Navistar is committed to providing best-in-class service for International Truck and IC Bus customers. Backed by the industry’s largest commercial dealer network, we leverage the latest diagnostic tools to deliver the highest quality of service to minimize downtime — so that your business can perform at full speed.

From routine maintenance and component rebuilds to diagnostics and DPF cleaning, we provide unprecedented uptime through our services and solutions. Our factory-trained technicians are certified to provide optimal support and expertise for all International® trucks and IC Bus™ vehicles.

With proper service, you can make the most of your vehicle and ensure that it not only works with you, but also for you — because uptime for you is top of mind for us. Learn more about our customer solutions.

Learn More About Our Additional Programs

Diagnostics

Powerful software tools that put fail-safe diagnostic information for engines, electrical systems and instrument panels at your fingertips — in both graphical and textual formats. Learn more.

Extended Warranty Contracts

Customer Overhaul Protection Program enables I-6 and V8 engine owners to purchase overhaul plans that cover in-frame overhauls, long block replacements and ReNEWed engine replacements. Learn more.