TRACY, Calif. — A 20-year-old Marine from Tracy died when a car filled with explosives blew up in Iraq’s Anbar province.

Brandon Dewey had survived a previous suicide bomber in 2004, only to die in a similar attack on Friday, his family said.

Before leaving for his second tour, Dewey told his parents not to grieve too much if he were to die in Iraq because he always wanted to be a Marine and believed in what he was doing.

“He told his sister that’s what he was made for,” said Dewey’s mother, Julia Conover, on Monday.

Flowers and food from well-wishers filled the family’s home, where a table was heaping with pictures of Dewey — at prom, with family, hanging out with friends.

Dewey was the fifth service member from this town of about 77,000 to die in the Iraq war.

“Tracy has paid the price,” said Dewey’s stepfather, Scott Conover, shaking...