The Peterbilt 389 Gauges & Switches product line provides a wide range of essential components to monitor and control your truck. From tachometers and speedometers to coolant and oil pressure gauges, this line offers everything to upgrade or replace parts. It also includes toggle and rocker switches to manage electrical systems. Many products feature durable, chrome-plated bezels, ensuring a premium look that complements the Peterbilt 389?s classic style. Trusted brands like Isspro, Informer, and Teltek provide reliable performance, enhancing visibility and control on the road. Upgrade your Peterbilt 389 today for optimal functionality and peace of mind.