Navistar Supplier
Integrated Supplier Quality

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Welcome to the Supplier Quality Documents page

Quality expectations for Navistar suppliers include:

  • Achievement of stated quality requirements.
  • Rapid response to quality issues and containment within 24 hours.
  • Robust problem solving and resolution.
  • Commitment to Navistar Change Management policy.
  • On-time delivery to meet schedule requirements.
  • Continuous improvement in product, process, and service.
  • Use of Advanced Product Quality Planning (APQP) process for new products, or changes to existing products.

Supplier Quality Documents:

Navistar suppliers are expected to use the documents listed herein effective November 1, 2012 and previous versions of Navistar documents must be discontinued.  All questions regarding the content can be directed to ISQ@navistar.com.

Learning Modules:

Learning modules for the Navistar Supplier Quality Requirements are available at Navistar’s Suppliers Training.  Reference the Accessing the Supplier Quality Training Portal document in the below document list.  Navistar suppliers are expected to review the training modules.  These learning modules are available for all suppliers free of charge.

Ship Holds:

All Suppliers who have a ship hold incident may be automatically placed on Navistar’s Quality Top Focus (QTF) performance status requiring a deep dive into product and process controls, and a mandatory pass thru characteristic (PTC) workshop held at the offending supplier location.

DocumentNumberDocumentNameRevPublication
  Return Material Authorization Communication  February 3, 2014
ISQ-001-QM Navistar Supplier Quality Requirements JOctober 15, 2021
ISQ-002-FOPhased PSW Form KJune 16, 2022
ISQ-003-FO SREA - Supplier Request for Engineering Approval with ChecklistIJune 03, 2022
ISQ-005-FO Navistar APQP Workbook DFebruary 21, 2022
ISQ-006-FO DCPA - Dynamic Control Plan AuditDJuly 30, 2020
ISQ-007-FO Vehicle Material Deviation Form AMarch 18, 2013
ISQ-008-FO Run at Rate FormAMarch 13, 2013
ISQ-010-FO Capacity Verification FormCMarch 13, 2014
ISQ-011-FO Design Verification Plan and Report TemplateBOctober 15, 2020
ISQ-014-FO Supplier Quotation Feasibility Commitment Form ANovember 1, 2013
ISQ-016-FO Tier Pass-Through Assessment and Weak Detection Matrix COctober 15, 2020
ISQ -018-FO Navistar Shutdown Startup Process Questions AMay 4, 2015
NA Accessing the Supplier Quality Training Portal 1.0April 22, 2022
ISQ-011-PR Restricted Substance Reporting Procedures BSeptember 28, 2018
MPAPS B-50 Materials, Parts, and Process Specifications 20-04April, 2020
ISQ-005-A-FO Sub Supplier Program Status Matrix AMarch 24, 2021

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