Part #: 1058539-00- A Manufacturer: Tesla Motors Inc. - Fremont, CA Vehicle Compatibility: 2016-2017 Tesla Model S Dual Motor + Air Suspension models Model S 70D, Model S 85D, Model S 90D Notes: This is the Driver Side Left Rear Spindle Knuckle for the Tesla Model S Dual Motor vehicles Good used condition part, donor car was 2014 Model S P85 with 23k miles, Arm comes as shown in photos, ball joint and bushing is in good shape **For use in ESP2.0, iBoost/ Driver's Assist, Dual Motor vehicles with air suspension. Must use with 1037795-00-C (iboost ABS/Speed sensor). Must match pedigree of opposite side (1058540-00- A).** 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