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TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
6.7L New Oil Usage Information Incorrect oil used. This bulletin provides information regarding the correct oil grade to use on the 6.7L Cummins used in the 2023 to 2013 HD Trucks. The following information is intended to eliminate confusion.

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Date Published
JUL 12, 2023
NHTSA TSB #
10242795
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