Chad McQueenwho played the Dutch role in the ‘Karate Kid’ film series, has died … TMZ has learned.

Chad died Wednesday at his ranch in Palm Desert, California, due to organ failure … according to his longtime attorney, Arthur Barens.

We were told that a few years ago he suffered an injury that led to progressive organ failure and ultimately his death.

Chad was with his children, his partner, and his attorney when he died.

Steve McQueenChad, the only son of, is best known as Dutch in the 1984 hit “The Karate Kid” … and he reprised that role in the 1986 sequel “The Karate Kid II.”

Chad is also known for his starring role in the 1993 film “Firepower”.

Despite rumors, Chad has not reprised his role as ‘Karate Kid’ in the final season of ‘Cobra Kai,’ his attorney tells TMZ.

Outside of Hollywood, Chad was a professional racer… competing in a variety of races including the Baja 1000 and Motocross. He won the World Mini Grand Prix when he was just 12 years old.

When Steve filmed the 1971 racing movie “Le Mans”, Chad sat on his father’s lap behind the wheel of a Porsche 917… reaching speeds of 100 mph!!!

Chad was only 10 years old at the time and was already racing on a go-kart track especially for children, which had been set up on the Le Mans film set.

His attorney remembers him as “a unique person who will be missed.”

Chad turned 63.