HARVEST KING DEX/MERC AUTOMATIC TRANSMISSION FLUID – is manufactured from highly refined base stocks and compounded with modern additive technology for use in older Ford and General Motors vehicles, as well as many foreign vehicles, requiring DEXRON-III or MERCON. Recommended for use in 2005 and earlier GM automatic transmissions. Not for use where DEXRON-VI is required. Recommended for 1981 and later Fords (except those requiring Type F, MERCON V, MERCON SP or MERCON LV).