VDO Gauges 323421 Temperature Sender 250°F 3/8"-18 NPT

VDO Gauges

<h3>About VDO Gauges</h3><p><strong>VDO</strong> is one of the most storied names in vehicle instrumentation, with roots stretching back to 1929. <a href="/735-vdo-gauges">VDO</a> was born from the merger of two German speedometer manufacturers — DEUTA and OTA — in Frankfurt am Main, and quickly became a household name among drivers worldwide. The brand's widespread recognition grew alongside the iconic VW Beetle, whose speedometer bore the VDO trademark starting in the late 1930s. Today, VDO is a trademark of the Continental Corporation, bringing the resources of one of the world's largest automotive suppliers to bear on every product it makes.</p><h3>A Legacy of Quality and Precision</h3><p>For nearly a century, VDO has been engineering instruments that meet or exceed the standards set by vehicle manufacturers. Their aftermarket replacement parts are built to the same specifications as factory-fitted components, offering drivers and technicians a level of confidence rarely found in the aftermarket space. VDO manufactures its sensors in ISO- and TSO-registered facilities, using the same engineering processes and quality materials as its original equipment products.</p><p>VDO's catalog spans both passenger cars and commercial vehicles, covering everything from <a href="/735-vdo-gauges-gauges-200483">gauges</a> — including tachometers, speedometers, oil pressure, and temperature instruments — to sophisticated electronic sensors for modern engine management systems. The brand also has a deep heritage in the marine world, having supplied instrumentation for pleasure boats, yachts, and sailing vessels since 1958.</p><h3>Instrumentation for Every Application</h3><p>One of VDO's most exciting product segments is its multi-function display systems, which consolidate critical engine and vessel data into a single, easy-to-read interface. These displays represent the evolution of VDO's traditional analog expertise into the digital age, supporting protocols like NMEA 2000® for seamless integration with modern marine electronics.</p><p>On the sender and sensor side, VDO offers a comprehensive ecosystem of parts designed to work in harmony with their gauges. Their <a href="/735-vdo-gauges-boost-pressure-sender-20126">boost pressure senders</a> are a go-to choice for turbocharged vehicle owners who need accurate real-time boost readings, while <a href="/735-vdo-gauges-fuel-level-sensor-10729">fuel level sensors</a> provide reliable tank monitoring across automotive and marine platforms. VDO's engine management portfolio also includes <a href="/735-vdo-gauges-mass-air-flow-sensor-5128">mass air flow sensors</a> engineered to deliver precise air-volume data critical for optimal fuel delivery and emissions control.</p><h3>Why Choose VDO?</h3><ul style="list-style:disc"><li>Nearly 100 years of instrumentation expertise dating back to 1929</li><li>Products manufactured to OE-equivalent quality standards in certified facilities</li><li>Broad compatibility across cars, trucks, commercial vehicles, and marine applications</li><li>A complete ecosystem of matched gauges, senders, and sensors for consistent, accurate readings</li><li>Backed by the engineering resources of the Continental Corporation</li></ul><p>Whether you&apos;re restoring a classic, upgrading a performance build, or replacing a worn sensor on a daily driver, VDO delivers the precision and durability that professionals and enthusiasts have relied on for generations.</p>