本SAE推荐规程适用于汽车和轻型卡车发动机冷却系统中使用的发动机冷却液浓缩液、丙二醇基。本文件适用于符合铝兼容要求的发动机冷却液浓缩液。关于重型柴油发动机冷却系统中使用的冷却液，请参考SAE J1941和J2307草案。有关发动机冷却液的更多信息，请参阅SAE J814和J1034。

This SAE Recommended Practice applies to engine coolant concentrate, propylene glycol base, for use in automotive and light truck engine cooling systems.This document applies to engine coolant concentrates for aluminum compatible requirements. Please refer to SAE J1941 and J2307 DRAFT for coolants used in heavy-duty diesel engine cooling systems.For further information on engine coolants, see SAE J814 and J1034.