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Welcome to the International Motors Supplier Network



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.



For notifying Navistar of data breaches, email NAVCERT@NAVISTAR.COM

Please Read : Starting on October 23rd, 2020 you will be prompted to complete Contact Method Registration. Refer: Update: Review Contact Method Registration Communication under "What's New" section dated 10.06.2020

For Procurement’s Source to Contract Portal questions or information, email S2CHelp@Navistar.com. For direct access to the Portal, click here.

For ESL questions or information, please click here

For iSupplierPortal technical support issues, email suppliersupport@navistar.com

For Logistics questions or information, call 800-323-4338 for assistance from the XPO Logistics Center, or click here for a detailed contact list.

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

For Supplier Scorecard questions or information, email EnterpriseScorecard@navistar.com.

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

For Conflict Minerals questions or information, email Conflict.Minerals@navistar.com

For Electronic Payments Migration Initiative questions or information, click here

For IMDS questions or information, email IMDS.Submissions@navistar.com

What's New
IW-001-SWR International Supplier Warranty Requirements 10.01.2024
Navistar Name Change Notification 9.25.2024
Formel Q 09.06.2024
Action Required: ePPAP Module Implementation Training for Navistar Suppliers 09.04.2024
Navistar Supplier Quality Announcement - ePPAP Module in eQ2 System Effective November 1st 8.14.2024
Commercial Vehicle Standard 10 8.14.2024
Vehicle Material Deviation Form 6.25.2024
Supplier Scorecard Communication 4.23.2024
English - Supplier Quality eQ2 Introduction letter and Administrator Request 4.10.2024
Espanol - Supplier Quality eQ2 Introduction letter and Administrator Request 4.10.2024
NISQR Rev J Announcement 10.14.2021
San Antonio Plant Information for Suppliers 09.27.2021
Counterfeit Materials and Parts Prevention 05.26.2021
Special Product Group Supplier VDA Follow-up Notification 04.27.2021
S2C Supplier Training February 2021 02.23.2021
Navistar COVID 19 2021 Shut Down Start Up Assessment EQI Announcement 01.29.2021
Update: Contact Method Registration Communication and Process 10.06.2020
S2C New Supplier Registration Video Training 09.28.2020
S2C Current Supplier Registration Video Training 09.28.2020
S2C Supplier Portal Registration Training 07.23.2020
Navistar Login Screen Changes 06.08.2020
Supplier Cost Reclamation Process FAQs 11.1.2019
Integrated Supplier Quality Director Announcement 08.13.2019
Updates to Packaging Specifications (Fleetrite and RENEWED) 06.11.2019
New menu item: Supply Chain >> NISDR policy, 5 Why process and document 05.14.2019
Proposition 65 Reminder effective April 9th 04.09.2019
Entity name change for International Parts Division Mexico effective Nov. 8th 11.1.2018
Supplier Info ESpec Special Charges and Lead Time Changes 8.13.2018
Standard Terms and Conditions (effective 2/28/2018) 2.28.2018

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