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The 2004 Pacific Rim Championship and the 2004 Pacific Cup was the 9th Pacific Cup, a rugby league tournament held between Pacific teams. The tournament was hosted in Auckland and for the first time split into two competitions; The Pacific Rim Championship between national teams and the Pacific Cup between Auckland-based selections. In the final of the Pacific Rim competition the Cook Islands defeated New Zealand Māori 46-6 while Samoa XIII defeated Tonga XIII 52–18 to win the Pacific Cup.
The teams that participated in the 2004 Pacific Rim competition were: Tonga, Fiji, New Zealand Māori, Niue, Samoa and the Cook Islands. The Pacific Cup included Auckland Māori, New Caledonia, Samoa XIII, Tonga XIII and two other teams.
The official opening was held as part of the pre-match programme for the Tri-Nations test match between Australia and the New Zealand Kiwis on 16 October. A colourful parade of flags representing the participating countries was led into the stadium in front of about 20,000 spectators before kick-off.
The Pacific Rim competition featured international and New Zealand based players while the Pacific Cup squads were limited to Auckland-based players with the exception of New Caledonia who sent a development squad.