Rep. Joe Crowley helped push through $10 million in funding for a Bronx merchants association that was represented by his brother’s lobbying firm, The Post has learned.

The federal infrastructure money, which Crowley (D-Queens) and Rep. José Serrano (D-Bronx) led the effort to secure, came just months after Crowley’s brother, Sean, lobbied the House and the US Department of Trans­portation on behalf of the Hunts Point Terminal Produce Cooperative, records show.

The merchant co-op, which was awarded the federal funding in August 2013, has shelled out at least $827,000 to the lobbying firm Davidoff, Hutcher and Citron since 2009, federal and state records show.

Sean Crowley is a partner at the firm and has worked there since 2006.

“Everything about this reeks of a conflict of interest,” said Ken Boehm, chairman of the National Legal and Policy Center. “The congressman was not elected to help his brother’s lobbying firm — he was elected to represent his constituents.”

The money was contingent on the cooperative signing a new lease to stay in The Bronx instead of leaving for New Jersey.

Crowley, whose Queens-Bronx district once included part of Hunts Point, has also benefitted from his relationship his brother’s firm.

Over the years, his campaign, PACs and the Queens Democratic Party he controls have received more than $70,000 in campaign donations from Davidoff, its employees and interests connected to the Hunts Point Terminal.

“Keeping and creating jobs in The Bronx is one of Congressman Crowley’s top priorities, but as much as he would like to take credit for the revitalization of Hunts Point Market, it was the result of elected officials at every level of government lending their support,” said Crowley spokeswoman Courtney Backemeyer.