<b>The cab marker lights are firs for:</b><br> 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Ford F-150 F-250 F-350 F-450 F-550 F-650 F-750 E-150 E-250 E-350 E-450 Super Duty Pickup Trucks.<br><br> <b>Specifications</b><br> Color: Smoke Lens Amber LED<br> LED Type: 9 LED Built-in SMD High Power<br> Base size: 3.95" x 2.8" (LxW); Hole to hole distance: 1.7"<br> Part Number: 264142BK, 264142CL, 264142AM.<br> DOT approved.<br> Covers are made of high quality ABS plastic, won't fade from exposure<br> Direct replacement for OEM factory stock cab marker covers. Perfect fit No leakage. <br> Faster on/off response time and vibration resistant.<br> High performance LED, long lifespan, superior illumination stability.<br><br><b>Installation:</b><br>Come with T10 plug, convenient for modifying & rewiring.<br> Super Easy to Wire: If yours are wires instead of sockets,cut the plug and wire. White to Ground and Black to Positive.<br>Instruction is not included<br><br> <b>Package included: </b><br> 5 x Cover with Base Housing，5 x Built-in LED Bulb<br><br> <b>Warranty: </b><br> 2 YEARS WARRANTY. Please contact us through the Amazon Messaging System. We'll offer return/refund/exchanges