What is this item? This item is one Denso ECU for 1992, 1993, and 1994 (build date 1/94) SC400 with Federal Emissions. Part number 89661-24231 or 89661-24230.  Both part numbers interchange. Tested working condition IN A VEHICLE and fully rebuilt in-house by us.  Don't take a risk with untested, used ECU's on Ebay.  Buy with confidence.  Brackets are NOT always included. Sometimes we receive cores back without brackets. Please remove and re-use your original brackets if you receive an ECU with one or both brackets. Sending an ECU back without brackets as a core will not affect core value.

Core? We buy your old core! We will pay up to $100 based on overall condition of internal components.  Contact us for more information!  Just send the old one back in the same box.