O'Reilly Auto Parts, the automotive replacement parts retailer headquartered in Springfield, Missouri, has been named the title sponsor of NASCAR's secondary series, currently known as the NASCAR Xfinity Series, as part of a multi-year agreement.

The multi-dimensional sponsorship also includes promotional opportunities and brand integrations in partnership with The CW Network, the exclusive broadcast home of the NASCAR O'Reilly Auto Parts Series.

The NASCAR O'Reilly Auto Parts Series will officially debut on January 1, 2026, and marks the fourth entitlement sponsorship in the series' history. The company has previously supported the sanctioning body through race sponsorships across multiple series.

For more information, visit nascar.com.