Engine control unit from a 1988 Nissan D21. This was carefully removed from a vehicle that ran well with no check engine light on. The connectors have no damage. The case has some wear from use, but this does not affect its normal function. The circuit board has been inspected and no damage was found. The images are of the actual item you will receive.Fits 1988 Nissan D21 with 2.4L engine, manual transmission, four-wheel drive and part number MECS-G340 D4 ONLY. The last four characters on the part label do NOT need to match.