Kriletich played for the
Marist club in the
Auckland Rugby League competition and represented
Auckland. He won the Lipscombe Cup in 1965 as the ARL's sportsman of the year and the Rothville Trophy in 1968 and 1970 as the player of the year. Kriletich made his debut for the
New Zealand national rugby league team in 1965, coming on against
Australia after
Eddie Moore suffered a broken nose. He participated in the
1968 World Cup in Australia and New Zealand and the
1970 World Cup in Great Britain. He finished his career having played 47 games for New Zealand, including 22 consecutive test matches between 1967 and 1972. Kriletich captained the Kiwis once; against Great Britain at the
1968 Rugby League World Cup. Kriletich also was part of the
Auckland sides that defeated
Australia 15–14 in 1969 and
Great Britain 11–2 in 1974. ==Later years==