The purpose of this website is to provide a responsive, secure environment within which Navistar and the Supply Chain can partner in innovation to achieve world-class material, cost, quality, and delivery performance.

We are dedicated to continuously improving this site.  If you have comments, questions, or suggestions, please let us know by emailing us at  navistarsupplier@navistar.com.

For iSupplierPortal technical support and questions, email suppliersupport@navistar.com.

For Logistics questions or information, click here and you will be directed to the Navistar Logistics Routing Guide.

For Navistar Defense supplier information, see www.navistardefense.com/supplier.

For Supplier Scorecard questions or information, email EnterpriseScorecard@navistar.com or 331-332-SCOR(7267).

For Supplier Quality questions or information, email ISQ@navistar.com.  Learning modules are also available at www.navistarsuppliertraining.com.