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Exhibit 23.4

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the reference to our firm under the caption "Experts" in the Registration Statement (Form S-4) of Delek US Holdings, Inc. and to the incorporation by reference therein of our reports dated February 27, 2017, with respect to the consolidated financial statements and schedule of Delek US Holdings, Inc., and the effectiveness of internal control over financial reporting of Delek US Holdings, Inc., included in its Annual Report (Form 10-K) for the year ended December 31, 2016, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

Nashville, Tennessee

January 4, 2018

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Exhibit 23.4

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM