For sale is a 1993 3sgte ECU from a JDM ST185. Part number 175031-4820 pulled from the circuit board as the sticker is illegible. It can be used on most Gen2 3sgte motors but may require you to change pins around to accommodate your wiring harness. The pinout codes are on the motherboard for reference and accessible by removing the 4 screws on the lid. This ECU has been tested working.Due to faulty car wiring and inexperienced mechanics damaging tested good ECUs, there is absolutely no return or warranty on this item.