Up for sale is a new genuine OEM ECM/PCM - not a mile on it. You have to program this to install; you can use shop of course or you can install yourself literally using paper clip...google "George Melnik how to program lexus toyota ecu engine computer and keys using paper clip" on you tube. Only fits what is listed below. No miles on it! This product is no longer carried so selling cheap to rid old stock. Only fits what is listed below. No miles on it! Fits: 2000 Tundra 4x4 only, 3.4 V6 Engine only, Automatic transmissions only - number on unit must match: 89661-0C080, 89661-0C042, 89661-0C041, 89661-0C040 Comes as Shown Please contact us with any questions!! Thank you!!! INTERNATIONAL BUYERS! PLEASE NOTE! Buyers of items shipped outside the USA are responsible for customs fees/taxes/duties and may encounter delays due to customs inspections. PLEASE be aware of this!