When upgrading the stock halogen / incandescent lamps to led lighting bulbs, the bulb size guide will be much helpful, below are the bulb size guide for 2004 ~ 2014 Acura TSX; yet it is for reference only, it is suggested to check the owner manual to confirm the bulb size guide is correct before purchasing.
- High Beam Headlight for 2004~2008 Acura TSX: H1; for 2009~ 2014 Acura TSX: 9005; for 2015~2017 Acura RDX: LED
- Low Beam headlamp for 2004~2014 Acura TSX: D2S; for 2015~2017 Acura RDX: LED
- Fog light for 2004~2014 Acura TSX: H11; for 2015~2017 Acura TSX: LED
- Front turn signal light ( blinker light ) for 2009 ~ 2014 Acura TSX: 1157A / 1157NA ;for 2004 ~ 2008 Acura TSX: 7440; for 2015~2017 Acura RDX: LED
- Rear turn signal light ( blinker light ): 7440 / 7440A / 7440NA
- Brake Light for 2007~2015 Acura RDX : 7443 / 7443-SCK ; for 2016~2017 Acura RDX: LED
- Outer Tail light: for 2007~2015 Acura RDX : 7443 / 7443-SCK ; Inner tail light for 2007~2015 Acura RDX: 168
- Back-up reverse light : 7440
- License plate light / Tag light: 168
- Interior Dome Light : DE3175
- Interior Map light : DE3175
- 3rd Brake light/ Center high mount stop light lamp: 7440
- Interior door light : 194
- Vanity mirror light : 6615F
Vehicle years cover: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Acura TSX
