Abdul El-Sayed proved that a progressive can win a statewide Democratic primary in one of the nation’s biggest battlegrounds. But his narrower-than-expected victory also underscores that his most significant challenge begins now — building the coalition he’ll need to win in November.

El-Sayed undoubtedly energized progressives, younger voters and many Arab American voters with an economic message centered on affordability, healthcare and reducing corporate influence in politics. And that was enough to overcome tens of millions of dollars in outside spending and defeat establishment-backed Rep. Haley Stevens.

The demands of the general election are different, requiring a broader coalition than one that wins a Democratic primary. 

It’s a reality El-Sayed appeared to recognize in his victory remarks Wednesday. He  praised his former rival Stevens as “one of the most committed public servants” and said their differences “pale in comparison to what unifies us.”

His message needs to reach beyond the voters who nominated him to those skeptical of him, if he wants to defeat Republican Mike Rogers in November.

“If you supported me or you did not support me, if you voted for Vice President Harris in 2024, or you voted for Donald Trump … I hope that you’ll join this movement now,” he said, framing affordability, housing and healthcare as concerns that transcend party labels.

That call for unity was echoed by retiring Sen. Gary Peters, who endorsed Stevens during the primary. He told ABC News that Democrats “have to win Michigan” if they hope to reclaim the Senate majority.

“Whatever differences existed between Haley Stevens and Abdul, those are very small compared to the differences between Abdul and Mike Rogers,” Peters said.

Stevens said she was “proud” to offer her support to El-Sayed, “and prouder to continue to work together to make sure this Senate seat remains blue, that we flip the United States Senate and continue the work for Michigan.”

El-Sayed will have to bring Stevens supporters back into the fold, maintain enthusiasm among Arab American voters and young progressives, continue to build support among Black voters and appeal to independents and even disaffected Republicans — a tall order. 

Michigan Democrats spent months engaged in one of the party’s most contentious  primaries of the cycle. The challenge now is convincing voters that those divisions belong in the past.

As El-Sayed put it Wednesday morning, “There is so much more that unites us now” than divided Democrats during the primary.

The primary answered one question — who Democrats wanted as their nominee. The next three months will determine whether El-Sayed can transform a winning primary coalition into one that can hold a critical Senate seat in one of the country’s most competitive swing states.