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​​Consistent with its commitment to contribute to a cleaner, healthier and safer environment, Cummins Inc. has identified substances that are restricted or prohibited from our products. Consequently, suppliers must be aware of and adhere to these standards for materials or components supplied to Cummins.

Suppliers who provide any product or service to Cummins, Inc. are wholly responsible for the end product provided to Cummins irrespective of how many sub-suppliers (Tier 2, 3 etc.) may be in the supply chain. The end product supplied includes partially or fully finished assemblies, components, packaging, chemicals and consumable processing substances. This further applies to all suppliers and joint ventures producing Cummins branded products.

It is the responsibility of the supplier to verify that the substances listed in CES 10903 are not in any products or materials supplied to Cummins per the referenced threshold. To view more details, please print the Cummins Engineering Standard 10903.

For questions to purchasing, please contact supplier.compliance@cummins.com. Please do not send solicitations for business to this contact.  ​

Prohibited Substances