Part #: 1037123-00-A Manufacturer: Tesla Motors Inc. - Fremont, CA Vehicle Compatibility: 2012-2016 Tesla Model S RWD + Dual Motor models Model S 85, Model S P85+, Model S 90 Model S 70D, Model S 85D, Model S 90D etc. Notes: This is the iBooster Electromechanical Brake Booster for the Autopilot models of the Tesla Model S RWD + Dual Motor vehicles Fully functional, tested and working wonderfully (as pictured) ready to go into your Tesla! Replace that broken, or malfunctioning iBooster. This part is required for an Autopilot conversion. Great condition used part, donor car was 2013 Model S P85, iBooster comes as shown in photos Buyer is responsible for checking part #s and images for compatibility before purchase Positive feedback is encouraged, if there is any issue, please contact before leaving negative feedback Please ask any questions you may have, I am more than happy to assist in any way I can Wear: All wear is shown in photos