This listing is for a rebuilt ECM - Engine Conrol Module for a 1993 Lexus LS400 with a 4.0L V8 Gas motor. When you receive your part it will be ready to install and run your vechicle. We will use the information that you supply below to send you the correct part for your vehicle, if you are unsure of any information please leave the field blank and we will call or e-mail you as soon as possible. If you have any questions, feel free to give us a call or send us an e-mail. All of our contact info can be found by clicking the Contact Us link at the top of this page. Thank you for visiting our site, we will be looking forward to doing business with you!