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 full for lab tested ip67 waterproof microswitch with directly from japan. microswitch harness will last 5-6 more cycles then the old for designed ones. Item Type: Door Handle Upgrade Repair Kit Manufacturer Part Number: 1042845-00-E Interchange Part Number: 1016009-00-A Car Model: For Model S 2012-2020 comes with 1 upgraded reinforced 304 stainless steel paddle gear 1042845-00-A/1042845-00-B comes with 1 upgraded reinforced microswitch harness 1016009-00-C comes with 8 interior door panel clips comes with 4 clips to hold the water comes with 1 clip to hold the shaft color:Black Material:plastic Package Contents: 1 x Door handle upgrade repair kit Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.