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1

Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statements No.

333

-

105819, No. 333

-

107143, No.

333

-

136123, and

No. 333

-

174349 on Forms S

-

8 and Registration Statement No. 333

-

221561 on Form S

-

3 of Core Molding Technologies, Inc. of our

report dated March

13, 2020, relating to the consolidated financial statements and Schedule II and effectiveness of internal control

over financial reporting, appearing in this Annual Report on Form 10

-

K.

/s/ Crowe LLP

Columbus, Ohio

March

11, 2021