Got the valves that operate the 3 point lift arms disassembled. I need new o-rings everywhere. What would be the best o-ring to reinstall on this high pressure system, nitrile or viton? Usually viton rings are brown and nitrile rings are black, but the one I took out are black and I know some vitons are black in color. So it makes me wonder. Viton rings are more suitable in colder climates and are more tear resistant. Is there a better o-ring out there I should be using? FYI.. the parts manual is silent on the matter.
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