mitsubishi Galant VR-4 E39A with 4G63T engine from 1987-1992., Mitsubishi Eclipse G1 GS-T with 4G63T engine., Eagle Talon 1G DSM with 4G63T engine., Plymouth Laser RS Turbo with 4G63T engine. This ECU works for manual transmissions only. This model includes an onboard MAP sensor. Knock control not available on this ECU. Most factory features are supported. This ECU will need a modification before E-Throttle is usable.
- Part number
- 223-4000
- Software
- PCLink (free)
- Logging
- 512MB onboard
- Links
- Product page ↗Price source ↗
- Fits
- Eagle Talon · Mitsubishi Eclipse · Mitsubishi Galant VR-4 · Plymouth Laser RS Turbo
- Tuning
- Find a Link ECU tuner with a dyno
- Maker
- Link ECU: history, software and every model
Where to buy the VR4X (Mitsubishi VR4 4G63T)
2 sellers found
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Prices as shown on each seller's site on , in their own currency, converted at 14 Oct 2026 rates. Shipping, import duty and tax vary. Check with the seller before you buy.




