Since 1905, Stewart Warner® has been a trusted name for aftermarket automotive instrumentation devices. The industry standard for classic gauge design of heavy duty vehicles in over half a century, Stewart Warner gauges combine a distinctive style with a durable construction that includes a fully sealed gauge motor and bobbin assembly. The gauges are available in various configurations, including tachometers, speedometers, and hourmeters, that are compatible with antique, classic, and modern vehicles. The company also offers a "one-stop-shop" for sensors, senders, switches, lighting, as well as related accessories. Stewart Warner products are configured for easy installation and are rated for use in various applications, including marine, transportation, and emergency response vehicles.