[HID Headlight Ballast Replacement] Also known as the headlight control unit, a crucial part of the HID lighting system, provides the voltage needed to start the lamp and regulates the electrical current of the light once it is turned on. A faulty ballast will burn out your bulb. for tsx ballast is a perfect solution for your 2006 2007 2008 2009 2010 2011 2012 2013 2014 TL Type S TSX ZDX CSX ILX Accord -V -Z Elysion Fit FR-V Jazz Mobilio Spike;[The tsx ballast fits the following vehicle] W3T19371 ballast fits for 2006-2014 TL TL-S, 2006-2014 TSX, 2012-2014 ILX, 2010-2013 ZDX, 2013-2014 , 2010-2013 , 2009-2011 CSX, 2011-2013 -Z, 2004-2014 , 2012-2014 -5, 2007-2012 -9, 2007-2009 3, 2009-2012 5 , Lander Out 2007-2009, 2008-2012;[HID Xenon Headlight Ballast Part Number W3T19371] 33119--H01, 33119-SAA-013, 33119-TA0-003; Interchange Part Number: 33119-STK-A01, W3T19371, W3T16271, W3T20671, W3T20971, W3T13072, W3T13071, W3T15971, W3T15671, W3T18671 [Premium Quality] Made of premium aluminum