The Western Star Turn Signal is a reliable and practical replacement for OEM# 84401-3431. Designed with 12V standard and protected control switch wire leads, it ensures a hassle-free installation with factory-matched connectors for plug-and-play replacement. This turn signal is suitable for multiple Western Star truck applications, making it a versatile and convenient choice. With its direct replacement feature, it guarantees a seamless and efficient operation. Trust the Western Star Turn Signal for its quality and compatibility, providing a reliable solution for your truck's signaling needs.