DIRECT REPLACEMENT — This aftermarket ballast is compatible and a direct replacement for your existing part. Designed to meet or exceed specifications. Plug-and-play installation with no need to program or code the car. Fits either the left or right headlight. WILL THIS FIX MY HEADLIGHT? — To properly diagnose your headlight fault, try moving the ballast from your working side to the non-working side. If the headlight begins to work, this replacement ballast will fix the problem. If the problem persists, a different component is causing the fault (most likely the bulb or wiring). Direct Fit Application— DDLT004/KDLS001 xenon HID ballast headlight fit for 2014-2015 Subaru Forester; fit for 2015 Subaru Legacy; fit for 2011-2014 Toyota Avalon , Sienna; fit for 2003-2008 Toyota Avensis; fit for 2011-2014 Toyota Land Cruiser; fit for 2012-2014 Toyota Prius; fit for 2013-2014 Toyota Venza Interchange Part Number— 85967-45010 / 8596745010, 85967-45020 / 8596745020, 85967-22080 / 8596722080, 81107-60F10 / 8110760F10, 81107-75020 / 8110775020, 85967-08020 / 8596708020, DDLT004, KDLS001 Easy Installation — Engineered to stringent OE specifications, it is sure to exact installation and function the same or even better than the Original part. Plug-and-play with no need to program or code the car. NOTICE: Warranty: 18 Months; Please be sure to verify the Year/Make/Model information properly before purchasing this product. Please feel free to contact us if any problem.