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

Learning Modules:

Learning modules for the Navistar Supplier Quality Requirements are available upon request at  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.

  Return Material Authorization Communication  February 3, 2014
ISQ-001-QM Navistar Supplier Quality Requirements KNovember 21, 2022
ISQ-002-FOPhased PSW Form KJune 16, 2022
ISQ-003-FO SREA - Supplier Request for Engineering Approval with ChecklistKFebruary 07, 2024
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 BJune 06, 2024
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 TemplateCMarch 07, 2024
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 22-05May, 2022
ISQ-005-A-FO Sub Supplier Program Status Matrix AMarch 24, 2021

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