The Kenworth Turn Signal Switch is a direct replacement for OEM# K301D230 and 18500D044. It features a built-in push button high/low beam selector switch and can accommodate up to 16 bulbs for hazard warning and 8 bulbs per side for turn signal flashing. This 12V standard switch comes with an 8 wire harness and is sold individually. It is practical and easy to install, making it an ideal choice for most Kenworth truck applications.