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Consistent with its commitment to contribute to a cleaner, healthier, 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.

Materials provided by suppliers may include partially or fully finished assemblies, components, packaging, chemicals and consumable processing materials. It is the responsibility of the supplier to verify that the substances listed are not in any products or materials supplied to Cummins per the referenced threshold. To view more details, please print the attached Suppliers Guide on 11 x 14 inch or A4 paper.

Cummins Suppliers Guide: Prohibited and Restricted Substances (PDF)

Suppliers may also be asked to provide documentation of their compliance, including PPAP, IMDS verification or Material Safety Data Sheets (MSDS). Suppliers shall provide a Material Safety Data Sheet (MSDS) that includes disclosure of the product's chemical and physical properties in a level of detail necessary to effectively protect our employees and the environment, as well as to support our efforts to comply with all applicable regulations and customer requirements.

Cummins also provides comprehensive Material Safety Data Sheets (MSDS) for our customer's convenience.

For questions on the technical specifications, please contact For questions to purchasing, please contact Please do not send solicitations for business to either of these contacts.

Prohibited Substances