One of the common failures of the for Model S is that the door handle cannot be retracted.this kit comes with the most widely broken and lost parts you will need to rebuild your door handle with upgraded parts.The wires on the harness is reinforced and has a better upgraded design to reduce stress to the wires on the microswitch while keeping full for factory lab tested ip67 waterproof microswitch with directly from japan. our microswitch harness will last 5-6 times more cycles longer then the old for designed ones.Item Type: Door Handle Upgrade Repair KitManufacturer Part Number: 1042845-00-EInterchange Part Number: 1016009-00-ACar Model: For Model S 2012-2020comes with 1 upgraded reinforced 304 stainless steel paddle gear 1042845-00-A/1042845-00-Bcomes with 1 upgraded reinforced microswitch harness 1016009-00-Ccomes with 8 interior door panel clipscomes with 4 clips to hold the water barriercomes with 1 clip to hold the shaftcolor:BlackMaterial:plasticPackage Contents:1 x Door handle upgrade repair kitOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.