Yes.
Before Korea, South Africa also fought against the nazi's during WW1 and WW2. Mostly Afrikaner soldiers. (The white minority) Black South African soldiers of all tribes (Zulu's, Xhosa etc.) also served in all three wars, but not in combat roles. (Support units)
north and the south
The nations that were involved in the Korean war were the US who aided south Korea and the soviet union, who aided north Korea.
South Korea, US vs North Korea, USSR, China
they were involved by sending troops to help south Korea fight north Korea.
U.S. was involved in the Korean war for three years.
South Africa played key rolls in WW1 WW2 and even Korea. The latest war it had was the South African Border War or the Namibian Independence war
The US reinforced the South Koreans and fought northward into North Korea.
North Korea, South Korea, United States, and the USSR
Ecuador was not involved.
Nothing, they were never involved in any allies' that were at war.
Korean War
No, South Africa had little, if any, role during the Korean War. The war was primarily the United States, England, and France backing South Korea. While Russia and China were backing North Korea.