Partsam 4Pcs LED Fender Bed Side Marker Lights Set Replacement for Sierra and Silverado Dually 2500 3500 HD Dual Wheeler Trucks 1999-2013 w/ T10 Plug (2X Amber + 2X Red)

4 pieces (2 pieces with Amber LED lights for front and 2 pieces with Red LED lights for rear); Powered by 3 pieces super bright Flux LED lights inside. Come with 168 194 T10 plugs and double sided tape for easy installation; Replace Part # 264133BK; Note: if yours does not come with the plugs, please just cut off the plugs for wiring;. Fits Silverado or Sierra 2500 3500 HD with existing amber/red lens side markers, but this product will also fit any other truck with some mods and wiring required. For 2001-2007 Sierra 3500 / 2008-2012 Sierra 3500HD Side Marker Fender Marker Lamps; For 2001-2007 Silverado 3500 / 2007-2012 Silverado 3500HD Side/Fender Marker Lamps. Dimension: about 81.0 x 38.5 x 19.5mm ; NOTE: If the LED does not light up, simply flip it 180 degrees (reverse the polarity) or If the Fender Markers don't fit your stock sockets, please cut the connectors off for wiring.