The Kenworth 2006 and Newer Rear Drive Axle Temp Gauges are essential for monitoring the temperature of your rear drive axle. The red color with a black bezel makes them easy to read and adds a sleek look to your dashboard. These gauges are a practical and necessary tool for ensuring the proper functioning and maintenance of your vehicle's rear drive axle. With their easy-to-read design, you can quickly and accurately monitor the temperature, allowing for timely adjustments and maintenance to prevent potential issues.