Has a FIBA World Cup game ever ended 43-37?
Yes. FIBA World Cup has seen a final score of 43-37 2 times. It first happened on October 22, 1950, when Egypt beat Ecuador, and most recently on October 27, 1950, when Peru beat Spain.
That makes 43-37 the 77th most common final score out of 863 that have ever occurred in FIBA World Cup. One point away, 44-37 has happened never and 43-38 has happened never.